Alternatives to NethServer

ClamAV® serves as the leading open-source solution for scanning at mail gateways. It features a multi-threaded scanning daemon, command-line tools for immediate file analysis, and capabilities for automatic updates of virus signatures. Supporting a wide array of file types and signature languages, ClamAV also allows for unpacking of files and archives. Users can access various compatible versions of ClamAV tailored to their operating systems. As an open-source antivirus engine, ClamAV® is designed to identify threats such as trojans, viruses, and malware across multiple environments, including email systems, web applications, and endpoint security measures. Additionally, it offers a range of tools, comprising an efficient multi-threaded daemon, a command-line scanner for user convenience, and a sophisticated mechanism for keeping its database current. The software also natively supports numerous archive formats, which encompass ZIP, RAR, Dmg, Tar, GZIP, BZIP2, OLE2, Cabinet, CHM, BinHex, SIS, and more, thereby enhancing its versatility and capability in threat detection. This extensive compatibility with different file formats makes ClamAV not only effective but also a reliable choice for various scanning needs.

Easily connect Windows® clients to your domain with Zentyal, ensuring a seamless user experience without the need for user or device CALs. This solution incorporates reliable SMTP and POP3/IMAP mail servers, utilizing well-established technologies and protocols for optimal performance. It guarantees secure Internet access while effectively managing essential network infrastructure services. Users can benefit from software updates until the end-of-life date for each version, and support is readily available when needed. Zentyal serves as an intuitive alternative to Windows Server®, featuring native compatibility with Microsoft Active Directory® for straightforward management of Windows® clients. Furthermore, it allows for flexible deployment options, enabling Zentyal to function as a mail server, domain and directory server, or a comprehensive all-in-one server solution for your organization. This adaptability makes it an excellent choice for businesses looking to enhance their network management capabilities.

Your computer, tablet, and smartphone come equipped with applications and operating systems, so why should your server be any different? HPE is revolutionizing the small business server market by providing ClearOS in conjunction with their ProLiant servers. ClearOS is an accessible, open-source operating system featuring a user-friendly graphical web interface and an application marketplace that boasts over 100 applications, with new ones continuously being added. By utilizing open-source technology, you have the autonomy to select only the applications you need while paying solely for the desired apps and their support. HPE and ClearCenter are simplifying the process for small businesses, home offices, remote workers, and branch locations to have a fully operational server right out of the box, without incurring extra costs. The combination of HPE ProLiant servers and ClearOS ensures users enjoy a straightforward, cost-effective, and secure solution. Crafting the perfect IT setup tailored to your needs has never been more straightforward or accessible. With this innovative approach, small businesses can now focus on growth rather than infrastructure.

CentOS Linux is a community-driven distribution that is built from resources made available to the public through Red Hat or CentOS repositories for Red Hat Enterprise Linux (RHEL). Its primary goal is to maintain functional compatibility with RHEL, while the CentOS Project focuses on modifying packages to eliminate any upstream vendor branding and visual elements. CentOS Linux is available at no cost and can be freely redistributed. Each version of CentOS is supported until the corresponding RHEL version reaches the end of its general support lifecycle. New versions of CentOS are released following the rebuilding of new RHEL versions, typically occurring every 6-12 months for minor updates and spanning several years for major releases. The duration of the rebuild process can range from a few weeks for minor updates to several months for significant version changes. This approach ensures that users benefit from a secure, dependable, and easily maintainable Linux environment that remains predictable and reproducible over time, fostering a strong community around its use.

Squid serves as a caching proxy for web traffic, accommodating protocols such as HTTP, HTTPS, and FTP among others. By caching commonly accessed web pages, it significantly decreases bandwidth usage and enhances response times. With its robust access control features, Squid functions effectively as a server accelerator. It is compatible with a range of operating systems, including Windows, and operates under the GNU GPL license. Many Internet service providers globally rely on Squid to optimize user web access. By streamlining the data flow between clients and servers, Squid not only boosts performance but also conserves bandwidth by storing frequently accessed content. Additionally, it has the capability to manage content requests through various routing methods, allowing for the construction of cache server hierarchies that maximize network efficiency. Numerous online platforms utilize Squid to substantially improve their content delivery processes. Ultimately, implementing Squid can lead to a notable reduction in server strain and an enhancement in the speed at which content is delivered to users. Its effectiveness in managing web traffic makes it an invaluable tool for both service providers and website owners alike.

WinGate Proxy Server serves as an efficient and versatile HTTP Proxy server, SOCKS server, and integrated Internet gateway, tailored to address the access control, security, and communication requirements of modern enterprises. With a diverse array of features, it offers flexible licensing options that can adapt to the budgets of different users, whether for a large corporation, a small business, or a residential network. This server enables the sharing of various types of Internet connections, permitting numerous users to browse the web, access email, and utilize other online applications as if they were directly online. Regardless of whether the connection is through a standard dial-up modem or a high-speed fiber line, WinGate Proxy Server enhances the overall usage of that connection. Furthermore, it is compatible with multiple Internet protocols, facilitating the functionality of applications including web browsers, messaging tools, FTP, and SSL. Overall, WinGate Proxy Server is an invaluable tool for any organization looking to streamline its internet access and improve security measures.

Mailu is a versatile and straightforward mail server offered through a collection of Docker images, designed as free and open-source software that encourages user feedback and contributions. The objective of this project is to deliver an easy-to-install and maintain mail server that is comprehensive and avoids the inclusion of proprietary tools or unrelated features that are frequently part of mainstream groupware solutions. Key functionalities of Mailu encompass: A standard email server setup supporting IMAP and IMAP+, SMTP, and Submission with automated configuration profiles for various email clients. Sophisticated email capabilities, including aliases, domain aliases, and custom routing options. Web-based access featuring multiple webmail interfaces alongside an administrative dashboard. User-centric functionalities such as aliases, auto-reply, auto-forward, and the ability to fetch accounts from other servers. Administrative features that cater to global management, making announcements, domain-specific delegation, and setting quotas. Robust security measures that enforce TLS protocols, integrate DANE and MTA-STS, utilize Let's Encrypt for certificates, provide outgoing DKIM signatures, and incorporate an anti-virus scanner alongside Snuffleupagus for enhanced protection against malware and harmful attachments. Effective anti-spam tools that include auto-learning algorithms, greylisting techniques, DMARC and SPF support, and measures to prevent email spoofing. Overall, Mailu stands out as a comprehensive solution for users seeking a reliable and secure mail server environment.

CacheGuard product line is based on a core product called CacheGuard-OS. Once installed on a bare metal or virtual machine, CacheGuard-OS transforms that machine into a powerful network appliance . The resulted appliance can then be implemented as different types of Gateways to Secure & Optimize your network. See below a brief description of all CacheGuard appliances. - Web Gateway: gain control over the Web traffic in your organization & filter unwanted Web traffic in your organization. - UTM (Unified Threat Management) : secure your networks against all kind of threats coming from the internet with a Firewall, an Antivirus at the Gateway, a VPN server and a Filtering proxy. - WAF (Web Application Firewall): block malicious requests on your critical Web applications and protect your business. The WAF integrates OWASP rules with the possibility to design your own custom rules. In addition, an IP reputation based filtering allows you to block IPs listed in real time blacklists. - WAN Optimizer : prioritize your critical network traffic, save your precious bandwidth and get High Availability for your internet access through multiple ISP.

Provide your clients with reliable, enterprise-grade email hosting alongside a range of additional services. This outstanding option caters to service providers and is adaptable for a user base ranging from thousands to millions. Attract more clients by presenting a top-tier email server solution renowned for its flexibility, seamlessly integrating with your current systems. You can oversee your email, coordinate and share calendars, and synchronize your mobile devices, all supported by a robust and secure mail server. This solution is ideal for organizations of any scale. Axigen possesses extensive expertise; explore its diverse functionalities and select the ones that align with your needs. Effortlessly manage your emails while enhancing productivity with tools for calendars, tasks, and notes. Experience user-friendly browser functionality with features like keyboard shortcuts, drag-and-drop capabilities, real-time email viewing, frequently accessed folders, customizable email filters, vacation replies, and personal blacklist/whitelist options, ensuring a comprehensive email management experience. With such a versatile system, businesses can streamline their communication effectively.

The Courier mail transfer agent (MTA) serves as a comprehensive mail and groupware server that utilizes widely recognized protocols, including ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Within a unified framework, Courier delivers a range of services, such as ESMTP, IMAP, POP3, webmail, and mailing list functionalities, allowing users to easily enable or disable specific components as needed. Recently, the Courier mail server has introduced fundamental web-based calendaring and scheduling features within its webmail module, with plans for more sophisticated groupware calendaring capabilities to come shortly. Notably, the source code for the Courier mail server is designed to compile on most POSIX-compliant operating systems that utilize Linux or BSD-derived kernels, and it can also be successfully compiled on Solaris and AIX systems, provided users utilize the appropriate freeware add-on tools from Sun or IBM. The development of the Courier mail server is rooted in a combination of several interrelated projects that converged into its current form, and it also incorporates SMTP extensions specifically aimed at enhancing mailing list management functionality. In this way, Courier not only serves as a versatile mail server but also as a collaborative tool for users seeking effective communication solutions.

SquidProxies provides top-tier private proxies designed for a wide range of applications, ensuring users' true IP addresses remain hidden while avoiding detection of proxy use. With a robust network of high-speed proxy servers that uphold elite anonymity, SquidProxies enhances user privacy through its extensive array of IP addresses sourced from various cities around the world. Clients can take advantage of non-sequential IP addresses to further reduce their digital footprints, along with unlimited bandwidth and no hidden charges. The service is compatible with any tools or devices that utilize HTTP and HTTPS proxies, ensuring an uninterrupted and ad-free browsing experience. Additionally, subscribers are granted new proxies each month following their renewal payment, maintaining the freshness of their proxy options. Since its inception in 2010, SquidProxies has developed one of the most extensive global proxy networks, focusing on tailored solutions that cater to demanding performance needs and high traffic volumes while continually adapting to the evolving landscape of online privacy.

GridPane empowers dedicated WordPress agencies to effectively resolve their hosting challenges for good. With the ability to create and oversee your own enterprise-level servers, you can establish your own WordPress hosting venture using GridPane. The performance of the GridPane server stack is exceptional, designed to handle any demands you place upon it. Your site's visitors will experience seamless page loads without unnecessary delays. Our supportive team consists of skilled engineers who possess an in-depth knowledge of both WordPress and our premium hosting infrastructure. In addition to robust security measures included right from the start, we also offer integrations with various WAFs, Fail2Ban, malware scanning via Maldet and ClamAV, as well as several options for strengthening Nginx sites. Furthermore, choosing GridPane means you’re investing in a reliable platform that prioritizes both performance and security.

Cherokee stands out as a cutting-edge, feature-laden, ultra-fast, and user-friendly open source web server tailored for the demands of the next generation of secure, highly concurrent web applications. Configuration is seamlessly managed through Cherokee-Admin, an elegant and robust web interface that simplifies the setup process. This server is compatible with a wide array of popular web technologies such as FastCGI, SCGI, PHP, uWSGI, SSI, CGI, LDAP, TLS/SSL, HTTP proxying, video streaming, and content caching, among others. It operates efficiently on platforms like Linux, Mac OS X, Solaris, and BSD, showcasing remarkable lightweight performance and exceptional stability. One of its standout features is the intuitive cherokee-admin interface, which offers a hassle-free way to configure every aspect of the server without the complexities of text file syntax. This focus on user experience makes Cherokee an attractive option for developers seeking both power and ease of use. Additionally, the ongoing development and community support further enhance its capabilities, ensuring it remains relevant in the evolving landscape of web technologies.

MailEnable offers a comprehensive solution for secure email and collaboration services, gaining recognition in a recent independent survey as the leading Windows Mail Server Platform globally. Whether you are a large hosting provider catering to numerous users or a small business managing a single domain, MailEnable delivers a solution that is sure to satisfy your email users. The Windows Mail Server software from MailEnable boasts features that rival those of Microsoft Exchange, including robust messaging protocols like Exchange ActiveSync, IMAP, SMTP, and POP3, along with collaborative tools such as calendaring (CalDAV), contacts (CardDAV), tasks, and notes. This extensive feature set ensures that users have access to everything they need for seamless communication and organization.

Mailtraq Professional mail server software serves as a comprehensive solution for businesses seeking efficient email management. It delivers all necessary functionalities at an affordable cost, eliminating common complications associated with email servers. As a perfect alternative to Microsoft Exchange, Mailtraq is user-friendly to deploy and straightforward to oversee. With attractive licensing fees, no server client access licenses (CALs), and reliable performance, Mailtraq is the go-to choice for small to medium-sized businesses and home offices. Email plays a crucial role in the operations of any organization, and the security of stored messages is essential for the sustained success of your company. Although managing your own email server can involve some level of complexity and costs, it provides you with total physical control over who accesses your email communications. In contrast, utilizing your internet service provider's email service raises privacy concerns, as their administrators can access and read your messages. Likewise, relying on a software-as-a-service (SaaS) provider for hosted email solutions means you may not only be unaware of who is accessing your emails but also lack information about the physical location of your data storage. Therefore, opting for Mailtraq ensures both control and peace of mind regarding your email integrity and confidentiality.

Reliable servers help decrease customer turnover while enabling you to boost server density, ultimately enhancing your profitability. The stability features of CloudLinux OS effectively mitigate resource surges, ensuring that your servers maintain exceptional stability even under significant pressure. Additionally, CloudLinux OS safeguards your servers against attacks by virtualizing users' file systems, preventing any potential leaks of sensitive information. Our advanced kernel-level technology effectively blocks all known symbolic link attacks, significantly bolstering server security. It is also essential to secure outdated PHP versions where vulnerabilities may exist, particularly in cases where the PHP.net community does not provide patches. By utilizing CloudLinux OS, you can effectively increase the number of users on a more stable server while managing resource limits for each individual customer. Moreover, you can troubleshoot performance issues with comprehensive insights into system bottlenecks, slow database queries, functions, or external calls, ensuring optimal server performance. This holistic approach not only guarantees security but also enhances the overall user experience.

Raptor Email Security, an MX-based email security system, was designed by industry experts to prevent spam, phishing and malware attacks. It uses a unique scoring framework, multiple technologies, including ClamAV, MIMEDefang and Sendmail. Our spam experts will take care of the annoying spam! Zero Spam. Zero Tickets. 2X Resources. Your email will go through our servers. This ensures that your server is protected from the majority of cyber attacks. You can increase your hosting revenue by adding more hosting accounts and monetize your server with less resource consumption. Raptor Email Security comes with Raptor Review, which provides an expert analysis of your email configuration. It is a white glove service that provides a phishing hotline to help you fix any email problems, including blocking spam, improving deliveryability, identifying scams and finding missing emails. It takes only minutes to set up. Get a free trial for 30 days!

AlmaLinux OS is a free, community-driven enterprise Linux distribution that emphasizes long-term stability and serves as a reliable platform for production environments. It is designed to be fully compatible with RHEL® and pre-Stream CentOS, allowing users to transition seamlessly between systems. The source code and various tools necessary for building AlmaLinux OS can be accessed through our GitHub organization. Engage with a lively community on Reddit, where you can interact with fellow users, stay informed on the latest developments, and both offer and seek assistance. Participate in real-time discussions with other members, including the governance team and developers, to ask questions and share knowledge. As a fully independent operating system, AlmaLinux OS benefits from $1M in annual support from CloudLinux Inc, along with contributions from additional sponsors, ensuring ongoing development is driven by community involvement. This collaborative approach allows for a more resilient and adaptable OS that meets the needs of its users.

Cyrus IMAP serves as a server for emails, contacts, and calendars, and is available as free and open-source software. Among its many features are high-speed performance, strong security measures, and efficient resource management. Additionally, it includes powerful search capabilities and supports both CardDAV and CalDAV protocols. The platform ensures robust data storage and offers replication features, making it suitable for large-scale installations. Flexible filtering through Sieve allows for customizable email handling, while integration with antivirus and antispam toolkits enhances its security. Moreover, Cyrus IMAP effectively manages deliverability standards such as SPF, DKIM, and DMARC. It provides extensive authentication possibilities through Cyrus SASL and includes support for JMAP, alongside a comprehensive array of supported standards that enhance its versatility. Overall, Cyrus IMAP is an ideal solution for organizations seeking a reliable and feature-rich email server.

The optimal approach to constructing your mail server using open source software is to utilize platforms such as CentOS Stream, Rocky, Alma, Debian, Ubuntu, FreeBSD, and OpenBSD. By employing iRedMail, you can set up a FREE, OPEN SOURCE, and COMPLETELY FUNCTIONAL mail server in just a few minutes. We have taken care of the complexities by assembling all necessary open source components and implementing best practices, allowing our product to handle all essential tasks on your behalf. In addition, we provide professional support to assist you should you encounter any issues. You maintain complete ownership of your personal data stored on your hard drive, giving you the ability to control email security and review transaction logs. No external organization has access to the content of your communications. All components integrated into iRedMail are based on open source software, ensuring you receive bug fixes and updates from reputable Linux/BSD vendors. With iRedMail, you are not only building a mail server but also gaining peace of mind knowing that your email system is secure and private. In this way, iRedMail stands out as the definitive solution for those looking to establish a mail server using open source software.

Oracle Communications Messaging Server is an Internet messaging solution built on standards, aimed at providing robust and high-capacity message handling for both service providers and their end-users. This versatile Messaging Server accommodates various email protocols and is capable of managing a wide array of content types, including embedded text, audio, graphics, video files, and other formats. Its design ensures reliability and efficiency in message delivery, making it a preferred choice for organizations seeking effective communication tools.

Take back your autonomy and safeguard your personal information by setting up your own email server, a process that can be completed in under 10 minutes! With Modoboa, you can establish your email server at no cost in less than 10 minutes. When it comes to establishing a mailbox, you typically have a few choices: - Rely on services provided by internet and infrastructure companies (like Orange, Vodafone, OVH, or Gandi), which often require a monthly or annual fee, but they come with limitations on customization, configuration options, and the number of domains and mailboxes you can use. - Opt for free email services (such as Gmail, Live, or Yahoo), which come with restrictions and often exploit your data for commercial gain. - Set up your own email server, although this usually demands a significant level of technical expertise for proper installation and configuration. Modoboa presents a viable alternative to these three options. It liberates you from the constraints of traditional email providers, allowing anyone to create a secure email server independently. Best of all, this entire process takes less than 10 minutes and is completely free of charge. Embrace the freedom of managing your own email with ease!

The relay restrictions have been entirely reimagined to feature a more user-friendly interface that allows for enhanced control over relay security measures. Additionally, EIMS introduces its own Domain Name Resolver (DNR), designed to address issues present in the Open Transport DNR and to improve performance compared to the OS X DNR, although it currently lacks support for non-recursive DNS configurations. Furthermore, a new SMTP Submit port has been added, operating on TCP port 587 by default, mirroring the functionality of the standard SMTP port; this is particularly beneficial for clients whose ISPs restrict access to port 25. An option to set a maximum number of recipients per message has been incorporated, and the previously mandatory Expand SMTP Addresses feature can now be disabled, a change from EIMS versions 3.1 and earlier where it was always enabled. In addition, the SMTP server on both ports 25 and 587 is now equipped to log Telnet connections and recognize activities resembling port scans, enhancing security monitoring capabilities. Overall, these updates aim to provide users with greater flexibility and security when managing their email services.

Select from our curated options of ad servers and content providers to prevent them from appearing on your iOS device. On your Android device, you can import rules from EasyList or a hosts file. Customize your own blacklist and whitelist to restrict any URL, domain, or IP address across both operating systems. To maximize your experience with Weblock, explore the Filters section. You have the ability to add personal rules and establish Blacklists, Whitelists, and Redirects. Any locations and resources that fall under Blacklist criteria will be blocked from your device, while those on the Whitelist will always remain accessible despite any Blacklist settings. Additionally, you can implement Redirects and utilize proxy servers to access specific domains and URLs. Effectively block advertisements, including banners, pop-ups, and video ads across most browsers and applications, enhancing your browsing experience significantly. With these customizable features, you can take full control of your online environment.

hMailServer is a complimentary and open-source email server designed for the Microsoft Windows platform. It is utilized globally by various entities, including internet service providers, businesses, governmental organizations, educational institutions, and individual users with a passion for technology. The server accommodates standard email protocols such as IMAP, SMTP, and POP3, making it compatible with numerous existing webmail systems. Additionally, it features a customizable score-based spam protection system and can be integrated with virus scanners to ensure that all incoming and outgoing emails are thoroughly checked for threats. This versatility makes hMailServer a popular choice for those seeking a reliable email solution.

Enhance your Outlook experience through features like push email, personal information management, group scheduling, availability services, public folders, delegation, and additional functionalities. By utilizing fewer servers and attractive subscription models, you can boost your profit margins effectively. Furthermore, cut down on licensing expenses while capitalizing on your team's current expertise by adopting a Linux-based system. Scalix offers starter packs that serve as comprehensive, single-server messaging solutions tailored for smaller enterprises and organizations, delivering a complete suite of email and collaboration tools. The Scalix small business edition is specifically crafted for small enterprises, providing a rich array of business capabilities, including the ability to quickly recover deleted user-specific items, support for mobile devices, and various other essential features. This solution not only facilitates efficient communication but also empowers businesses to operate seamlessly in a competitive landscape.

Our comprehensive Unified Communications technology is anchored by the CommuniGate Pro platform. This system facilitates extensive Unified Communications through open APIs that allow seamless integration with various business applications. With the ability to scale to hundreds of millions of accounts, CommuniGate Pro is perfectly suited for large-scale alert systems, multimodal communications in web applications, or highly secure network architectures. Importantly, achieving such scale does not compromise efficiency or reliability; the platform is exceptionally agile and capable of supporting resilient applications in military and embedded environments. Furthermore, CommuniGate Pro has received approval for use by governmental agencies in both Europe and the USA. Its reputation for outstanding stability—boasting impressive uptimes akin to VMS—has made it a trusted choice among military, transportation, and research institutions. Additionally, the platform enables banks to efficiently manage email services for millions of clients while ensuring compliance with regulatory standards. The server's signaling capabilities can also be effectively implemented within a hybrid system, enhancing its versatility even further. This makes CommuniGate Pro a top-tier solution for organizations looking to optimize their communications infrastructure.

SmarterMail is the ideal Microsoft Exchange alternative. First, it's the only business email server on the market that offers native support for the protocols that power Exchange: MAPI, EWS, and EAS. It does this without the need for any additional software or plug-ins for Microsoft Outlook or other clients -- desktop and mobile! Best of all, it offers all of the features of Exchange, but at a FRACTION of the cost. In addition, features like audio and video group chat, and Online Meetings for team meetings and group collaboration are included at no extra charge. It's designed to provide the functionality businesses need, without sacrificing secure, reliable access to business, and personal, communication.

James represents the Java Apache Mail Enterprise Server, featuring a modular structure that utilizes a comprehensive collection of contemporary and effective components. This architecture ultimately delivers fully-functional, stable, secure, and extendable mail servers that operate on the Java Virtual Machine (JVM). You can craft a tailored email management solution by selecting the necessary components, thanks to the Inversion of Control mail platform it offers. Additionally, you can enhance your email processing capabilities by customizing filtering and routing rules through the James Mailet Container. The Apache James project integrates various libraries that constitute James, ensuring that the services are readily available for download from Apache mirrors, making it easier for users to implement their email solutions. As a result, this flexibility allows for significant customization to meet diverse communication needs.

SOGo is a reliable and well-supported groupware server designed with an emphasis on scalability and adherence to open standards. Released under the GNU GPL/LGPL v2 and later, SOGo features an advanced AJAX-based web interface while accommodating various native clients by utilizing standard protocols like CalDAV, CardDAV, and GroupDAV, in addition to Microsoft ActiveSync. Acting as the crucial link within your infrastructure, SOGo provides users with a cohesive and comprehensive interface for accessing their data. Its effectiveness has been demonstrated in production settings that cater to thousands of users, ensuring robust performance and efficiency. Overall, SOGo enhances collaboration and information retrieval within organizations of any size.

Shadowrocket is a proxy tool that operates on rule-based principles to capture and redirect all types of traffic—HTTP, HTTPS, DNS, and TCP—from any application to a designated proxy server, enabling users to analyze each request in detail. Users can establish rules based on various criteria such as domain matches, suffixes, keywords, CIDR IP ranges, or GeoIP lookups, and they have the option to import configurations through URLs or iCloud Drive while also tracking usage and speed across different types of connections like Wi-Fi, cellular, direct, and proxy. Additionally, it is capable of blocking ads based on domain or user-agent rules, facilitating local DNS mapping, decrypting HTTPS traffic, rewriting URLs, and offering complete support for IPv6. The application is further enhanced by advanced script filters, multi-level forward proxying, and compatibility with plugins like kcptun, cloak, gost, and v2ray, which increase its adaptability. To ensure secure name resolution, it incorporates features like DNS-over-HTTPS, DNS-over-TLS, and DNS-over-QUIC. Shadowrocket also functions effectively on cellular networks and includes SSH tunneling with UDP gateway support, solidifying its role as a robust solution for network traffic monitoring, filtering, and optimization while enhancing user experience through its comprehensive features.

Mailcow: Dockerized is a self-hosted email and groupware solution built on Docker technology. It incorporates a variety of established and reliable components that work together to create a hassle-free email server experience. Each application is encapsulated within its own container, all linked through a bridged network for seamless interaction and functionality. This modular approach enhances the scalability and maintainability of the server setup.

MailSite Fusion serves as a comprehensive email, calendar, and contact server for Windows, offering seamless over-the-air synchronization with various smartphones, full native Outlook integration, an advanced AJAX web client, and a server for sharing calendars and contacts, which can also sync and publish to multiple other clients. For three consecutive years, it has consistently ranked among the top three mail server products according to the readers of Windows IT Pro Magazine. Given the essential nature of email services to your organization, it is crucial to choose a reliable product from a company that has demonstrated expertise in communication software. So, what makes this mail server stand out? Rockliffe has dedicated itself to the development and enhancement of email server and security solutions for businesses and service providers since 1995, addressing your concerns with a sense of urgency. Engineered from the ground up to prioritize speed, stability, and security, MailSite Fusion is equipped to fulfill your most pressing needs and expectations effectively. Moreover, its robust features ensure that you can manage your communications seamlessly while maintaining a high level of security.

When a user attempts to visit a website on the Internet, their browser initiates a connection to that site directly or through specified proxy settings. This interaction is processed by Squid, which authenticates the requests and forwards them to a Web Safety ICAP filter, either locally or remotely hosted. Both the requests and responses are scrutinized to determine access based on established policy rules, while relevant information is logged in a database. Web Safety serves as an ICAP web filter that seamlessly integrates with the Squid proxy, enabling it to conduct URL filtering and in-depth content analysis of encrypted HTTPS traffic. This capability allows for effective blocking of explicit encrypted content, as the system performs thorough inspections of web pages, preventing access to any material that contains adult language or leads to dubious sites. Additionally, popular general-purpose websites such as Google Search, Google Images, Bing, and YouTube are also monitored, ensuring that any inappropriate content is filtered out. By implementing these measures, the system enhances online safety for users across the board.

Dovecot stands out as a remarkable option for installations of any size, whether small or large. Notably, it ranks among the top IMAP servers, offering robust performance while seamlessly supporting both mbox and Maildir formats. Its mailboxes come with transparent indexing that enhances speed and retains full compatibility with traditional mailbox management tools. Adhering to industry standards, Dovecot successfully passes all compliance tests for IMAP servers, unlike many of its competitors that often fall short. One of its impressive features is the self-optimizing indexes, which provide just the necessary information that users typically require without excess. Additionally, Dovecot incorporates self-healing capabilities, autonomously addressing many issues it detects, such as corrupted index files, while ensuring that any problems encountered are logged for further investigation by administrators. Furthermore, Dovecot is designed with user-friendliness in mind, as it aims to present common error messages in a straightforward and comprehensible manner, making it easier for administrators to resolve issues. Overall, Dovecot's combination of performance, compliance, and user-centric features makes it a top-tier choice for email server solutions.

We simplify the process of acquiring domain names—just search, purchase, and start using them. Secure your domain today, and enjoy complimentary web and email forwarding, alongside comprehensive DNS management through an intuitive control panel. Whether you're a beginner or an expert, and regardless of whether you prefer Linux or Windows, we have a suitable plan tailored for you. Experience rapid, budget-friendly, and dependable web hosting that supports ASP.NET, ASP Classic, and PHP on Windows Server 2019 with SQL Server 2016, or opt for Linux hosting featuring PHP, MySQL, and Ruby. Our VPS servers are incredibly fast, utilizing SSD technology, and you can select from various Windows or Linux operating systems, along with control panels like Plesk and cPanel, all on our robust and self-healing cloud infrastructure. For those requiring complete control, we offer full administrator or root access, ensuring you have a swift solution at your fingertips. Additionally, our high-performance Dell dedicated servers are linked to an ultra-fast network. With options for both managed and unmanaged servers, we provide a reliable platform, all supported by excellent UK-based customer service for your peace of mind, ensuring that assistance is always readily available when you need it most.

Affordable SSL certificates and various security solutions are provided by CheapSSLSecurity at competitive prices. These certificates are designed to safeguard a single domain, sub-domains, or multiple domains, regardless of whether they are hosted on different servers. For instance, the Multi-Domain SSL certificates offered by CheapSSLSecurity can protect as many as 250 websites, while their Multi-Domain Wildcard SSL certificates can cover up to 250 domains along with their respective subdomains. This flexibility makes it an ideal choice for businesses with diverse online assets.

MDaemon Email Server supports IMAP and SMTP protocols. It delivers solid performance thanks to its feature-rich, user-friendly design. The email server software is low in total cost of ownership (TCO), and is specifically designed to meet the needs small- to medium-sized businesses. MDaemon supports multiple languages, content filtering, and multiple domains. It also offers flexible administration and an open standard design.

Mail from external sources is collected by Mercury and deposited into the designated mailbox of the recipient, enabling the user to retrieve it whenever they wish. When local users wish to send messages to the outside, these messages are forwarded to Mercury, which manages the delivery process, alleviating the workload on the user's device and permitting them to focus on other tasks. With a dialup connection, only the mail server needs to have access to that link, meaning individual workstations do not require their own modems or Internet connections. This setup allows the mail server to continue managing email even if the client workstations are powered down, thereby supporting functionalities that require constant service availability, such as automatic replies and auto-forwarding. As a result, users enjoy a seamless experience without the need for constant vigilance over their email communications.

Founded in 2000 by Philippe Gilbert, Alinto emerged from his bold vision and has since made significant strides in the digital communication landscape. By assembling a dedicated group of developers and specialists in cloud messaging, the company pioneered the first messaging platform in Europe that featured a cloud-based email solution, as well as the first web-based email accessible via mobile devices. This innovation allowed us to establish ourselves as a key player in the European digital sector. As a provider of software mail servers, our teams in R&D, Marketing, and Support prioritize a customer-centric approach that emphasizes availability and accessibility. More than just an electronic communication service, we offer tailored care and solutions that cater to your specific needs and requirements. Additionally, our team of experts is always on hand to provide support, ensuring that whether you are a telecom operator, an internet service provider, or an IT professional, you can count on us for assistance and guidance. We take pride in building lasting relationships with our clients to foster mutual growth and success.

personalDNSfilter is a Java-based DNS filtering proxy that captures domain name resolutions, redirecting filtered domains to the loopback address. It is compatible with secure DNS protocols such as DNS over HTTPS (DoH) and DNS over TLS (DoT), functioning on any device that supports Java. This application is designed to be efficient in memory use, enabling it to filter millions of domains while only utilizing a modest amount of RAM. For Android devices running version 4.2 or later, personalDNSfilter serves as a robust solution for blocking ads, malware, and tracking services without the need for root access. It can seamlessly integrate with any upstream DNS server, facilitating local filtering without external queries. The software is equipped with preloaded ad host filter lists, and users have the flexibility to incorporate additional lists as needed. Moreover, personalDNSfilter can be deployed either on an individual device or as a centralized DNS server to manage network-wide filtering. This versatility makes it an ideal choice for users looking to enhance their online privacy and security.

Having been in operation for 21 years, our focus has been on providing Swiss Internet services, specializing in web hosting, web servers, and domain management. We currently manage over 1,000 server systems and cater to around 50,000 clients. Both small and medium-sized enterprises, along with individual users, receive ample resources for their online presence and email needs, as we handle all aspects of server administration. Users can easily access a range of popular content management systems and applications, including WordPress, Joomla, Typo3, and Drupal. Furthermore, our data is secured with backups stored in a separate data center, ensuring protection against disasters at no additional cost. Experience the benefits of genuine multi-domain hosting, enabling you to manage an unlimited number of domains seamlessly on a single platform. Our virtual cloud server systems provide a user-friendly, economical introduction to isolated server environments while maintaining the flexibility to scale as your needs evolve. Ultimately, our commitment to high-quality service ensures your online operations run smoothly and efficiently.

Mail-in-a-Box allows you to establish your very own mail service provider with just a few straightforward steps, similar to creating a personalized version of Gmail that you have complete control over. Essentially, it transforms a new cloud computer into a fully functional mail server, and you don’t need to possess advanced technical skills to get it up and running. Each Mail-in-a-Box setup comes equipped with webmail access and an IMAP/SMTP server, making it compatible with both mobile devices and desktop email applications. Additionally, it offers synchronization for contacts and calendars, ensuring that all your information stays up to date across devices. Moreover, the system includes essential mail features such as spam protection through filtering and greylisting, customizable mail filter rules, automatic configuration for email clients, and scheduled backups to services like Amazon S3. Another advantage is its automatic DNS configuration, which simplifies the process when you allow it to function as your nameserver, enabling it to establish crucial DNS records that enhance mail deliverability and security, including SPF, DKIM, DMARC, and MTA-STS. Furthermore, when DNSSEC is activated along with DANE TLSA, it significantly elevates the level of security for your email communications.

Self-service, remote deployment of operating systems such as Windows, CentOS, ESXi, and Ubuntu on physical servers transforms your data center into a bare metal cloud environment. This Metal-As-A-Service (MAAS) solution enables provisioning for a variety of systems, offering on-demand server capabilities alongside remote edge cluster management. With comprehensive infrastructure monitoring and discovery features, it seamlessly integrates with tools like Ansible, Chef, Puppet, SALT, and Juju, ensuring rapid installations from scratch. Supporting VMware ESXi, Windows, CentOS, RHEL, and Ubuntu, it allows for the creation of customized images with pre-installed applications, as well as configurations for disk and network settings. The platform utilizes an API-driven approach for essential services such as DHCP, DNS, PXE, and IPAM, while a REST API facilitates streamlined provisioning processes. Furthermore, it incorporates LDAP user authentication and role-based access control (RBAC) to enhance security measures. Hardware testing and commissioning are integral parts of the solution, which is designed to deliver the quickest operating system installation times in the industry, thanks to its highly optimized image-based installer. MAAS is compatible with all certified servers from leading vendors and efficiently discovers servers located in racks, chassis, and broader data center networks, while also supporting major system BMCs and chassis controllers. The combination of these features allows organizations to manage their infrastructure more effectively and drive operational efficiency.

OpenSMTPD serves as a free implementation of the SMTP protocol for server-side email communication, as laid out in RFC 5321, and incorporates several additional standard extensions. This software enables standard machines to facilitate email exchanges with other systems that also utilize the SMTP protocol. Born from a desire for a more satisfactory alternative to existing solutions, OpenSMTPD offers a comprehensive SMTP implementation. The project is mainly driven by developers Gilles Chehade and Eric Faurot, alongside contributions from numerous OpenBSD developers and collaborators from various other communities. Its development reflects a commitment to improving email server functionality and reliability across different platforms.