Alternatives to Sendmail

Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.

Critical Impact allows you to amplify and facilitate your email marketing strategies. Our platform allows you to efficiently monitor your email and messaging portfolio, send edited and scheduled emails and text messages (SMS) for your advertising efforts with an affordable pricing structure. Our subscriber assessment technique digs deep into your data to quickly find the subscribers who are most likely to read your next email, receive more emails, or make an additional purchase. With our user-friendly interface, you can schedule the forwarding of your communications in seconds. Choose your sending options on a single page, then avoid errors by viewing the configuration of all your submission details. Even rate your email on display, from phone, tablet to monitor.

qmail is an efficient, reliable, and simple message transfer agent. Security is not just a goal but a requirement. Users cannot turn off mail delivery, so it needs to be secure. The straight-paper-path philosophy of qmail ensures that a message, once accepted into the system will never be lost. qmail can optionally support maildir, an ultra-reliable new user mailbox format. Maildirs will not be corrupted by a system crash, unlike mbox and mh files. Not only can an NFS client safely deliver mail to a user, but it can also be used by multiple clients at the same time. qmail is much smaller than any Internet MTA. Other MTAs use separate mechanisms for forwarding, aliasing and mailing lists. qmail offers a simple forwarding feature that allows users to manage their own mailing lists.

Reliable SMTP relay services and email delivery services. You can send and track large volumes of emails with ease using powerful email delivery services. In minutes, integrate and you can start sending. All your email delivery, transactional and email relay needs are covered under one roof. SMTP can deliver whether you need a reliable backend solution or scalable infrastructure to handle large volumes of emails. Reputation Defender, SMTP's proprietary technology, uses big data to proactively monitor and protect your email list health. It also suppresses bad emails from soft and hard bounces in order to protect your IP reputation and domain. This will ensure that your delivery rates and inbox placement gradually improve over time.

Dovecot is a great choice for both small- and large-scale installations. Dovecot is one of the fastest IMAP servers, and it still supports the standard Maildir and mbox formats. Dovecot's high performance is due to the transparent indexing of mailboxes. Dovecot is compliant with standards. Dovecot is compliant with all IMAP server standards. Dovecot's Indexes are automatically optimized. They contain only what the client of the user needs most often, nothing more or less. Dovecot has self-healing capabilities. It fixes most of the problems that it finds on its own, like broken index files. The problems are logged, however, so that the administrator can try to determine what caused them later. Dovecot strives to be administrator-friendly. The common error messages are as clear as possible.

MailerQ is an on-premise Mail Transfer Agent (MTA), which delivers millions of emails per day. It is designed with an emphasis on performance, ease of use, and insights. The MTA includes an intuitive Management Console, REST API, as well as other functionality that will allow serious senders to maintain and improve their reputation and deliverability rates. It is becoming an increasingly popular choice for all types of senders, including banks and government institutions. The management console provides real-time insight into delivery attempts and results, queues and error logs, as well as queues and error logs per MTA, target, IP, and even per customer, campaign, or message type. You can classify bounces, process feedback loops, and adjust MTA behavior based upon server responses. This will allow you to maximize your email deliverability as well as your sender reputation.

DKIM Signing improves inbox placement for mailbox providers such as Gmail, Office365, and Office365. For increased reliability, multiple servers can be used in the USA and Europe. No more managing your own email server or IP reputation. No prior experience is required to create SPF or DKIM records for domain names. Our SMTP relay service can help you if your IP is blacklisted. Technical support is available 24x7 via chat, email, or phone. We will ensure that your mail is delivered. We will be able to deliver your mail promptly to your inbox. To ensure the best service, we optimize our sending routes and closely monitor IP reputations. We have a Zero Spam Policy which allows us to block or limit messages that could damage our reliability or affect the reputation of our customers. After you have verified domain ownership via DNS, you can send unlimited numbers of "From" addresses and domains.

Get the best Email Marketing at an affordable price. To improve your sender reputation and prevent blacklisting of IP addresses due to actions taken by others, use a dedicated IP address. Use the cryptographic signatures SPF or DKIM to show that the message is from your company and domain. This will help reduce spam messages. Our SMTP servers send you emails via secure SSL connection. Moreover, it's lightning fast. You can view the total number of messages sent, the conversions made, and the links clicked for each mailing list. Our SMTP service generates sending and delivery error reports. All reports can be downloaded directly to your computer. Even if the recipient is on a mailing list, your mailings will not be sent to them. Your emails should be delivered to the inbox, not the spam folder.

SendPost replaces manual hacks, messy workarounds and daily frustrations associated with your email API/SMTP provider. If you send a few thousand emails, most email API solutions will work well. You will choose one based on its price, features, or support. If you are a big sender, sending millions of emails each month, the real problem is here. This is when managing multiple domains, IP-Pols, and IP/Domain reputation becomes a major headache. Even a small drop in your email open rate, or delivery, can have a significant impact on your revenue. You need a solution that helps you identify the problem and provides quick solutions. You don't want spend hours looking through logs to determine if your domain, IP or sending reputation are low.

Labnify offers a Mailer with an inbuilt SMTP relay system so that you won't need to provide one, ensuring you can send and monitor bulk emails cost-effectively. Included features are real-time analytics, open and click tracking, bounce and spam monitoring, a template builder, among others. Avoiding blacklisting is crucial, so our advanced blacklist monitoring constantly checks your sender reputation, helping your emails reach inboxes. Additionally, Labnify prioritizes email authentication, employing DKIM and SPF protocols for enhanced delivery rates and security. Handling millions of emails is seamless with Labnify. Import your email list and send without any pesky SMTP credentials, streamlining your email marketing process. Built on a cost-effective Email API, our platform supports vast scalability and excellent deliverability, capable of managing over 100 million emails monthly through our highly efficient system.

Cloud-based email hosting that is reliable with spam filtering, antivirus protection and large storage. Compatible with Outlook and all other POP3/IMAP clients. Responsible senders can use high volume SMTP services. Outbound relay service for transactional mail, email marketing campaigns, newsletters, and other applications. High volume senders will benefit from dedicated email servers, clustering, and multiple IP load balancing. Fixed monthly cost with unlimited sending, reputation monitoring. Greatmail is an email service provider (ESP), specializing in business-class email hosting, SMTP hosting, and email servers. We also offer custom solutions for ISPs, cloud developers, and application programmers. These include dedicated IP servers and load balanced configurations with multiple servers.

PowerMTA is an enterprise-grade email messaging transfer agent (MTA), software that sends high-volume, business-critical email messages. PowerMTA can run on your own server, or in any public cloud like Amazon Web Services or Microsoft Azure. PowerMTA offers unrivaled reliability and powerful analytics. You have complete control over your email sending. With a simple setup, minimal hardware footprint and robust analytics, PowerMTA can improve performance, deliverability, team efficiency, and team productivity. PowerMTA with Signals is available today starting at $8,000/year. SparkPost Signals is a part of PowerMTA and provides a comprehensive view of your email sending. Analyze per domain, per-campaign and even per recipient performance to optimize your email sending and prevent future problems. PowerMTA delivers unmatched performance and delivery in a stable SMTP environment. Send high-speed messages with complete control

Bulk Mailer is an email marketing software that allows bulk messages to be designed, sent and monitored. Bulk Mailer has an integrated SMTP server, which allows it to send mass email messages directly from the recipient's mailbox. Bulk Mailer allows you to monitor who opened your email and what time. Mass email software makes it easy to manage your contacts and create personalized HTML messages. This program is essential for bulk email campaign managers. Bulk email software is powerful and will outperform your business competitors. Bulk Mailer can accept mailing lists created in Access, Excel and DBF, Word. They are saved in ASCII text files (.txt and.lst). It is possible to enter unlimited numbers of email addresses. Bulk Mailer is a flexible and powerful sending tool.

Postmastery offers professional email monitoring beyond the simple click & open statistics. Postmastery's Delivery Analytics platform processes SMTP data from both on-premises and SMTP providers. It can read data from Microsoft SNDS, Return Path Score, and relevant blacklists. Users can access real-time dashboards and get automatic alerts. Email marketing is plagued by high bounce rates, slow delivery times, junk folders, and blacklisting. These issues can negatively impact your business. They can negatively impact your reputation so it's important to avoid them. Postmastery provides a baseline for improvement, and conducts an email delivery assessment. Our specialists can also provide support at the infrastructure level if necessary. Postmastery will manage your delivery monitoring so you can focus on your core business. Our 'email delivery control center' offers email delivery expertise, tools and support.

PostageApp is an Email Service Provider, (ESP) that offers a simple and straightforward approach. Our simple email service can be set up in minutes. We don't compromise on deliverability best practices such as DKIM, SPF and rigid RFC compliance. We offer startup-friendly plans to get your MVP off to the ground. Our Dedicated IP plans allow your app to grow and allows you to take control of your reputation, ensuring maximum throughput. Our developer-focused tools and support will get you started quickly. Our in-house deliverability specialists actively monitor and work with your inboxes to hit inboxes. Our reporting, tracking, and analytics provide insight into the success of your campaign.

You can send unlimited email traffic to anyone you like. The mail server works regardless if you are using a desktop computer at home, a tablet, a smartphone or a laptop while on the go. Avoid blacklistings, and don't forget maintenance, updates, and other hindrances. Your email campaigns are sent to the entire globe via our stable SMTP cloud servers. You can send email from your own domain and IP number if you choose a dedicated SMTP server. This allows you to control the reputation of any email you send. Mailwizz is a professional email management system that allows you to manage email lists and create high-quality email content. Mailwizz is a professional email management system that can handle large numbers of emails. There are no products on the market that can replace email as the primary route to the recipient's attention. Email is the best option for marketing.

To phish your customers' and employees' credentials, hackers use spoofed email addresses. Hackers send forged invoices via mail to your suppliers and partners. Malicious mails with Ransomware and malware are sent by hackers. By spoofing trusted brands, attackers can sell illegal goods such as weapons and drugs. DMARC is an email validation protocol that uses two internationally accepted authentication protocols, namely SPF (Sender policy Framework) and DKIM ("DomainKeys Identified mail). SPF is an email authentication protocol which allows the receiving mail server check if the sender mail server has authorization to send emails for the organization. DKIM is a public- and private cryptography-based authentication protocol that ensures that messages don't get altered during transit between the receiver and sender mail servers.

Amazon Simple Email Service (SES), a cost-effective, flexible and scalable email service, allows developers to send mail from any application. Amazon SES can be configured quickly to support multiple email use cases including marketing, transactional, and mass mail communications. Amazon SES's flexibility in IP deployment and email authentication options allow for greater deliverability and protect sender reputation. Additionally, sending analytics measure the impact of each individual email. Amazon SES allows you to send secure, global, and scaled email. You can easily configure email sending using either the Amazon SES console or APIs. Amazon SES also supports email receipt, which allows you to interact with customers at scale. Amazon SES is a subscription service that allows you to pay only for what you use, regardless of the use case or volume of your messages.

To use our service, you will need to modify your domain name system records (DNS). Upon registration, we provide you with SMTP connectivity for your mass email client and an online sending platform. We are responsible for maintaining and checking the servers to ensure that you receive 98% delivery. Please ensure that recipients keep their lists clean. We offer reliable and flexible SMTP servers that are able to adapt to all situations. There are two main types of email delivery process. There are two main types of email delivery: transactional emails and mass emails. Although we encourage you to use our service to send mass emails, transactional emails can also be sent. We will adjust the settings based on the purpose. We care about email deliverability. We regularly test and monitor the performance of email marketing campaigns.

Reliable delivery of your application emails. ActiveCampaign Postmark delivers your email on time and every time to customers. Customers expect transactional emails to arrive promptly, not later. We monitor our delivery times and share the data with the public. Our knowledgeable support team is always available to assist you, via 1-on-1 calls, webinars or email. Postmark integrates seamlessly into any stack thanks to its API libraries that support almost every programming language.

We know how important marketing is to businesses. That's why we created our Instant Bulk SMTP service. This allows you to send your campaign within 30 minutes. Manage multiple contact lists, add, remove, delete, import export. Our email analytics allows you to check bounces, opens and click throughs. You can integrate our email analytics with your applications. It is simple to upgrade to a higher plan with no hassle.

All plans include full-scale marketing automation. We integrate with over 300+ applications. Automate new leads from any source. Calendly New Leads, Automates lead nurturing automation. In-built delivery engine that delivers 98% of your emails. To engage your subscribers, automatically send emails according to a pre-determined schedule. To remove spam emails, clean your email list. With the built-in email builder, you can quickly create emails. Send follow-up emails to non-opens. All your subscribers can be managed in one place. Pabbly Email Marketing allows you to import emails. To capture leads from your website, add a subscription form to your website. Send a welcome email to every new subscriber to your email list.

Miogmail, an SMTP relay service, is the best way to get started with sending transactional and marketing emails. Send emails according to a specific action or send a series of bulk email continuously. Drag-drop editor allows you to create your own email templates or you can use a premade responsive template. Secure email infrastructure integration with SSL and DKIM is a priority. Advanced management tools and a dedicated IP address will increase your email delivery. Professional-looking personalized transactional, promo and newsletter emails. Utilize transactional/promotional SMTP or SMTP API to send bulk email.

SMTP2GO is a reliable outgoing email service that allows you to track and send all emails securely and easily. SMTP2GO has a redundant, multi-data center infrastructure that allows users send emails even during an internet outage. SMTP2GO features include real-time analytics and bounce/spam tracking, weekly summaries spamtrap detection, blacklist monitor, DKIM/SPF and many other features.

Exim is a mail-transfer agent (MTA), which can be used in Unixllike operating system. Philip Hazel wrote the first version in 1995 for the University of Cambridge Computing Service's email systems. Exim is available under the GPL and is free to download and modify. Exim is somewhat similar to Smail 3. However, it has diverged from it and now exceeds it in ease-of-use and flexibility. Both follow the Sendmail design model, where one main binary controls all facilities of the MTA. Some consider this monolithic design to be less secure and slower. However, Exim's security record and speed are better than Sendmail. It excels in advanced areas like address routing, queue handling, and testing. Exim does not have a Graphical User Interface (GUI), but some Linux distributions do.

EmailSuccess provides high volume email sending with enterprise-level SMTP Servers. EmailSuccess can be used as a Mail Transfer Agent (MTA) for all sizes of senders: ESPs and Marketing Automation Companies. High Performance EmailSuccess, an MTA, is designed to deliver large volumes of email. It gives the business full control over the Speed, Latency and Deliverability parameters. Deliverability Clients must be able to deliver their messages quickly. You must ensure that your email is not blocked by spam filters and lands in your inbox. Advanced Sending Intelligence Optimized delivery through automatic and real-time tuning of email delivery parameters; platform tuning is made easy.

Bird (formerly MessageBird), the next-generation CRM, is a powerful tool for marketing, sales, and payments. It powers over 5 trillion messages per year across Email, WhatsApp, and SMS. Bird helps leading brands grow more cost-efficiently through personalized interactions via Email, SMS, or WhatsApp. Bird's APIs and applications are used by the most innovative companies in the world to build communication solutions. Start today and communicate with your customers on any channel, for any purpose, anywhere in the globe. Marketing messages, push notification, order updates, shipping alerts, and more. Operational bottlenecks limiting your growth? Automated conversations and workflows can be used to collect critical information, reduce manual tasks, implement Self-Service flows, and route chats directly to the right agent. Our auto-scaling, reliable APIs are available with comprehensive documentation, complete API references, and intuitive SDKs.

MailerSend is a transactional messaging service designed for developers to work faster and smarter. Intuitively designed so anyone can contribute to transactional email and SMS, while powerful infrastructure and flexible payment plans let you scale quickly. Built by deliverability experts to ensure your messages get delivered, plus dedicated IPs available for high-volume senders.

Brevo (formerly Sendinblue), the platform that helps build customer relationships through Email, SMS, Chat and more. The complete toolkit for converting one-time browsers to long-term customers. Beautifully designed email campaigns allow you to connect with contacts in their inbox. Send targeted messages to your customers. Brevo helps businesses build and grow relationships by automating marketing campaigns, transactional email and SMS messages. What makes Brevo different? Brevo is powered our world-class team of customer happiness experts and we offer pricing that will make you smile. Our platform offers a comprehensive suite of services in a single, easy-to-use solution. Happy Sending!

Email Marketing Services allow your business to contact the customer whenever it pleases. Although not all emails need to be sales pitches, every contact with the customer must provide value. If you're looking for a Transactional SMTP Service, you likely have an application that sends either transactional or marketing messages and are looking for a host to relay these messages. The world's best workflow builder allows you to create fully automated campaigns. You can apply tags, trigger campaigns and branch with if/then logic.

Elastic Email is used by thousands of companies. A powerful Email Marketing platform built on the most cost-effective Email Protocol. Scalability, reliability, and deliverability are important. Connect to our HTTP API or SMTP relay to send your email. You can also scale up to 100+ million emails per monthly on our global infrastructure. Every campaign you send will help you build better relationships with your recipients. Elastic Email offers all the marketing tools that you need to make your contacts feel connected. It is important to deliver on time, be reliable, and scale up. Our global infrastructure is ultra-fast and allows you to connect and send email easily via our HTTP API and SMTP relay. You can also scale up to 100+ million messages per month.

Multi-channel marketing automation platform that allows marketers to create personalized promotional campaigns. You can choose from SMS, email, or web push notification. Or you can combine multiple channels into one campaign to create a complex message sequence. The platform offers all the tools necessary to automate email marketing. You can also create subscription forms and grow your mailing list. Drag and drop is intuitive and allows users to create mobile-friendly email templates. Or, they can choose from a large gallery of predesigned templates. The company also offers a transactional email service, which allows users to send up 12000 emails for free via SMTP and API. SendPulse offers its own chatbot creator. You can create a Telegram chatbot or a Facebook Messenger chatbot to send personalized messages or as an autoresponder.

KingSMTP (formerly known as Kingmailer, founded in 2017) is a simple and fully featured mail server / SMTP service for use by anyone, not just developers. Start sending, receiving or routing your emails with a few clicks.

Transactional emails: Reach your inbox when it matters most Send personalized, fast transactional emails via API or SMTP. Enjoy the benefits of our global experience sending billions upon billions of emails. Personalized transactional emails are sent to inboxes and not to spam folders. You can customize your analytics with pre-built dashboards and an export API. For assistance, consult our award-winning Support team or read the documentation guides. Use custom tagging and whitelabeling to create conditional content. Globally distributed infrastructure: Automatic SPAM loop registration and prewarmed dedicated IPs. Analytics can be accessed in many ways, including custom tags, A/B testing capabilities and comparative reports. White-labeled click tracking, custom reverse DNS and rules engine are available. Custom return path is also available. This is the average delivery time for top 3 ISPs. It was sent from our MTAs and to the recipient's mail server.

Codermails, an email software designed by Coder Technologies, is an email software. It is the best email marketing software for newsletters. Promotions, Welcome mails and Product Updates. It is compatible with both Windows and Linux. It has statistics on click-through rate and open rate.

Microsoft SMTP Service (also known as Microsoft Windows Server SMTP) is a software mail server that allows Microsoft Windows Server to send and receive email. It is part of Internet Information Services (IIS), and is used to relay email between mail servers. Microsoft SMTP Service has become a popular option for organizations who need a reliable, scalable mail server. It is easy-to-install and configure, and can be used by a variety email clients. Microsoft SMTP Service offers a variety of features including: Microsoft SMTP Service relays emails between servers. This means it can be used for sending and receiving emails from multiple domains. Microsoft SMTP Service supports multiple email clients. This includes Microsoft Outlook, Mozilla Thunderbird and Apple Mail. Microsoft SMTP Service offers a number security features such as encryption and authentication.

AuthSMTP is an outgoing SMTP email service that you can use to manage your e-commerce website or mailing list. It works on all computers and mobile devices. You can set up your account instantly and send email within minutes. Our systems are custom-designed and built to ensure reliability and high performance in processing large volumes of email. To ensure the highest availability, we use redundant and high-performance systems. You can access an online Control Panel and email support. We also have web-based support. Our support staff is available to help you if needed. Our email services are backed by knowledgeable support staff who can help you if you need it. We have more than 15 years of experience in email services.

Many site owners have to deal with spam mail issues when using the default PHP mail function() of WordPress. Mail service may have restrictions: Sometimes emails are not delivered or sites exceed the limit on outgoing mail. Bit SMTP plugin allows to authenticate your mail service by configuring the SMTP servers of the desired mail service. SMTP is a protocol that makes your WordPress site's email delivery easier and more reliable. This feature allows you to send mail from your website to your recipients using your preferred mail server.

Sendcrux was founded in 2017 and specializes in email campaigns, with a particular expertise in cold emails. Our performance is what sets us apart, with industry-leading click and open rates. Our success is based on a dedicated, innovative team, a deep understanding audience engagement, and innovative strategies. We consistently outperform our competitors and deliver unparalleled results for clients. We are the first choice for businesses looking for high-impact, effective email marketing solutions. We will elevate your email campaigns and maximize engagement to drive exceptional results. Choose us to have a brighter and more prosperous future in marketing.

Email solution for fast-moving teams. We understand how difficult it can be to find an affordable, reliable email service. Mailjet is the ideal solution for you. Our advanced features will help you grow your company at a very affordable price. Passport, our email editor, allows you to create beautiful responsive emails in just a few mouse clicks. You can choose from a variety of templates, or create your own design. Mailjet's Collaboration Toolkit allows you to collaborate on the same campaign or email template in real-time to improve your team's efficiency. You can drastically reduce the feedback cycle by using commenting and approval workflow features to speed up. To send the right content to the right customers, personalize each email by segmenting your contact list and collecting customer data. It's easy for each recipient to feel special. You can optimize the performance of your campaign by integrating real-time statistics with every sending.

Protect your company against phishing and BEC using industry-leading DMARC technology. Valimail, a pioneering identity-based anti-phishing company, has been ensuring global trustworthiness in digital communications since 2015. Valimail is the only cloud-native platform that validates and authenticates sender identities. This allows you to prevent phishing, protect brands, and ensure compliance. To build trust in your email, you must eliminate phishing at its root. You also get brand protection, compliance and increased email deliveryability. Automatic detection of outbound send services. Access to the largest list of named sending services. Access to detailed views of the authentication status (SPF and DKIM) for all sending domains. Automated DKIM key configuration and detection.

All the benefits of email marketing without the coding. We don't care about your size. We can help your business send powerful emails that get read and clicked on every occasion, no matter how big or small. They are also stunning. You can simplify your marketing tasks and reach all your goals with just a click. Moosend's advanced automation tools will save you time and help propel your email marketing forward. No more blah blah for your subscribers. Send them relevant emails that they want to read. This will increase your open and click rates. You can easily create stunning landing pages in minutes. Our feature-packed form editor makes it easy to grow your mailing list, collect valuable data and share your forms across all of your online channels.

Block Phishing Actively Get Visibility - DMARC Check your domain status to increase email deliveryability and secure your inbox. What is DMARC? DMARC is an email authentication protocol that allows email domain owners to protect their domain from unauthorized use. DMARC at a glance Professional DMARC Services. The abbreviation Domain-based Message Authentication reporting & conformance is the most common technical term DMARC. It is a modus operandi which makes use of Domain Keys Identified Mail and Sender Policy Framework (SPF) to verify the legitimacy of an email message. Both DKIM and SPF play an important role in DMARC's specific mission. It is designed to monitor and improve domain protection against fraudulent emails sent by fraudsters from different parts of the globe. DMARC allows you to instruct receiving servers

What is Postfix? It is Wietse Venema’s mail server. It was originally developed by IBM Research as an alternative to Sendmail. Wietse Venema continues to support Postfix at Google. Postfix works (or has worked) on AIX and BSD, HPUX, IRIX. LINUX. MacOS X. Solaris. Tru64 UNIX. It requires ANSI C and a POSIX.1 librarian. Postfix aims to be fast, simple to administer, and secure. Although the outside is very Sendmail-ish, the inside is entirely different. Multiple SMTP delivery over the same TLS encrypted connection. This reuses existing tlsproxy(8), scache(8) services. MySQL stored procedure support. Gradual degradation: In many cases, a Postfix daemon will log an error and continue to provide services that are still available instead of terminating with a fatality. Postfix can set an execute bit in a queue file. If this fails, no mail will be delivered.

-- The email engine you can build on -- We're everything that happens under the hood of your email communications. Reliable Email API with endless capabilities & features ready for integration. Flowmailer's Email Engine provides all the tools you need to build a professional email strategy. From marketing to customer support, from account management to warehousing, every email sent is valuable. Flowmailer is built for continuous high-performance, no matter the emails you're sending. Take away the difficulties of email delivery and focus on creating meaningful email communications with your customers. Email Delivery | SMTP & API | Infrastructure | Transactional Email

It's time to use smarter tools and transparent data to ensure your messages reach their destination. Teams will be able to fine-tune messages and make connections with subscribers, which will allow them to grow their business. It is time to turbo-charge technology. You need to send 8,000,000 messages per hour from one server. We're experts in high-speed and high-volume messaging. Your lofty goals are possible. It's time to find a team that can help you. GreenArrow is more than a problem-solver. We're solution coordinators. We not only tackle the difficult stuff but also give you tools and knowledge to help you become more knowledgeable about your software. GreenArrow's premium, high performance solutions and unmatched support can help you grow your business and create better subscriber relationships.

Mailgun is an email automation tool that is suitable to developers. Mailgun allows users to access a cloud-based email service that can track, send, and receive emails via their websites and applications. Mailgun supports many programming languages, including Python, Ruby and PHP. Mailgun's tracking feature allows users to track all emails and reduce spam.

For the most reliable email delivery experience, choose the best email API or the best SMTP. Pepipost offers a robust transactional email delivery infrastructure with AI-powered inboxing that is reliable, scalable and secure. It also offers the most affordable pricing plans. We help brands engage with customers at the right time with the right content, over email.

Secure and reliable email hosting for SMBs and Enterprise. Our customers receive over 100 million emails each month. Enhanced gateway security and filtering, outbound SMTP and email service backup using a new high-quality infrastructure for the best results our customers expect. Products include: Secure email gateway, email backup MX and email forwarding, as well as outbound SMTP. Link Click Protection is a part the Advanced Threat Defense Suite and protects DuoCircle against phishing attacks. Link Click Protection protects you even if the site content changes between clicks. Your confidential corporate information is protected and you are protected from phishing attacks. Employees are simply prohibited from visiting sites that may misuse your information. An alert will notify you when a suspicious link is being visited.

WordPress is not sending emails? You're not the only one. It's difficult to reach your inbox with spam filtering increasing in force. Your email delivery issues will disappear once you switch from default WordPress email settings to WPMail SMTP. Are you missing sales opportunities and leads because your WordPress website emails are ending up in spam? These opportunities could be a huge loss for your bottom line. Your emails will be recognized as legitimate if they are authenticated using SMTP. This will allow you to bypass spam filters. WP Mail SMTP is compatible with all the top secure SMTP providers. No matter how many emails are needed, WP Mail SMTP can connect you with the right provider to meet your business's needs and budget.