Best Anti-Spam Software for Small Business

Find and compare the best Anti-Spam software for Small Business in 2025

Use the comparison tool below to compare the top Anti-Spam software for Small Business on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

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    SpamCheckAI Reviews
    Built for SpamChecking free form JSON and not emails, like all the other spamAPIs. Our extensive IP address analysis allows you to detect and block spam right at the source. Advanced analysis tools to detect and assess potential spam content. Our multi-stage process validates and verifies emails. SpamCheckAI does not only identify and block spam, but also provides you with comprehensive data to make informed decisions. SpamCheckAI URL Analysis is a revolutionary tool which digs deep into your platform to uncover hidden risks. You can pass in the email address and IP if available, then any JSON object for the body. We're flexible, so you can use a few data points or a lot. SpamCheckAI puts you in control and makes spam unstoppable. SpamCheckAI can analyze a variety of content types, including emails, text content, and IP addresses.
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    FortiGuard Antispam Reviews
    Email is the most common vector used to launch advanced attacks against an organization. FortiGuard Antispam is a multi-layered solution that provides a comprehensive approach to detecting spam and filtering it. Dual-pass detection can reduce spam volume dramatically at the perimeter. This gives you unmatched control over email attacks and infections. FortiClient agents can also block spam messages from remote computers and mobile phones. In the 2015 VBSPAM Test by Virus Bulletin Fortinet's Antispam ranked as the second most effective security solution in the industry, with a rating of 99.98%. Antispam protection is highly effective in protecting your organization from threats delivered via email. Antispam filtering can be customized to your organization's needs at the domain, group or individual user levels.
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    Hexamail Guard Reviews

    Hexamail Guard

    Hexamail

    $224/10 users
    Hexamail guard is your ultimate defense from email-based threats. It has a range of advanced security features that ensure your inbox is secure and your business is protected. Our innovative multi-layer filtering technologies will protect your email infrastructure. Hexamail Guard will help you to protect your business communications and improve productivity. Intelligent Threat Detection : Hexamail Guard uses cutting-edge algorithms to identify and block spam and malicious content. Rest assured that only legitimate emails will reach your employees' mailboxes. Real-time Threat Analyses: Stay one step ahead of the game with Hexamail Guard’s real-time analysis. Our system continuously scans all incoming emails to detect emerging threats. This ensures that we can respond quickly to any evolving security risks. Customizable rule sets: Tailor Hexamail guard to your specific security requirements.
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    SpamJadoo Reviews
    Spamjadoo - Is world's First Antispam which is fully EAI (Email Address Internationalization) ready and IDN (Internationalized Domain Name) compliant software. The ULTIMATE solution to spam eradication - a comprehensive and long-lasting fix for this problem. SpamJadoo, a privacy-focused solution based upon the revolutionary ESP technology (Eliminate Spam At Protocol Level), is based upon the revolutionary ESP technology. ESP uses automated processes to create and update your trusted senders list. JMail is an innovative concept that allows you to create rules-bound email addresses. You can then give them out without compromising privacy in any situation (e.g. Subscribe to a newsletter, make an online purchase, or put your business card on it. The challenge/response method is another way to verify the sender. There are many more techniques that have been added. The result is email privacy without losing any legitimate mails.
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    Webroot Advanced Email Threat Protection Reviews
    Multi-layered filtering of both outbound and inbound emails. Protects against phishing and ransomware, Business Email Compromise, (BEC), impersonation, and other email-borne threats. You can ensure compliance with HIPAA, GDPR and other regulatory requirements. Webroot Advanced Email Threat Protection provides multilayered filtering that allows legitimate emails to pass through while also allowing inbound and outbound email to be blocked. It automatically blocks malicious threats like phishing, ransomware and impersonation, as well as spam-type messages. Email communication is often the most sensitive part of any business. Despite this, small and medium-sized businesses (SMBs), rely on email communication because it is one the most cost-effective and efficient means of global communication. Because of its ubiquitous usage and unique vulnerabilities, threat actors actively target email communications.
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    AppRiver Reviews
    You can unleash your teams to be more productive, secure, compliant, and compliant in a digital world. Secure Cloud can help you increase productivity, improve security, and strengthen compliance. Reduce the risks of human error and security-related obstacles that hinder productivity. Continuous, automated, and dynamic threat detection and risk mitigation are available. Secure file sharing, email encryption, and business communications archive (emails, instant messaging, social media) are best-in-class. All services are supported by our amazing care team 24/7/365 to help you better manage people, technology and process. Your employees, executives, and yourself will have unparalleled peace of mind with automatic email encryption and data loss prevention. Protect your email and business from malware, ransomware, and other advanced threats.
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    Introviz Reviews
    Introviz provides powerful, patented technology that combats the increasing threat of cybersecurity to corporate networks. The network entry points, such as routers, switches and firewalls, are where the battle for IT security began more than 30 years ago. Many companies have network engineers who are skilled at fighting hackers. This gives them some comfort - a false sense of security! In the last few years, the Cybersecurity battle has moved to the "backdoor entry point" - employees' web browsers! Your employees will surf on their work, home, or public networks and inadvertently bring targeted zero-day malware and trackers into your network. Anti-Virus, VPN and Firewalls, Phishing Site protection protects you against known phishing sites, viruses, and browser content. The browser is the new gateway to malware and phishing. The malware can spread from your employees' devices to your network.
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    ContentCatcher Reviews
    Our system was designed to address today's advanced threats. ContentCatcher is the ideal solution for businesses with 5 to 10,000 employees. Email remains the most important communication tool for businesses. It can be very costly to lose your email provider or server for any length of time. ContentCatcher offers a 24/7 emergency mailbox that automatically turns on when your email server or provider goes down. Our online portal allows users to access the emergency inbox. It includes a full-featured email client that can send and receive emails, allowing users to continue working with minimal disruption. Email threats can be sent to businesses of all sizes. Many bad actors don't know the size or function businesses they are targeting. A comprehensive email security solution is essential to protect your business. ContentCatcher has packages that can meet your needs now and in the future.
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    CanIt-PRO Reviews

    CanIt-PRO

    Roaring Penguin Software

    CanIt-PRO antispam email software is designed for all businesses. For complex e-mail environments, including campuses, ISPs, and enterprises. CanIt-PRO filters email efficiently, effectively, and affordably. Administrators can block spam with CanIt-PRO by configuring the system centrally and setting global policies. End-users can then access these policies via a web interface. CanItPRO users have extensive control over their spam filtering options. They can choose from a customized list of spam scanning options, such as high, medium or low. Or, they can opt for the 'Expert Interface' to get more detailed controls. CanIt-PRO is available as either a software or plug-and-play "soft application", and includes anti-virus options.
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    E-HAWK Reviews
    Block fraud sign-ups and fake leads. Our cloud API identifies fraudsters, bots and spammers, as well as high-risk users. It also links lead quality to marketing performance. E-HAWK runs hundreds of risk checks in real-time, giving you detailed insights, actionable information, as well as a way to improve your fraud detection and cybercrime detection. Registrations and free trials are a great way of attracting new users to your online community. Many are fake. They are trying to misuse your platform for fraud, spamming, identity theft, and phishing. E-HAWK automatically filters out bad actors so you can spend your time building your business and taking care of your clients. Real leads are worth their weight in gold. Invalid or fraudulent leads are difficult to reach and often a waste. Use our pre-built tests for checking for issues with email addresses, locations, IPs and domains. Before you invest in marketing resources or sales efforts,
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    DuoCircle Reviews
    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.
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    Mailinblack Reviews
    The best email protection solution in Europe to protect your employees and business from threats. Mailinblack technologies combine artificial intelligence and human intelligence. They have been recognized by companies, public institutions, and health establishments for over 15 years. Worldwide, 250 billion emails are sent each year. The vast majority of these emails contain unwanted advertising. Your employees spend an average of 5 hours a day on email, with 75% of these emails being spam. Mailinblack allows your employees to save 40 minutes each day on their email processing. How does it work? Our solution detects spam, viruses, and newsletters, and automatically sorts the messages in your messaging system. You can now take back control! 92% of businesses have been the victims of ransomware, malware, or attempted phishing attacks. The consequences can be severe and could lead to data loss, financial damage, reputation damage and lost time.
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    Mailprotector Reviews
    Mailprotector offers award-winning email experiences only through our incredible partner resellers. No plugins or apps required to use encrypted email. Bracket has made email encryption fun! Bracket will handle the rest. All you have to do is wrap brackets around [subject] in any email program on any device. Total email security that filters out all junk mail. CloudFilter provides full-stack protection against annoying spam, crippling email-based viruses and phishing attacks. It's easy to use, efficient, and effective. Protects against spam proliferation and prevents sensitive or damaging data being leaked via email. SafeSend extends CloudFilter's outbound filtering to include custom content rules and more.
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    Rspamd Reviews
    Rspamd was created to manage mail flows that have increased by more than tenfold in the past decade. Rspamd was designed to handle high-load mail systems. The development team focused on speed and performance from the beginning. Rspamd is written plainly in C language and uses a variety of techniques to run fast, especially on modern hardware. It is possible to run Rspamd on embedded devices with very restricted environments. To get a better idea of how fast Rspamd can run, you can also refer to the performance analysis article. SpamAssassin plugin can be used to make Rspamd a faster replacement for SpamAssassin's mail filter. It scans ten times as many messages with the same rules and allows you to send ten times more spam. The next graph shows how switching to Rspamd (from SA) helped reduce the CPU load on scanners. Rspamd is compatible with most mail transfer systems such as Exim, Sendmail, Haraka, Postfix, and Exim.
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    SpamCop Reviews
    SpamCop is the best service to report spam. SpamCop identifies the source of spam and reports it to the relevant Internet service provider. You can make a positive difference by reporting spam. Unsolicited email can also be reported to spam filtering systems, such as SpamCop's. The SpamCop Blocking List, (SCBL), lists IP addresses that have reported spam to SpamCop users. The SCBL is used by SpamCop, service providers, and individual users to filter and block unwanted email. The SCBL is an automatic and fast list of sites that have sent reported mail. It is fueled by automated reports and SpamCop user submissions. SCBL is time-based and allows for quick and automatic delisting when reports cease.
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    SpamAssassin Reviews

    SpamAssassin

    Apache Software Foundation

    Welcome to the Apache SpamAssassin Project's home page. Apache SpamAssassin is the most popular Open Source anti-spam platform. It allows system administrators to filter spam and block unsolicited bulk emails. It integrates a robust scoring framework with plug-ins to integrate an extensive range of advanced statistical analysis tests on email body text and headers including Bayesian filtering, DNS blocking lists, and collaborative filtering database. Are you looking for ways to improve your current installation? You can click here to see a wide range of topics in our Wiki. SpamAssassin uses a variety of network and local tests to identify spam signatures. Spammers have a harder time identifying the one aspect they can use to craft their messages.
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    GBS iQ.Suite Reviews
    With the increasing use of collaboration tools and meeting platforms such as CISCO and Microsoft, security measures must be taken. New attack vectors and gateways are becoming more common as more channels and complex IT infrastructures become available. Although most organizations are increasing their email security, they often overlook protection against malicious files that may be accessed via messenger or SharePoint. Security capabilities are often inadequate and ineffective. With a centralized cloud solution, both small and large companies can quickly respond to the ever-changing threat landscape.
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    Spamhaus Reviews

    Spamhaus

    The Spamhaus Project

    Spamhaus Project is an international non-profit organization that tracks spam and cyber threats like phishing, malware, and botnets. It provides realtime actionable threat intelligence to major Internet networks, corporations, security vendors, and partners with law enforcement agencies to track spam and malware sources around the world. Spamhaus was founded in London in 1998. It is currently based at Andorra La Vella, Andorra. The dedicated staff consists of 38 investigators, network engineers, and forensics specialists. Spamhaus reputation and realtime threat blocklists protect more than 3 billion mailboxes*. They are responsible for blocking most spam and malware sent to the Internet. Spamhaus data is used today by the majority Internet's ISPs and email service providers, corporations as well as universities, governments, military networks, and corporations.