Best Anti-Spam Software for Microsoft 365

Find and compare the best Anti-Spam software for Microsoft 365 in 2026

Use the comparison tool below to compare the top Anti-Spam software for Microsoft 365 on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    SpamTitan Reviews
    Top Pick

    SpamTitan

    TitanHQ

    $2.14/user/month
    39 Ratings
    SpamTitan email security protects businesses, schools, smbs and MSPs from spam. SpamTitan email security protects against spam, phishing, day-zero attacks and viruses, malware, ransomware and other threats to email. It helps to control mail flow, clean it, protect against spam, and protect against unwanted email. We offer easy-to-use, yet powerful email security for businesses, smbs, and MSPs that is Office365-friendly. SpamTitan Email Security is available for a free, fully supported trial. SpamTitan – Premium functionality included * CEO Impersonation protection * Spearphishing Protection/ Phishing * Link analysis * Full Sanding * Zero Day Attacks protection * Mail Spooling * Spoofing protection * Ransomware and Malware Protection * SPF/DKIM/DMARC checking * Encryption * Fully multi-tenant environment * Ability to rebrand entire UI * Full REST API * Set up documents and support SpamTitan Email Security is the best solution in the G2 Crowd Email Security. Start your free trial today!
  • 2
    N-able Mail Assure Reviews
    Top Pick
    N-able Mail Assure, a cloud-based email security system, provides advanced threat protection for both inbound and outbound emails using collective threat intelligence, long-term email archive, and 24/7 email continuity. The service offers multi-tenant web-interfaces with predefined settings, reporting and views that allow for control and visibility over all email flows. N-able Mail Assure's proprietary technology uses input from large volumes of email data to feed the Intelligent Protection and Filtering engine. This, combined with real-time pattern threat detection leveraging a variety if filtering technologies, helps protect against spam, viruses and phishing attacks as well as impersonation, malware and other email-borne threats.
  • 3
    PhishTitan Reviews
    Powerful Inline Phishing Protection for M365. Harness the power of AI and our LLM to defeat phishing. PhishTitan is next generation inline phishing protection and remediation, powered by TitanHQ, the global leaders in email cybersecurity. Our learning model and AI integrates directly with Microsoft 365, both catching and remediating sophisticated phishing and BEC attacks that Microsoft misses. It provides users with in-the-moment warning banners to help them decide whether an email is malicious or safe, continually enhancing the human firewall. Post delivery remediation (PDR) allows you to remove all of these phishing emails from your users inbox removing risk instantly. The removed email goes to the junk folder. Our curated and unique email threat intelligence data is unmatched in its simplicity, visibility, coverage and accuracy. Risk free deployment in 6 minutes. PhishTitan will filter your email to identify phishing threats and protect your users and business. That’s how you avoid that one wrong click that can lead to disaster – all it takes is 6 minutes!
  • 4
    Hornetsecurity Spam Filtering and Malware Protection Reviews
    Hornetsecurity's Email Spam Filter & Malware Protection Service has the best detection rates available. It guarantees 99.9% spam detection and 99.99% virus identification. Our Spam Filtering Service protects mail servers from DDoS attacks and phishing email. Our multi-layered spam filtering service blocks most spam emails as soon as they arrive. This keeps the quarantine clean and easy to manage. Your inbox will be free from annoying spam emails thanks to its proven features and comprehensive spam filtering mechanisms.
  • 5
    MailCleaner Reviews

    MailCleaner

    MailCleaner

    $1 per month
    1 Rating
    MailCleaner, a business anti-spam gateway, is installed between your mail infrastructure to the Internet. It provides professional protection against viruses and eliminates spam up to 99%. Email is essential for all corporate operations. However, it can also pose a risk to your company. It allows viruses, spyware, ransomware and trojan to easily access your company's computers for phishing and extortion attacks. MailCleaner is able to stop malware from reaching your employees' inboxes. Its spam filter server blocks more than 99 percent of unwanted messages. Each message is analyzed and blocked so that you only receive the important ones. MailCleaner will automatically quarantine any harmful files that are detected. This will prevent further damage. We are proud that we offer packages that are suitable for both small and large companies.
  • 6
    SecurityGateway™ for Email Servers Reviews

    SecurityGateway™ for Email Servers

    MDaemon Technologies

    $1 per user per month
    1 Rating
    Security Gateway's email threat detection technology was developed by MDaemon Technologies. This email industry pioneer has been protecting email servers against viruses, spam, phishing and other threats for more than 20 years. Our expertise is trusted by companies to keep their email communications safe. We protect all email platforms, including Microsoft Exchange, Office 365, and other. Our team of email security specialists will take the hassle out of managing your company’s email security. Security Gateway employs the most up-to-date email threat detection technology and policy enforcement tools in order to ensure good emails flow to and from your users. Security Gateway cloud service is easy to deploy, so you can focus on other important tasks. Check out this video to see some of the Security Gateway features.
  • 7
    Symantec Email Security.cloud Reviews
    Ensure the security of Microsoft Office 365, Google G Suite, and on-premises email systems by utilizing the most comprehensive email security solution available in the industry. Shield users from threats like spear phishing, credential theft, and ransomware attacks through the implementation of Email Threat Isolation. Combat pervasive email hazards such as spear phishing, ransomware, business email compromise, and spam with robust protective measures. Foil spear phishing attempts through a multi-layered defense that includes threat isolation, spam filtration, advanced email security analytics, and integrated user training and awareness programs. Defend against the latest ransomware attacks with advanced content defense strategies, sandboxing techniques, and link protection technologies that are designed to identify emerging and stealthy threats, including zero-day vulnerabilities. Counter business email compromise by employing impersonation protection, enforcing sender authentication, and implementing brand protection strategies. Enhance your brand's reputation and mitigate risks by automating the enforcement of sender authentication protocols like DMARC, DKIM, and SPF through the use of Symantec Email Fraud Protection, which addresses the practical challenges of maintaining email security effectively. By investing in these comprehensive solutions, organizations can safeguard their communications while fostering a culture of security awareness among users.
  • 8
    Spambrella Reviews

    Spambrella

    Spambrella

    $1.00
    Dynamically classify fake email. Preventively identify suspicious URLs and sandbox them. Big-data analysis can be used to accurately classify bulk mail. All this in one service that connects to Google Workspace and Microsoft 365. Spambrella's Email Security & User Awareness Training technology is used in many of the world's most successful security-conscious businesses across many continents and environments. Spambrella can help you unify your email security requirements and user awareness training needs on a global level. Spambrella is your outsourced email security team. We are able to migrate you seamlessly and have the technical expertise of all other service providers, such as Symantec.cloud, Mimecast, MxLogic. To uncover email threats to your email users, schedule a demo with our cybersecurity experts today.
  • 9
    Raptor Email Security Reviews

    Raptor Email Security

    Peregrine Computer Consultants Corporation

    $15/server/month
    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!
  • 10
    SpamBully Reviews

    SpamBully

    SpamBully

    $29.95 per year
    SpamBully intelligently identifies which emails are legitimate and which are spam by employing advanced artificial intelligence and utilizing server blacklists. Whenever you access your email, SpamBully ensures that genuine messages reach your Inbox without hindrance. You have the power to determine what gets filtered into your Inbox by selecting specific email addresses, keywords, countries, languages, and IP addresses to either allow or block. Additionally, SpamBully guarantees that any contacts stored in your address book are prioritized and delivered straight to your Inbox. You can fight against spammers by increasing their expenses, returning their spam messages, and reporting them to the originating servers as well as the FTC. For added security, you can send a unique password to unknown senders that they must enter correctly for their email to be accepted into your Inbox. Moreover, SpamBully continuously monitors Real-time Blackhole Lists for internet domains notorious for sending high volumes of spam, automatically filtering them out to keep your Inbox clean. This way, you can maintain a more organized and efficient email experience while reducing the intrusion of unwanted messages.
  • 11
    SilverSky Email Protection Suite Reviews
    Email remains the primary entry point for cybersecurity threats. Traditional signature-based antivirus and basic reputation-focused anti-spam measures fail to adequately defend against the increasingly sophisticated payloads and social engineering tactics employed today. It is essential to safeguard yourself against various threats, including ransomware, malware, phishing attacks, and business email compromise. As regulatory demands become more rigorous, implementing email security best practices is crucial to protect both your internal systems and customer information while preserving email archives. Enhance the functionality of your cloud email and collaboration tools with a focus on security. Many organizations invest in email, productivity, and collaboration solutions primarily to boost office efficiency without considering the security implications. SilverSky provides a comprehensive suite of cloud email, productivity, and collaboration tools designed with integrated security features to ensure robust protection. By prioritizing security in your digital collaboration efforts, you can create a safer work environment.
  • 12
    ContentCatcher Reviews
    Our platform has been meticulously designed to tackle the sophisticated threats that exist in today's digital landscape. Regardless of whether your organization employs 5 or 10,000 people, ContentCatcher serves as an optimal solution. Email remains the primary medium for business communication, and any downtime of your email server or provider can lead to significant financial repercussions. ContentCatcher boasts a 24/7 emergency inbox that activates automatically during outages, ensuring your operations continue smoothly. Users can access this emergency inbox through our online portal, which is equipped with a fully functional email client for sending and receiving messages, allowing for seamless continuity in work with minimal interruption. Both small and large enterprises face similar email threats, as malicious actors often target organizations without regard for their size or industry. It is crucial to have a robust email security solution in place to safeguard your business effectively. With a variety of packages available, ContentCatcher adapts to meet your current and future needs, ensuring you are always protected. Our commitment to evolving with your business ensures that you stay one step ahead of potential threats.
  • Previous
  • You're on page 1
  • Next
MongoDB Logo MongoDB