Best Anti-Spam Software with a Free Trial of 2025

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!

ZeroBounce is an email verification platform that scores and delivers emails. It helps businesses improve their inbox placement. The service can detect email typos, abusive and nonexistent email accounts, spam traps, and other potentially dangerous email addresses. ZeroBounce also offers an email scoring service and a suite delivery tools to enhance email inbox placement. ZeroBounce has a military-grade security infrastructure that ensures customer data is kept safe. ZeroBounce has validated over 23 billion emails to date and serves more than 400,000 businesses in 190+ nations. It also adds 200 new clients each day. ZeroBounce validates email lists and reports that they have a 99%+ accuracy rate. They also maintain a good reputation for sending quality. ZeroBounce was ranked no. 851 on Inc. 5000, the list of fastest-growing private businesses in the United States. ZeroBounce rose to number. 40 on the list.

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.

Check Point Anti-Spam & Email Security delivers extensive safeguards for messaging systems by employing a multifaceted strategy that secures email frameworks, offers precise anti-spam measures, and shields businesses from numerous threats including viruses and malware spread through email. With an impressive spam detection accuracy of 97%, it features advanced anti-spam capabilities that utilize both content analysis and IP reputation to enhance protection. Additionally, it provides antivirus solutions that leverage both zero-hour and signature-based detection methods, ensuring robust defense. The system also includes Email Intrusion Prevention System (IPS) features to guard against Denial of Service (DoS) and buffer overflow attacks. Configuring and managing this mail security solution is straightforward, requiring minimal administrative effort. Users retain comprehensive control without needing to install additional software, as the system is designed for ease of use. Real-time detection and updates ensure that organizations receive prompt defenses against emerging threats. Furthermore, it is seamlessly integrated into the Check Point Infinity Architecture, allowing users to activate anti-spam and email security on any Check Point security gateway effortlessly. This combination of features makes it an essential tool for organizations looking to enhance their email security posture.

To rid your system of intrusive spyware, BroShield should be your primary option as it offers excellent protection against snooping and harmful viruses on your computer. Safeguard your device with BroShield's advanced protection features. This software allows you to maintain comprehensive control over internet usage, ensuring you can monitor what your children are accessing online. You have the power to restrict access to adult websites and other undesirable content, enabling you to manage how much time they spend online. With many illegal websites still operational, it’s crucial to shield your kids from exposure to sites related to pornography, gambling, and other inappropriate material, as visiting these can lead to the introduction of viruses and other unwanted issues. BroShield operates around the clock, diligently searching for viruses and threats while providing continuous monitoring to prevent potential dangers. Additionally, its intelligent fail-safe feature is specifically designed to detect any remote snooping activities, ensuring your system remains uncompromised and secure. With BroShield, you can enjoy peace of mind knowing your online environment is protected at all times.

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.

REVE Antivirus is a Cyber Security Product for Home Users and Enterprises. The REVE Antivirus product range includes the following products: REVE Antivirus REVE Internet Security REVE Total Security REVE Windows Sever Security REVE Antivirus for Mac REVE Antivirus for Linux REVE Endpoint Security The product has been certified by OPSWAT as well as VB 100. It is also Microsoft approved antivirus software.

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.

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.

SpamCheetah can be used to stop spam, malware, and viruses at the mail server level. It is very cost-effective and affordable. It acts as an SMTP proxy, stopping all types of phishing and business email compromise at SMTP. It uses a combination network-level techniques such as greylisting and greytrapping, blacklisting URL scanning, malware API tests, and more. It includes standard email gateway features such as sender and recipient based block, attachment size blocking and MIME type filtering, pattern based blocking, quarantine reports, and mail metadata reports. You can try it for 30 days. We also offer two editions: one for a single mail server and one to support multiple mail servers. We offer ISO download, VMWare Appliance and raw VM Download options.

This antivirus and antispam solution serves as a robust online filtering system that swiftly alleviates the time and financial burdens caused by an influx of unwanted emails. ALTOSPAM is a comprehensive SaaS tool that shields your email from spam, viruses, scams, and phishing attempts. It enables businesses with at least one domain to secure their email servers effectively. With a combination of 16 anti-spam technologies, 6 anti-virus mechanisms, and additional security features like anti-relay, anti-scam, anti-phishing, and protections against denial-of-service attacks, ALTOSPAM delivers extensive safeguards. Furthermore, this outsourced antispam and antivirus software guarantees high availability for your email services. As a holistic corporate email protection solution, ALTOSPAM implements various security layers to fortify your emails. Not only does it effectively block the majority of unwanted messages, but its antispam technology is also specifically engineered to reduce false positives significantly, ensuring that legitimate communications are not mistakenly flagged. By utilizing ALTOSPAM, businesses can enhance their email security while maintaining smooth communication.

Xeams, a secure and powerful complete email server for Windows, Linux Solaris, MacOSX, and other flavors UNIX, is available. Xeams supports SMTP and POP3, as well as IMAP. It has a powerful spam filtering engine which eliminates up to 99 percent of junk mail upon installation. It is very user-friendly because it offers a flexible approach to email.

IRONSCALES offers an API-connected, AI-driven email security and training solution to help companies defend against advanced phishing attacks. We believe that phishing is a human + machine problem that can only be solved with a human + machine solution. This unique approach sets us apart from our competitors in this space.

Make the smartest investment today to reduce email security threats. Get a comprehensive email security solution for small businesses at small business pricing. Cybercriminals are targeting CEOs and CFOs in every industry, as well as HR, Accounting, and HR departments. Office 365 has very limited protection options to prevent impersonations, email fraud, and phishing. You can only create so many custom transport rules to block domains and protect against employee impersonations. PhishProtection is compatible with every email server, device, and smtp service. We can protect you no matter where you are, whether you're on your phone, outlook, or any other email client. It provides the best security for both Android and iOS devices.

In both life and business, the guiding principle for making effective decisions is that the individual with the least number of blind spots ultimately prevails. Imagine being at a poker table where you have the advantage of seeing everyone else's cards; that's the level of insight you can gain. For those in the email industry, whether you are an email service provider, a mailbox provider, or a high-volume sender, utilizing BlackBox can be transformative. We provide exclusive access to a vast library of email addresses that have consistently shown to harm engagement and damage mailing reputations. This critical dataset enables you to conduct proactive risk assessments, helping businesses preserve their revenue. With the ability to differentiate between beneficial contacts and harmful ones, email vendors can take action before their reputation suffers irreversible harm. By employing a simple 1-to-5 scale, you can easily gauge the risk level associated with any email address or list. Our solution is further enhanced by a super-fast app and API, with the option for on-premise data, offering a robust and adaptable approach. Additionally, BlackBox is offered as a subscription that can be canceled at any time, providing flexibility for users. By utilizing our services, you’re not just protecting your reputation; you’re also making smarter, data-driven decisions.

Cloud-based applications like email, collaboration tools, and storage solutions require preventive measures for security. A robust array of defenses, including spam filtering, anti-malware scanning, anti-phishing techniques, and advanced threat protection, forms a crucial line of defense. Enhance your Microsoft 365 services—such as Exchange Online, OneDrive, Teams, and SharePoint Online—with an additional layer of sophisticated security. This setup is designed to eliminate unwanted emails, thwart targeted attacks, and mitigate ransomware threats, thereby allowing employees to concentrate on their core responsibilities and ensuring seamless business operations. Users will receive instant notifications through a dedicated console or alerts, ensuring they are always informed. Automatic protection is extended to new users as well, providing a comprehensive shield against malware, spam, and phishing threats with leading-edge zero-day defense capabilities and a user-friendly cloud management interface. With the integration of an advanced, award-winning engine that boasts enhanced performance, this vital tool effectively filters all spam, keeping user mailboxes free from unsolicited or unwanted messages while safeguarding sensitive information. Ultimately, this ensures that the organization operates securely and efficiently in a digital landscape filled with potential threats.

Safeguard your digital life from ransomware and various online threats while swiftly resolving typical issues to ensure optimal performance. Prevent scams from infiltrating your inbox and establish a secure online environment for children by setting both content and time restrictions. Effectively block hazardous websites that could compromise personal information and identify fraudulent phishing emails alongside scam sites. Experience award-winning security designed for your digital ecosystem. Trend Micro Internet Security seamlessly integrates with Windows 11, allowing you to shop, play games, and connect with others online, all while being shielded by premier defenses against emerging malware, fraud, and scams. In a world where cybercrime is relentless, your security measures must be equally vigilant. Protect your computer with continuous safeguarding against ransomware, privacy breaches, and online fraud. With strong defenses that won’t hinder your speed, you can expect minimal performance impact and solutions for common issues to keep you operating at peak efficiency. Additionally, enjoy peace of mind knowing that your digital safety is prioritized without sacrificing your device's performance.

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!

Human Presence stands out as the leading bot detection and spam prevention solution globally. It effectively halts form spam while maintaining a seamless user experience on both Shopify and WordPress platforms, requiring no coding skills. You can begin utilizing our app or plugin right away! With our Shopify shop protector app and the Human Presence plugin for WordPress, safeguarding your forms is as simple as a few clicks. Say goodbye to the hassle of recaptcha and those frustrating “I’m not a robot” checkboxes. Human Presence operates discreetly, ensuring a smooth experience for your website visitors. We take pride in providing exceptional support for all our applications and plugins, and our approachable support team is readily available to assist you through support requests or online chat. A staggering 40% of all web traffic is generated by bots, and while some serve legitimate purposes like search engine crawling, a significant portion consists of harmful entities. In fact, in 2020, 25% of all web traffic was attributed to malicious spam bots, highlighting the critical need for robust protection. As the digital landscape evolves, having reliable tools to combat these threats becomes increasingly vital for maintaining website integrity.

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.

Business email compromise (BEC), spear phishing, and account takeover are emerging as the foremost security threats confronting organizations today. These meticulously crafted attacks utilize socially engineered methods aimed at misleading employees, resulting in potentially catastrophic repercussions for companies and their reputations. Barracuda Sentinel offers a comprehensive cloud-based solution that integrates artificial intelligence, deep connectivity with Microsoft Office 365, and brand protection to effectively counteract business email compromise, account takeover, spear phishing, and various forms of cyber fraud. Central to Barracuda Sentinel is its advanced AI engine, which operates in real-time to detect and thwart socially engineered attacks while pinpointing employees who are most vulnerable. The unique API-driven architecture of Sentinel allows the AI engine to access historical email data, enabling it to understand the distinct communication patterns of each user. Furthermore, the engine employs a variety of classifiers to chart the social networks of every individual within the organization, enhancing its ability to safeguard against these threats. This multifaceted approach not only strengthens security but also fosters a culture of awareness among employees regarding potential cyber risks.

Tracking of sender behavior is done in real-time. During the filtering process, the sender's reputation will be weighed. We use spam traps all over the globe to detect new spam attacks and respond to them immediately. Never miss an important email. All spam is stored in a searchable queue. It usually takes less than 5 minutes for the entire process to be set up. SpamHero doesn't even need to know which email addresses are valid on your domain. SpamHero will learn from your domain's email addresses during your trial period. SpamHero's rule-based spam filtering system is different from other systems that rely upon fancy algorithms that spammers are able to defeat. SpamHero features millions of rules that are continuously updated and maintained by robots and live superheroes 24 hours a day. We use popular virus scanners to help us block viruses, just like other spam filtering systems.

Over 90% of targeted cyber attacks initiate through spear phishing emails, highlighting the critical need for robust mail server security. Sadly, many existing mail server security measures, like the basic built-in defenses available in Microsoft® Exchange™ 2013 and 2016, depend on outdated pattern file updates that primarily identify conventional malware. Such measures typically lack the necessary capabilities to recognize harmful URLs or document exploits that are frequently employed in targeted attacks and advanced persistent threats (APTs). In contrast, ScanMail™ Suite for Microsoft® Exchange™ effectively mitigates highly targeted email threats and spear phishing attempts by incorporating document exploit detection, improved web reputation, and sandboxing as part of a tailored APT defense strategy, advantages not provided by competing solutions. Moreover, ScanMail uniquely offers the ability to block traditional malware through advanced email, file, and web reputation technologies, along with correlated global threat intelligence sourced from Trend Micro™ Smart Protection Network™ cloud-based security, ensuring comprehensive protection for your mail server. Ultimately, choosing the right security solution is vital in safeguarding your organization against evolving cyber threats.

Prior to adopting Spam Arrest, more than 90% of our users had attempted various spam filters, yet still experienced unwanted email. Spam Arrest ensures complete protection from spam by employing a unique method that verifies relationships between you and your important contacts, thus securing the email experience for everyone involved. You can easily access your email through any POP3/IMAP-compatible application, like Outlook or Eudora, or utilize our robust webmail service to check your messages from anywhere. In addition to safeguarding your current mailboxes, you also have the option to create a new email address. Our patented challenge-response technology effectively eliminates all automated spam, providing a secure environment. The webmail interface allows convenient access to your emails via any web browser without requiring extra software installations. When you send an email using the Spam Arrest SMTP server or webmail, the recipient is automatically placed on your whitelist, facilitating seamless communication as they will not need to undergo the verification process to respond to you. This innovative approach not only enhances email security but also fosters better interactions with your contacts.

Abusix Mail Intelligence offers a cutting-edge collection of blocklists (RBL/DNSBL) designed to enhance your email security with real-time threat intelligence. Serving as the initial barrier against threats, these blocklists effectively block email-based dangers like spam and malware from infiltrating your system. By acting as your mail servers' first line of defense, Abusix enables you to conserve bandwidth and processing power that would otherwise be consumed by more resource-intensive spam and virus detection methods necessary for subsequent content filtering. Moreover, Abusix Mail Intelligence combats outbound spam by pinpointing risky or compromised accounts through our AuthBL system. Additionally, we bolster your existing filters by supplying extra data via our diverse blocklists, which include Domain, Short URL, Disk URL, Cryptocurrency Wallet, and Email categories. This comprehensive approach not only enhances your email protection strategies but also helps maintain the overall integrity of your communication systems.