Top Free Email Anti-spam Software

Check out our list of free Email Anti-spam Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all Email Anti-spam Software to ensure you get the right product.

Results: 14
(171)4.6 out of 5
Entry Level Price:$1 PUPM

SpamTitan Email Security identifies and prevents email spam, viruses via email, malware, malicious links, phishing attacks, spoofing and other email borne malicious threats. We provide advanced email security for your business or msp without making it complicated. Inbound and outbound scanning with AI driven real time threat intelligence. SpamTitan Email Security is built for the SMB and SME markets, businesses using Office 365, managed service providers and the education sector. Email Securi

Mainly what would stand out most: Relationship quality price. Read review
The user portal works well, the interface for configurations work ok. Support is mediocre at best. Read review
(158)4.8 out of 5
Optimized for quick response

Avanan catches the advanced attacks that evade default and advanced security tools. Its invisible, multi-layer security enables full-suite protection for cloud collaboration solutions such as Office 365™, G-Suite™, and Slack™. The platform deploys in one click via API to prevent Business Email Compromise and block phishing, malware, data leakage, account takeover, and shadow IT across the enterprise. Avanan replaces the need for multiple tools to secure the entire cloud collaboration suite.

Biggest selling point was true API integration into our O365 tenant, protecting not only email but Sharepoint, Teams, etc. During the demo I felt... Read review
Ron F.
Simplicity of installation and ease of use across enterprise Read review
(51)4.3 out of 5
Optimized for quick response

SolarWinds® Mail Assure's cloud-based email security helps you and your customers stay in control and protect inbound and outbound email using collective threat intelligence, 24/7 email continuity, and long-term email archiving. Proprietary filtering technology incorporates input from processing large volumes of email data that feed into our Intelligent Protection and Filtering engine. This, combined with real-time pattern threat recognition and machine learning technology, helps protect users

The main SolarWinds MSP Mail Assure advantage over its competitors is the price for this product. Read review
It's priced really well compared to a lot of the competition and cuts out a lot of complicated features that many users simply do not need Read review
(32)4.5 out of 5
Optimized for quick response
Entry Level Price:$150/yr For 5 users

Security Gateway protects all email platforms including Microsoft Exchange, Office 365, and others. Let our team of email security experts take the headache out of managing your company's email security needs. Security Gateway uses the latest email threat detection technology and policy enforcement tools to keep good emails flowing to and from your users. Security Gateway can be deployed as an on-premise solution, or our cloud service can be deployed quickly and easily, allowing you to focus on

- Ease of deployment and Setup - The comfort of using and sending emails without considering any possible threat - Anti Spam and filtration... Read review
Tim K.
SecurityGateway is a great product for multiple domains. We are a small service provider who hosts are number of email domains for our clients. We... Read review
(24)4.6 out of 5

The Area 1 Horizon anti-phishing service provides preemptive and comprehensive protection from phishing attacks. The service is the first and only performance-based security service in the industry and deploys in minutes to detect and block phishing emails, malicious links, and network command-and-control traffic that other security technologies miss.

Area 1 does a great job and understanding the difference between phishing and BEC use cases and breaking them out and filtering them from user... Read review
Their pay per phish cost model turns implementation into low risk. We installed it behind our existing spam/phish filter with the understanding it... Read review
(26)4.7 out of 5
Optimized for quick response
Entry Level Price:$275 Up to 500 User/month

Phish Protection Email Security with Advanced Threat Protection, is a cloud-based email protection suite for your businesses - that stops phishing attacks, malware, ransomware, viruses via email, malicious links, fraud, spam, spoofing and other malicious threats over email - all in real-time, and without the need to install any expensive tools or software.

I do enjoy its simplicity and the pricing. For smaller companies this is a bargain for everything you get. But by far the one thing that did bring... Read review
What we love the most is the ease of deployment. You simply point your MX records to DuoCircle and that's it, filtering begins immediately. ... Read review
(20)4.7 out of 5

SaneBox is an email management tool for businesses and individuals. Headquartered in Boston, MA, SaneBox has been helping people from all over the world take control of their email. Shopify and other great companies have leveraged the power of SaneBox to save 500+ hours a year!

Tanya S.
I love how it helps me keep a cleaner (working towards zero) inbox. I love the SaneTomorrow folder best of all, super helpful in staying focused on... Read review
Michele Z.
It takes so long to unsubscribe from newsletters I no longer want. With SaneBox it is a snap to put them into the SaneBlackHole. That is probably... Read review
(8)4.6 out of 5

Zerospam is the only cloud-based email security protection providing an unparalleled, AI-powered filtering technology, engineered by experts to be highly accurate and remarkably simple to use. The Zerospam solution was created for small and medium businesses and enterprise customers across North America and beyond because we care about your safety in an era of unprecedented cyber risk to your #1 communication method.

The administration does all the truly difficult work at a small amount of the cost of contending administrations. Incredibly low false positive... Read review
Luis J.
It offers a service that protects emails by providing security as effective as cloud services protecting it from loss of information by third... Read review
(3)5.0 out of 5
Optimized for quick response

Hornetsecurity 365 Total Protection was specially developed to secure the Microsoft 365 business environment with comprehensive protection for all 365 cloud services—including Microsoft Office 365 and Microsoft Outlook 365 email. Hornetsecurity offers two packages to meet your organization’s needs: 365 Total Protection Business—a complete security solution for Microsoft 365 customers. 365 Total Protection Enterprise—adds enhanced features and advanced protection mechanisms. With onboarding

I like that it includes all the email management tools that you need in one console: Filtering, Encryption, Signature/Disclaimer, ATP, Continuity... Read review
Steven P.
Implementation was very easy. It took just a few moments and almost no tweaking involved during the initial setup. It has been very effective... Read review
(2)4.8 out of 5

Complete B2B cloud security, compliance and phishing prevention across all popular B2B chat, email, collaboration and file sharing software. This SaaS offering solves the growing and costly enterprise problem of both collaboration and email security. The 2-year-old company based in San Jose, California uniquely addresses application and email security threat vectors by integrating machine learning and AI with a Zero-Trust Inbox and Zero-Trust Collaboration security product. Clearedin delivers

We are always looking for tools to improve our security framework, and Clearedin provided a cost effective and straightforward implementation to... Read review

Premium spam and virus protection for your domain. Without user or traffic limit. Easy setup, learning spam filter, the power of the cloud.

I started using this with one of our new customers and have loved it ever since. It stops way more spam than anything like mailprotector. I... Read review
0 ratings

The Email Security Service is an Email Security system deployed in the cloud or on-prem, suited for advanced businesses and for Telcos or Hosted Service Providers which can manage a multi-tenant system of Email Security, with network, control and security abilities, together with the adequate operation functions, such as helpdesk visibility, message analytics, and quota and user management.

0 ratings
Entry Level Price:10 USD 100 Users

Maldun Email Security Gateway (ESG) is a multi-featured mail gateway deployed in front of the mail server(s) to provide inbound email security, and after the mail servers before Internet for the outbound email security as well as other functions. Maldun ESG is powered by the next generation email security infrastructure and has the capability to filter out all sorts of email threats like spam, virus, phishing/scam, marketing/graymail. and other unwanted email messages. With the additional Maldun

0 ratings

Spameo is a spam blocker for Gmail.

Top 10 Free Email Anti-spam Software in 2021

  • SpamTitan Email Security
  • Avanan Cloud Email Security
  • SolarWinds Mail Assure
  • Security Gateway
  • Area 1 Security