ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.



Scrollout F1 is described as 'Free self-hosted email gateway designed for Linux & Windows administrators without advanced email security experience' and is a Anti-Spam tool in the security & privacy category. There are more than 10 alternatives to Scrollout F1 for a variety of platforms, including Linux, Self-Hosted, Web-based, Mac and Windows apps. The best Scrollout F1 alternative is ClearOS, which is both free and Open Source. Other great apps like Scrollout F1 are SpamAssassin, Proxmox Mail Gateway, Sophos UTM and MailScanner.
ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.



Use this program to "Unspam" your mailbox(es). The program can be integrated with the mail server to automatically filter all mail for a site. It can also be run by individual users on their own mailbox and integrates with several mail programs.


Proxmox Mail Gateway is the leading open-source email security solution helping you to protect your mail server against all email threats the moment they emerge.




Sophos UTM integrates complete security software within a single appliance. Choose only the protection you need when you need it. And deploy it on the platform that best fits your business: software, hardware or virtual appliance.



MailScanner is a open source email security system design for Linux-based email gateways. It is used at over 30,000 sites around the world, protecting top government departments, commercial corporations and educational institutions.
Rspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules including regular expressions, statistical analysis and custom services such as URL black lists.




A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.


Anti-spam gateway blocks more than 99% of spam with less than one in 1 million false positives and real-time automatic updates.
Xeams is a secure and powerful mail server for that includes a powerful spam filtering engine that eliminates up to 99% of junk email right out of the box. The software offers a flexible approach to email, making it a very user friendly server.
EuropeanMX blocks incoming spam and virus emails before they are reaching your network. With our outgoing filter you can secure your server's reputation. And last but not least we are offering encrypted cloud storage to archive all your emails.




The oikik hosted antispam system is divided into multiple filtering layer that a message passes through prior to being delivered to your inbox. If a message successfully passes through every stage of filters, it gets placed into a delivery queue, and is sent along to your mail...
ALTOSPAM is an integrated SaaS software protecting your email from spams, viruses, scams and phishing. It allows companies owning at least one domain name to secure its email servers. ALTOSPAM combines 16 anti-spams technologies, 6 anti-viruses as well as other security services...


