Scrollout F1 vs Spamihilator

Scrollout F1 is a free email gateway that adds anti-spam and anti-virus protection to existing mail servers. It lists Microsoft Exchange, Lotus Domino, Postfix, Exim and Qmail among compatible servers, and one installation can protect unlimited domain names and email servers. Mail controls include DKIM signing and verification, SPF verification with SRS for forwarding, DMARC support and recipient checks through Active Directory or LDAP. Filtering covers executable files, malicious content, scripts, forged domains and invalid or unknown hosts. Routing features include smarthost relaying, per-domain outbound IP pools, backup delivery and fallback to alternative servers. The gateway offers separate quarantines, per-domain spam scoring, TLS 1.2 and an option to require encrypted server connections. Deployment options include Hyper-V, VMware, VirtualBox, KVM, XEN and bare metal; OpenVZ is not supported. It is available as a 64-bit ISO or install-from-scratch option, both requiring internet access during installation. The maker describes it for Linux and Windows administrators without advanced email security experience.

Spamihilator is a free Windows program positioned between an email client and the Internet to filter incoming unsolicited mail. Its Learning Filter uses Bayesian filtering, and the site says it recognizes more than 98% of spam mails. Built-in Spam Word, Link, DCC, and Rule filters can be supplemented with custom words and regular expressions. The program works with POP3 and IMAP clients, including Outlook and Mozilla Thunderbird, and uses SSL/TLS when supported by the mail server. Recognized spam is held in a Recycle Bin for restoration, and users can train the filter with spam and non-spam messages. An option can delete messages from blocked senders directly on the server before download. Plugins and add-ons can extend filtering or add functions, including DNS blacklist and SpamAssassin-header examples. The download page lists version 1.7 dated June 5, 2022, in 32-bit, 64-bit, and portable builds; not all plugins work with 64-bit. English and German are included, with a language pack adding over 30 languages.