Search Results for "block"

The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning, attachment blocking, Senderbase and multiple other filter methods. Click 'Files' to download the professional version 2.8.1 build 24261. A linux(ubuntu 20.04 LTS) and a freeBSD 12.2 based ready to run OVA of ASSP V2 are...

Spey is the easy way to reduce the amount of spam you receive. It sits between your mail server and the outside world and performs greylisting and other verification checks. It needs very little configuration and no mail server setup and Just Works(TM).

FlexGuard is server software which uses a point based system to keep track of SMTP traffic and data during the SMTP session. FlexGuard is used to block SPAM attacks by preventing malicious users from sending excessive mail via the SMTP server.

Cheescloth is a security script that is used to monitor and block email being brute force sent to your mail server by zombie machines in control by spammers and hackers. It also will catch and block hackers trying to hack your server via SSH connection

Simscan enables qmail to reject viruses, spam, and block attachments during the SMTP conversation so the email never makes it into your email server. Supports ClamAV, SpamAssassin, DSpam and other virus scanners. Very efficient and written in C.

An open-source mail filter program with web-based tuning tool to deliver only wanted mail by using block/buddy lists and naive Bayesian statistical analysis. Gets POP3 mail. Uses php, sh, sendmail, html and javascript. Includes elaborate User Guide.

...Annoyance-Filter sifts mail you wish to read from junk arriving in your mailbox by an adaptive process which gives priority to mail you're interested in reading and evolves to block cleverly disguised junk mail.

This code generates SURBL zone files, used to block spams based on message body URI domains which have been previously reported to SpamCop. SURBL is currently used by SpamCopURI, a SpamAssassin 2.63 plugin. Spam is well-marked with few false positives.

junkfilter is a spam filtering program built on top of the procmail email delivery system. the goal is to create filter sets that will block as much junk email as possible while blocking the fewest legitimate messages.

Spam blocking SMTP mail server in perl. Filters are added while running. Recipients decide how to block, spam rejects "in the envelope" back where it's from, not forged return address. Less load on servers + networks as body+attatchments are not received