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Category: Policy Enforcement » Email
PASP is a Bayesian-like spam filter that can be used as a POP3 proxy.
archivemail is a tool written in Python for archiving and compressing old email in mailboxes. It can move messages older than the specified number of days to a separate mbox-format mailbox that is compressed with gzip, or optionally just delete old email. It supports archiving mbox, MH, and maildir format mailboxes.
the Anomy mail sanitizer
batemail is a Perl script that you slip between your MTA (e.g. Sendmail) and your local mailer (e.g. Procmail) to strip potentially nasty attachments from email messages. It takes input on STDIN, removes executable MIME attachments, and gives the result to the local mailer. The criteria for a taboo attachment are that the filename ends in one of several "blacklisted" extensions (EXE, VBS, etc.).
Password Policy Enforcer
Password Policy Enforcer allows network administrators to create and enforce a password policy. A password policy ensures that users are choosing strong (difficult to crack) passwords. PPE checks every new password for compliance with the policy. Passwords that do not comply with the policy are rejected. PPE also displays password policy messages that help users to choose compliant passwords without having to call the helpdesk for assistance.
Pyzor is a collaborative, networked system to detect and block spam using identifying digests of messages.
IMAPScrape is a utility to scrape messages which match certain criteria from an IMAP server and place them in a mailbox file.
Mailcrypt is an Emacs Lisp package which provides a simple interface to public key cryptography with PGP/GPG. Mailcrypt makes strong cryptography a fully integrated part of your normal mail and news handling environment.
MessageWall is an SMTP proxy. It sits between the outside world and your mail server and keeps out viruses, spam, and mail relaying. It offers filtering via header and body checks, DNS-based blacklists for IP addresses (DNSBL) and domains (RHSBL), DNS-based distributed checksumming (DNS DCC) similar to Vipul's Razor, and Open AntiVirus pattern scanning. Unlike many existing ISP-level filtering solutions, it offers customization of filtering features on a per-address basis. Unlike SpamAssassin, it communicates via SMTP, so it works with any MTA. It also supports scoring based on rules with a rejection threshold; this allows hybrid warning/rejection configurations based on how many and which rules a message matches.
qmail-monitor is a patch to qmail that offers mail monitoring (duplication) functionality on both incoming and outgoing SMTP traffic. the monitor ruleset is intuitive and allows the administrator to make changes without restarting the server processes.
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