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Category: Policy Enforcement » Email

Added 2002-09-27
by josiahcarlson
PASP is a Bayesian-like spam filter that can be used as a POP3 proxy.

Added 2002-09-18
by Paul Rodger
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
Added 2002-09-18
by Juggler
The Anomy mail sanitizer is a filter designed to block email-based security risks, such as trojans and viruses. It can scan an arbitrarily complex RFC822 or MIME message and remove or rename attachments, truncate unusually long MIME header fields and sanitize HTML by disabling Javascript, etc. It uses a single-pass pure Perl MIME parser, which can make it both more efficient and more precise than other similar programs. The sanitizer has built-in support for third-party virus scanners.

Added 2002-08-28
by Ryan VanMiddlesworth
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
Added 2002-08-26
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.

Added 2002-08-12
by Frank J. Tobin
Pyzor is a collaborative, networked system to detect and block spam using identifying digests of messages.

Added 2002-07-31
by by Graham Bennett
IMAPScrape is a utility to scrape messages which match certain criteria from an IMAP server and place them in a mailbox file.

Added 2002-07-22
by Brian Warner
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.

Added 2002-07-11
by flamingcow
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.

Added 2002-07-10
by Steve Stallion
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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