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The Anomy sanitizer is what most people would call "an email virus scanner". The most important jobs that the sanitizer can do for you - it can scan email attachments for viruses. Other things it can do: - Disable potentially dangerous HTML code, such as javascript, within incoming email. - Protect you from email-based break-in attempts which exploit bugs in common email programs (Outlook, Eudora, Pine, ...). - Block or "mangle" attachments based on their file names. This way if you don't need to recieve e.g. visual basic scripts, then you don't have to worry about the security risk they imply (the ILOVEYOU virus was a visual basic program). This lets you protect yourself and your users from whole classes of attacks, instead of blocking individual exploits.

CRM114 is a system to examine incoming e-mail, system log streams, data files or other data streams, and to sort, filter, or alter the incoming files or data streams according to the user's wildest desires. Criteria for categorization of data can be by satisfaction of regexes, by sparse binary polynomial matching with a Bayesian Chain Rule evaluator, or by other means. Accuracy of the SBPH/BCR classifier has been seen in excess of 99 per cent, for 1/4 megabyte of learning text. In other words, CRM114 learns, and it learns fast.

DavMail POP/IMAP/SMTP/Caldav/Carddav/LDAP Exchange Gateway DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client (e.g. Thunderbird with Lightning or Apple iCal) with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.

This software is supposed to work as a "reference implementation" of the suggested "whoson" internet protocol. The protocol is expected to be employed on "spam relay protected" mail servers to allow traveling customers still send their email via the protected server. For this, a realtime database of "temporarily trusted" IP addresses is maintained by a special daemon program. The database may be filled by, e.g. POP/IMAP servers, and used by SMTP server. Another possible use of the protocol is to have the database filled by RADIUS/TACACS server for all dialup clients, and SMTP server using it to put the user identity into the "Received" header along with the source IP address. The protocol itself is defined in a separate document "whoson.txt".

This is an implementation of DomainKeys Identified Mail (DKIM) draft standard for the Postfix mail transfer agent. DKIM is a scheme to sign and verify e-mail messages on a per-domain basis. Details regarding the protocol and other issues related to the draft standard can be found at http://mipassoc.org/dkim/.

DSPAM (as in De-Spam) is an open-source project to create a new kind of anti-spam mechanism, and is currently effective as both a server-side agent for UNIX email servers and a developer's library for mail clients, other anti-spam tools, and similar projects requiring drop-in spam filtering.

esmtp is a user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntax. It's based on libESMTP supporting the AUTH (including the CRAM-MD5 and NTLM SASL mechanisms) and the StartTLS SMTP extensions. These are the esmtp features: * fully sendmail command line compatible, * supports the AUTH SMTP extension, with the CRAM-MD5 and * NTLM SASL mechanisms, * support the StartTLS SMTP extension, * requires no administration privileges, * individual user configuration, * does not receive mail, expand aliases or manage a queue.

Asmail is a "mail-checker" like xbiff, but with the Afterstep look & feel. It indicates the status of your mailbox. It can be put in the Wharf, execute a program on incoming mail, execute a program upon mouseclick, show animations and more...

Exilog is a tool to centralize and visualize Exim logs across multiple Exim servers with a web front end. It is used in addition to Exim's standard or syslog logging. It does not require changing Exim or its logging style.

Faces is a Gtk+ program for monitoring a list visually. Typically this is a list of incoming mail messages. IMAP and POP mailbox formats are supported. Faces has three different modes of operation: * The default will monitor for new mail. * You can monitor the whole of a mail file. * Custom monitoring. You can specify a program or shell script to run. Lots of good examples can be downloaded from: ftp://ftp.cs.indiana.edu/pub/faces/picons/src/ Audio capabilities are also provided as a conditional compilation option.