Cyrus mail system - IMAP support
Internet Message Support Protocol daemon
Cyrus mail system - proxies and aggregator
Cyrus mail system - NNTP support
Cyrus mail system - POP3 support
Cyrus mail system - replication
Domain Keys Identified Mail Milter for Sendmail and Postfix
an SMTP-proxy that signs and/or verifies emails, using the Mail::DKIM module
DomainKeys Identified Mail (DKIM) milter in Python
lightweight mail transport agent
reads sendmail's .forward files under qmail
Dovecot plugins for training spam filters
secure POP3/IMAP server - Lua authentication plugin
secure POP3/IMAP server - core files
secure POP3/IMAP server - header files
secure POP3/IMAP server - GSSAPI support
secure POP3/IMAP server - IMAP daemon
secure POP3/IMAP server - LDAP support
secure POP3/IMAP server - LMTP server
secure POP3/IMAP server - Lucene support
secure POP3/IMAP server - ManageSieve server
secure POP3/IMAP server - MySQL support
secure POP3/IMAP server - PostgreSQL support
secure POP3/IMAP server - POP3 daemon
secure POP3/IMAP server - Sieve filters support
secure POP3/IMAP server - Solr support
secure POP3/IMAP server - SQLite support
secure POP3/IMAP server - mail submission agent
signature tool for GNU Emacs
Emacs functions for accessing tools in the mailscripts package
thread-based email index, search and tagging (emacs interface)
exciting cite utility for Emacsen
Send event reminders by email
GPG support for Thunderbird and Debian Icedove
user configurable relay-only MTA
user configurable relay-only MTA - the regular MTA
Emacs interface to Evolution Data Server
metapackage to ease Exim MTA (v4) installation
support files for all Exim MTA (v4) packages
configuration for the Exim MTA (v4)
Exim MTA (v4) daemon with extended features, including exiscan-acl
lightweight Exim MTA (v4) daemon
header files for the Exim MTA (v4) packages
monitor application for the Exim MTA (v4) (X11 interface)
extensible X user interface for MH mail
handles qmail forwarding according to a cdb database
fetching, filtering and delivering emails
SSL enabled POP3, APOP, IMAP mail gatherer/forwarder
fetchmail configurator
Retrieve mail from Yahoo!'s webmail service