| aerc | | Terminal email client written in Go |
| akonadi | | PIM layer, which provides an asynchronous API to access all kind of PIM data |
| akonadi-import-wizard | | Import data from other mail clients to KMail |
| akonadi-mime | | Libraries and daemons to implement basic email handling |
| alpine | | Program for Internet News and E-mail |
| amavisd-milter | | Sendmail milter program for amavisd-new |
| amavisd-new | | Daemonized interface between MTA and content checkers |
| anomy-sanitizer | | Mail message filter and sanitizer |
| archivemail | | Tool for archiving and compressing old email in mailboxes |
| autorespond | | Simple autoresponder add-on package for qmail |
| avenger | | SMTP server with filtering capabilities |
| balsa | | Email client using GTK3 |
| bbdb2 (V) | | Insidious Big Brother DataBase, a rolodex-like database Emacs program |
| bbdb3 (V) | | Insidious Big Brother DataBase (version 3) |
| bbmail | | Mailbox monitor (not only) for the blackbox windowmanager |
| bincimap | | IMAP server for Maildir using checkpassword |
| bmf | | Self contained and extremely efficient Bayesian mail filter |
| bogofilter | | Bayesian spam filter written in C |
| bulk_mailer | | Assist in delivery of mail to large numbers of recipients |
| clamsmtp | | SMTP filter that allows you to check for viruses |
| claws-mail | | Email client and news reader based on GTK+ |
| claws-mail-archive | | Adds archiving to Claws-Mail |
| claws-mail-attachwarner | | Warns if a message mentions an attachment without attaching files |
| claws-mail-attremover | | Permanently deletes attachments from mail |
| claws-mail-bogofilter | | Enables the scanning of incoming mail using Bogofilter |
| claws-mail-dillo | | Enables viewing HTML messages using the Dillo web browser |
| claws-mail-fetchinfo | | Inserts headers containing some download information |
| claws-mail-libravatar | | Displays libravatar/gravatar profile images |
| claws-mail-mailmbox | | Handles mailboxes in mbox format |
| claws-mail-managesieve | | Manage Sieve filters on servers that support the ManageSieve protocol |
| claws-mail-newmail | | Write log file info on arriving email |
| claws-mail-notification | | Provides various ways to notify the user of new and unread email |
| claws-mail-pgp | | Metapackage for the PGP plug-in for Claws-mail |
| claws-mail-pgpcore | | Handles core PGP functions |
| claws-mail-pgpinline | | Handles PGP/Inline signed and/or encrypted mails |
| claws-mail-pgpmime | | Handles PGP/MIME signed and/or encrypted mails |
| claws-mail-rssyl | | Read RSS 1.0, 2.0 and Atom feeds in Claws-Mail |
| claws-mail-smime | | This plugin handles S/MIME signed and/or encrypted mails |
| claws-mail-spamassassin | | Enables the scanning of incoming mail using SpamAssassin |
| claws-mail-spamreport | | Report spam to various places |
| claws-mail-tnef | | Handles TNEF attachments from Outlook |
| claws-mail-vcalendar | | Enable vCalendar message handling |
| clawsker | | Edit Claws-Mail hidden preferences |
| cone | | Console newsreader and emailer |
| coolmail | | Xbiff replacement with 3D animation and sound |
| courier-analog | | Courier log analyzer |
| courier-imap | | IMAP server for access to maildir-style mailboxes |
| courier-maildir | | Courier maildir utilities |
| courier-mta | | Courier mail transport agent |
| courier-unicode | | Implements several algorithms related to the Unicode Standard |
| cucipop | | The Cubic Circle POP3 mail server |
| cue | | Mh-e like mail user agent |
| cyrus-imapd24 | | Cyrus IMAP server |
| dbmail | | Store and retrieve mail messages in a database |
| dcc | | Anti-spam content filter |
| deforaos-mailer | | DeforaOS desktop e-mail client |
| deliver | | Local mail delivery agent with shell-script control |
| demime | | Tool to scrub mime from mailing lists |
| distribute | | Mail dispatcher for mailing list. Fits nicely with majordomo |
| dk-milter | | Open source DomainKeys filter software from Sendmail, Inc |
| dkimproxy | | SMTP proxy that signs and/or verifies emails |
| dnsbl-milter | | DNSBL Sendmail milter |
| dot-forward | | Reads sendmail's .forward files under qmail |
| dovecot2 | | Secure IMAP and POP3 server |
| dovecot2-fts-flatcurve | | Dovecot FTS Flatcurve plugin (Xapian) |
| dovecot2-gssapi | | Secure IMAP and POP3 server (GSSAPI plugin) |
| dovecot2-ldap | | Secure IMAP and POP3 server (LDAP plugin) |
| dovecot2-mysql | | Secure IMAP and POP3 server (MySQL plugin) |
| dovecot2-pgsql | | Secure IMAP and POP3 server (PostgreSQL plugin) |
| dovecot2-pigeonhole | | Support for the Sieve language and the ManageSieve protocol |
| dovecot2-sqlite | | Secure IMAP and POP3 server (SQLite plugin) |
| drac | | Dynamic Relay Authorization Control |
| dspam | | Extremely scalable, statistical-hybrid anti-spam filter |
| elm | | ELM Mail User Agent (without ME extensions) |
| elm-me | | ELM Mail User Agent with ME extensions |
| elmo | | The ELectronic Mail Operator MUA |
| enma | | Sender authentication milter supporting SPF and Sender ID |
| esmtp | | Relay-only Mail Transfer Agent with sendmail-compatible syntax |
| etach | | Emacs Lisp package for dealing with MIME email attachments |
| evolution | | Mail and calendar client from GNOME |
| evolution-data-server | | Libraries and services for storing addressbooks and calendars |
| exim | | The Exim mail transfer agent, a replacement for sendmail |
| exim-html | | HTML documentation for the Exim mail transfer agent |
| exim3 | | The Exim mail transfer agent, a replacement for sendmail |
| exmh | | X11/TK based mail reader front end to MH |
| ezmlm | | Easy-to-use, high-speed mailing list manager for qmail |
| ezmlm-idx | | Version of ezmlm with enhancements by third parties |
| faces | | Visual mail, user and print face server |
| fastforward | | Sendmail-style /etc/aliases support for qmail |
| fdm | | Fetch or receive mail and deliver it in various ways |
| feed2exec | | The programmable feed reader |
| fetchmail | | Batch mail retrieval/forwarding utility for pop2, pop3, apop, imap |
| fetchmailconf | | Configuration tool for fetchmail |
| fix-mime-charset | | Correct MIME charset type in mail headers |
| fml | | FML mailing list server development version |
| fml4 | | FML mailing list server |
| fromto | | Sendmail logfile viewer |
| getmail5 | | Secure, flexible, reliable fetchmail replacement |
| getmail6 | | Secure, flexible, reliable fetchmail replacement |
| gld | | Standalone greylisting server for Postfix |