| GNUMail | | GNUstep clone of NeXT's Mail.app application |
| GNUMail-pgp (V) | | Bundle for PGP support in GNUMail |
| OSBF-lua | | Lua C module for text classification |
| Pantomime | | Objective-C mail system class library |
| YoSucker | | Download mails from Yahoo webmail into mbox |
| akonadi | | The KDE PIM Storage Service |
| alpine | | Program for Internet News and E-mail |
| amavis-perl | | Mail virus scanner |
| 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 | | GNOME2 EMail client |
| bbdb (V) | | Insidious Big Brother DataBase, a rolodex-like database Emacs program |
| bbmail | | Mailbox monitor (not only) for the blackbox windowmanager |
| 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 | | X based e-mail and netnews client |
| 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-cachesaver | | Saves Claws-Mail metadata every 60 seconds |
| claws-mail-dillo-viewer | | Plugin to use the Dillo web browser for html rendering |
| claws-mail-fetchinfo | | Inserts headers containing some download information |
| claws-mail-gtkhtml | | Renders HTML mail using the gtkhtml2 rendering widget |
| claws-mail-mailmbox | | Handles mailboxes in mbox format |
| 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-synce | | Synchronize addressbook of a Windows CE with Claws Mail |
| claws-mail-tnef | | Handles TNEF attachments from Outlook |
| claws-mail-trayicon | | Places an icon in the system tray for new mail |
| 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 |
| cucipop | | The Cubic Circle POP3 mail server |
| cue | | Mh-e like mail user agent |
| cyrus-imapd | | Cyrus IMAP server |
| cyrus-imapd23 | | Cyrus IMAP server |
| 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 implementation of DomainKeys for sendmail |
| dkim-milter | | Open source DKIM filter software from Sendmail, Inc |
| dot-forward | | Reads sendmail's .forward files under qmail |
| dovecot | | Secure IMAP and POP3 server |
| dovecot2 | | Secure IMAP and POP3 server |
| dovecot2-pigeonhole | | Support for the Sieve language and the ManageSieve protocol |
| 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 |
| etpan | | Mail console client with S/MIME and PGP support |
| evolution | | GNOME mailer, calendar, contact manager, and communications tool |
| evolution-data-server | | Evolution data server |
| evolution-exchange | | Support for Microsoft Exchange 2000 and 2003 in Evolution |
| evolution-rss (V) | | Evolution rss reader plugin |
| evolution-sharp | | .NET language binding for various Evolution libraries |
| 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 |
| fetchmail | | Batch mail retrieval/forwarding utility for pop2, pop3, apop, imap |
| fetchmailconf | | Configuration tool for fetchmail |
| fetchyahoo | | Download mails from Yahoo webmail into mbox |
| fix-mime-charset | | Correct MIME charset type in mail headers |
| fml | | FML mailing list server development version |
| fml4 | | FML mailing list server |
| freepops | | POP3 gateway to AOL, Gmail, Hotmail, Juno, Yahoo, etc |
| fromto | | Sendmail logfile viewer |
| getmail | | Secure, flexible, reliable fetchmail replacement |