| abook | | addressbook program with mutt support |
| adcomplain | | complain about SPAM |
| akpop3d | | small and secure POP3 daemon |
| alpine | | UW e-mail client |
| amavisd-new | | interface between mailer MTA and content checkers |
| archivemail | | archive and compress your old email |
| asmail | | biff-type program, designed to match AfterStep |
| avenger | | anti-spam SMTP server |
| bmf | | easy to use Bayesian spam filter |
| bogofilter | | bayesian spam filter |
| bulk_mailer | | speed mail delivery by sorting & batching addresses |
| clamnailer | | generate ScamNailer spear phishing database in ClamAV format |
| clamsmtp | | SMTP virus filter |
| claws-mail | | mail and news client |
| claws-mail-cachesaver | | cache saver plugin for Claws Mail |
| claws-mail-htmlviewer | | HTML renderer plugin for Claws Mail |
| claws-mail-notification | | notification plugin for Claws-mail |
| claws-mail-pdfviewer | | pdf and ps viewer plugin for Claws Mail |
| claws-mail-rssyl | | RSS aggregator plugin for Claws-mail |
| claws-mail-vcalendar | | groupware plugin for Claws-mail |
| cmail | | simple mail counter |
| courier-authlib | | authentication library for courier |
| courier-imap | | imap server for maildir format mailboxes |
| cucipop | | Cubic Circle's POP3 daemon |
| cue | | mh-e like mail user agent |
| cyrus-imapd | | Cyrus IMAP server |
| dkim-milter | | DKIM milter |
| dovecot | | compact IMAP/POP3 server |
| drac | | dynamic relay authorization control daemon |
| dspam | | anti-spam filter |
| elm | | once-popular mail user agent |
| enigmail | | GnuPG extension for Thunderbird |
| enigmail-seamonkey | | GnuPG extension for SeaMonkey |
| evolution | | integrated email and PIM software for GNOME |
| evolution-exchange | | Evolution connector for MS Exchange |
| evolution-plugin-rss | | RSS-reader plugin for GNOME |
| evolution-plugin-webcal | | webcal(endar) handler for GNOME |
| exim | | flexible mail transfer agent |
| exmh2 | | Tcl/Tk interface to the MH mail system |
| extsmail | | robust sending of e-mail to external commands |
| faces | | visual mail, user and print face server |
| fdm | | fetch, filter and deliver mail |
| femail | | simple SMTP client |
| fetchmail | | mail retrieval utility for POP2, POP3, KPOP, IMAP and more |
| getmail | | IMAP/POP3/SDPS mail retriever |
| gmime | | MIME messages creation and parsing library (v2.2) |
| gmime24 | | MIME messages creation and parsing library (v2.4) |
| grepmail | | search mailboxes for a particular email |
| greyscanner | | greytrapping daemon to compliment OpenBSD spamd |
| hashcash | | hashcash anti-spam / denial of service counter-measure tool |
| hypermail | | generate a cross-referenced HTML mail archive |
| imap-uw | | University of Washington IMAP4rev1/POP2/POP3 mail servers |
| imapfilter | | remote IMAP filtering utility |
| imapproxy | | caching IMAP proxy to be used with webmail clients |
| imapsync | | IMAP synchronization tool |
| imp | | highly configurable pop3/imap4 webmail client |
| ingo | | mail filter rules for imp |
| isync | | synchronize IMAP4 and maildir mailboxes |
| kbiff | | new mail notification utility for KDE |
| kpoppassd | | pop password changing daemon using KerberosV |
| ldapvacation | | return 'I am not here' indication stored in a LDAP tree |
| libetpan | | mail purpose library |
| libspf2 | | SPF library |
| mail-notification | | mail notification for freedesktop.org-compliant system trays |
| mailcrypt | | emacs interface to PGP and GnuPG |
| maildrop | | mail delivery agent with filtering abilities |
| mailgraph | | RRDtool frontend for Postfix statistics |
| mailman | | mailing list manager with web interface |
| mailscanner | | virus/spam scanning framework |
| mairix | | program for indexing & searching email |
| majordomo | | mailing list manager |
| mboxgrep | | scan mailboxes for messages matching a regular expression |
| metamail | | MIME implementation |
| mew | | emacs-based mail client |
| milter-greylist | | greylist milter |
| milter-regex | | sendmail milter plugin for regular expression filtering |
| milter-spamd | | sendmail milter plugin for SpamAssassin spamd |
| mimedefang | | mailfilter to identify and mark spam |
| mini_sendmail | | accept email on behalf of real sendmail |
| mixmaster | | client for anonymous remailing |
| mlmmj | | mailing list manager |
| movemail | | move your mail box to another location |
| mozilla-thunderbird | | redesign of Mozilla's mail component |
| msmtp | | SMTP plugin for MUAs |
| nail | | enhanced, MIME capable Berkeley Mail |
| nmh | | new MH mail handling program |
| nmzmail | | fast maildir search engine |
| offlineimap | | powerful IMAP/Maildir synchronization and reader support |
| openwebmail | | highly configurable webmail client |
| osbf-lua | | lua text classification module and anti-spam solution |
| p5-Catalyst-Plugin-Email | | send emails with Catalyst |
| p5-Email-Abstract | | unified interface to mail representations |
| p5-Email-Address | | RFC 2822 Address Parsing and Creation |
| p5-Email-Date | | find and format date headers |
| p5-Email-Date-Format | | produce RFC 2822 date strings |
| p5-Email-Filter | | library for creating easy email filters |
| p5-Email-Folder | | read an email folder as Email::Simple objects |
| p5-Email-FolderType | | determine email folder type |
| p5-Email-LocalDelivery | | deliver a piece of mail locally |
| p5-Email-MessageID | | generate world unique message-ids |
| p5-Email-MIME | | handle MIME messages |
| p5-Email-MIME-Attachment-Stripper | | strip the attachments from an e-mail |
| p5-Email-MIME-ContentType | | parses a MIME Content-Type Header |
| p5-Email-MIME-Creator | | Email::MIME constructor for starting anew |
| p5-Email-MIME-Encodings | | unified interface to MIME encoding and decoding |
| p5-Email-MIME-Modifier | | easily modify MIME objects |
| p5-Email-Reply | | module to generate replies to e-mail messages. |
| p5-Email-Send | | simply sending email |
| p5-Email-Sender | | library for sending email |
| p5-Email-Simple | | simple module for handling email messages |
| p5-Email-Valid | | check validity of Internet email addresses |
| p5-Email-Valid-Loose | | allows non RFC822 addresses common in japan |
| p5-FuzzyOcr | | detect image spam with SpamAssassin |
| p5-GetLive | | automatically fetch hotmail.com email |
| p5-Gmail-IMAPD | | imap4 gateway to Google webmail service |
| p5-Log-Procmail | | perl module for reading procmail logs |
| p5-Mail-Alias | | manipulates e-mail alias files of various formats |
| p5-Mail-Audit | | library for creating easy mail filters |
| p5-Mail-Box | | perl module to manage mail folders |
| p5-Mail-DKIM | | DKIM and DomainKeys message-signing implementation |
| p5-Mail-GnuPG | | handle GnuPG-encrypted/signed messages |
| p5-Mail-IMAPClient | | perl module for an IMAP Client API |
| p5-Mail-IMAPTalk | | IMAP client interface with lots of features |
| p5-Mail-Mbox-MessageParser | | fast and simple mbox folder reader |
| p5-Mail-POP3Client | | perl module to talk to a POP3 (RFC1081) server |
| p5-Mail-Sender | | send mail with attachments through SMTP |
| p5-Mail-SpamAssassin | | mailfilter to identify and mark spam |
| p5-Mail-SPF-Iterator | | iterative SPF lookup |
| p5-Mail-SPF-Query | | perl module to query Sender Policy Framework |
| p5-Mail-Tools | | modules for handling mail with perl |
| p5-Mail-Webmail-Gmail | | interface to Google webmail service |
| p5-MIME-Base32 | | Base32 encoder/decoder |
| p5-MIME-Charset | | charset Informations for MIME |
| p5-MIME-EncWords | | perl module to deal with RFC 2047 encoded words |
| p5-MIME-Lite | | low-calorie MIME generator |
| p5-MIME-Lite-HTML | | transform a HTML page in a MIME-Lite mail |
| p5-MIME-tools | | modules for parsing (and creating) MIME entities |
| p5-MIME-Types | | perl module to manage MIME types |
| p5-SMTP-Server | | implements a complete, RFC compliant SMTP server |
| pear-Mail | | class that provides multiple interfaces for sending email |
| pear-Mail-Mime | | classes to create and decode MIME messages in PHP |
| pear-Mail-mimeDecode | | class to decode mime messages |
| pear-Mime-Type | | utility class for dealing with MIME types |
| pecl-mailparse | | PHP extension for parsing and working with rfc822/MIME mail |
| perdition | | fully featured POP3 and IMAP4 proxy server |
| pflogsumm | | Postfix log entry summarizer |
| pgpsendmail | | PGP sign/encrypt/decrypt messages automatically |
| pine-pgp-filters | | simple shell based filters to use GnuPG within (Al)Pine |
| popclient | | client for pop2, pop3, apop, rpop |
| poppassd | | server: allow users to change password from within Eudora |
| poppy | | client to perform simple tasks with a POP3/IMAP server |
| postgrey | | postfix greylist daemon |
| prepop | | simple interactive POP3 client |
| procmail | | filtering local mail delivery agent |
| py-milter | | Python interface to sendmail milter API |
| py-policyd-spf | | external SPF policy checker for postfix |
| py-spf | | Sender-Policy-Framework queries in Python |
| pyzor | | collaborative, networked system to detect and block spam |
| razor-agents | | agent for Razor spam filtering networks |
| relaydb | | spam relay database |
| roundcubemail | | imap4 webmail client |
| ruby-actionmailer | | easy email delivery and testing for ruby |
| ruby-mailfactory | | simple creation of MIME email messages in Ruby |
| ruby-mime | | MIME library for Ruby |
| ruby-mime-types | | MIME type library for Ruby |
| ruby-rmail | | Ruby library to create and parse MIME messages |
| signify | | dynamic .signature generator |
| sma | | Sendmail Log Analysis Report |
| smsmail | | LDAP enabled MDA to deliver mails as SMS |
| smtp-vilter | | sendmail milter to scan messages for viruses and spam |
| smtpclient | | simple SMTP client |
| solid-pop3d | | flexible POP3 server |
| spambayes | | statistical anti-spam filter |
| sqlgrey | | postfix greylist daemon |
| swaks | | swiss army knife SMTP transaction tester |
| sylpheed | | mail/news client in gtk+ |
| teapop | | POP3-server with virtual domain support |
| thunderbird-i18n | | |
| tkrat | | mail user agent for X in C with a Tcl/Tk frontend |
| tmda | | reduce the amount of SPAM/UCE (junk-mail) |
| tnef | | decode MS-TNEF MIME attachments |
| vrfy | | verify email addresses and mailing lists |
| wmbiff | | multiple mailbox checker dockapp |
| wmmail | | wm-dockapp; mail notifier |
| wmmultipop3 | | wm-dockapp; multiple pop3 mailbox checker |
| wmpop3 | | wm-dockapp; POP3 mail check |
| xfaces | | mail image display for X11 |
| xfmail | | xforms-based mail application for Unix |
| xlbiff | | display from/subject from incoming mails using X11 |
| z-push | | ActiveSync protocol implementation |
| mutt | | Subfolder |
| postfix | | Subfolder |
| zarafa | | Subfolder |