| Port | Description |
|---|
| abook | addressbook program with mutt support |
| adcomplain | complain about SPAM |
| aerc | terminal email client |
| alpine | UW e-mail client |
| altermime | utility for altering mime-encoded mailpacks |
| amavisd-new | interface between mailer MTA and content checkers |
| archivemail | archive and compress your old email |
| archiveopteryx | mail server storing messages in a database |
| asmail | biff-type program, designed to match AfterStep |
| bmf | easy to use Bayesian spam filter |
| bogofilter | bayesian spam filter |
| bulk_mailer | speed mail delivery by sorting & batching addresses |
| clamsmtp | SMTP virus filter |
| claws-mail | mail and news client |
| cmail | simple mail counter |
| courier-authlib | authentication library for courier |
| courier-imap | imap server for maildir format mailboxes |
| courier-unicode | courier unicode library |
| cucipop | Cubic Circle's POP3 daemon |
| cyrus-imapd | Cyrus IMAP server |
| dcc | bulk mail detection (Distributed Checksum Clearinghouses) |
| dkimproxy | SMTP proxy to verify or add DKIM signatures |
| dma | DragonFly Mail Agent |
| dovecot-fts-flatcurve | full text search plugin for Dovecot using Xapian |
| dovecot-pigeonhole | Sieve mail filtering for Dovecot |
| elm | once-popular mail user agent |
| evolution | integrated email and PIM software for GNOME |
| evolution-ews | evolution connector for MS Exchange via EWS |
| exim | flexible mail transfer agent |
| exmh2 | Tcl/Tk interface to the MH mail system |
| extsmail | robust sending of e-mail via external commands |
| fdm | fetch, filter and deliver mail |
| femail | simple SMTP client |
| fetchmail | mail retrieval utility for POP2, POP3, KPOP, IMAP and more |
| geary | email application built around conversations |
| getmail | IMAP/POP3/SDPS mail retriever |
| gmail-oauth2 | tool for authenticating to Gmail with OAuth2 |
| gmime30 | MIME messages creation and parsing library |
| grepmail | search mailboxes for a particular email |
| greyscanner | greytrapping daemon to complement OpenBSD spamd |
| hashcash | hashcash anti-spam / denial of service counter-measure tool |
| hypermail | generate a cross-referenced HTML mail archive |
| imapdedup | IMAP message de-duplicator |
| imapfilter | remote IMAP filtering utility |
| imapproxy | connection-caching IMAP proxy for webmail clients etc. |
| imapsync | IMAP synchronization tool |
| isync | synchronize IMAP4 and maildir mailboxes |
| ldapvacation | return 'I am not here' indication stored in a LDAP tree |
| libetpan | mail purpose library |
| libspf2 | SPF library |
| libsrs2 | SRS library |
| maildrop | mail delivery agent with filtering abilities |
| mailest | search backend for Mew with Hyper Estrairer |
| mailgraph | RRDtool frontend for Postfix statistics |
| mailman | mailing list manager with web interface |
| mailparser | wrapper for 'email' in Python's standard library |
| mailscanner | virus/spam scanning framework |
| mairix | program for indexing & searching email |
| majordomo | mailing list manager |
| mblaze | set of Maildir utilities |
| mboxgrep | scan mailboxes for messages matching a regular expression |
| mdsort | maildir sort |
| meli | terminal mail client |
| metamail | MIME implementation |
| mew | emacs-based mail client |
| milter-checkrcpt | sendmail milter plugin for recipient checking |
| 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 |
| mimetic | C++ MIME library |
| mini_sendmail | accept email on behalf of real sendmail |
| mlmmj | mailing list manager |
| movemail | move your mail box to another location |
| mozilla-thunderbird | Mozilla e-mail, calendar, rss and usenet client |
| msmtp | SMTP plugin for MUAs |
| mu | maildir indexer and searcher with emacs frontend |
| mutt | tty-based e-mail client |
| mutt-wizard | neomutt and isync configuration with good defaults |
| neomutt | tty-based e-mail client, forked from Mutt |
| nmh | new MH mail handling program |
| nmzmail | fast maildir search engine |
| notmuch | mail indexer, tagger and threader |
| offlineimap | powerful IMAP/Maildir synchronization and reader support |
| opendkim | library and milter for DKIM (Domain Keys Identified Mail) |
| opendmarc | library and milter for DMARC |
| osbf-lua | lua text classification module and anti-spam solution |
| p5-Catalyst-Plugin-Email | send emails with Catalyst |
| p5-Catalyst-View-Email | send Email from Catalyst |
| p5-Email-Abstract | unified interface to mail representations |
| p5-Email-Address | RFC 2822 address parsing and creation |
| p5-Email-Address-List | RFC close address list parsing |
| p5-Email-Address-XS | parse and format RFC 5322 email addresses and groups |
| 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-Filter-Rules | simple rules for routing mail with Email::Filter |
| 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-MIME | easy MIME message handling |
| p5-Email-MIME-Attachment-Stripper | strip the attachments from an e-mail |
| p5-Email-MIME-ContentType | parse MIME Content-Type or Content-Disposition headers |
| p5-Email-MIME-Encodings | unified interface to MIME encoding and decoding |
| p5-Email-MessageID | generate world unique message-ids |
| p5-Email-Received | parse an email Received: header |
| 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 parsing of RFC2822 message format and headers |
| 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-GMail-IMAPD | imap4 gateway to Google webmail service |
| p5-Log-Procmail | perl module for reading procmail logs |
| 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-Types | perl module to manage MIME types |
| p5-MIME-tools | modules for parsing (and creating) MIME entities |
| p5-Mail-Alias | manipulates e-mail alias files of various formats |
| p5-Mail-Audit | library for creating easy mail filters |
| p5-Mail-AuthenticationResults | object oriented Authentication-Results headers |
| p5-Mail-Box | perl module to manage mail folders |
| p5-Mail-DKIM | DKIM and DomainKeys message-signing implementation |
| p5-Mail-DKIM-Iterator | iterative DKIM validation of records or signing of mails |
| p5-Mail-DMARC | Perl implementation of DMARC |
| p5-Mail-DMARC-Iterator | iterative DMARC validation for mails |
| 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-ListDetector | Perl extension for detecting mailing list messages |
| p5-Mail-Mbox-MessageParser | fast and simple mbox folder reader |
| p5-Mail-Milter-Authentication | perl implementation of email authentication standards |
| p5-Mail-POP3Client | perl module to talk to a POP3 (RFC1081) server |
| p5-Mail-RFC822-Address | validate email addresses according to RFC822 |
| p5-Mail-SPF | perl oop implementation of Sender Policy Framework |
| p5-Mail-SPF-Iterator | iterative SPF lookup |
| p5-Mail-SPF-Query | perl module to query Sender Policy Framework |
| p5-Mail-SPF-Test | perl SPF test-suite class |
| p5-Mail-Sender | send mail with attachments through SMTP |
| p5-Mail-SpamAssassin | mailfilter to identify and mark spam |
| p5-Mail-Tools | modules for handling mail with perl |
| p5-Mail-Webmail-Gmail | interface to Google webmail service |
| p5-OpenSMTPd-Filter | easier filters for OpenSMTPd in perl |
| p5-SMTP-Server | implements a complete, RFC compliant SMTP server |
| pecl-mailparse | PHP extension for parsing and working with plain/MIME email |
| perdition | fully featured POP3 and IMAP4 proxy server |
| pflogsumm | Postfix log entry summarizer |
| pine-pgp-filters | simple shell based filters to use GnuPG within (Al)Pine |
| popa3d | tiny pop3 daemon |
| popclient | client for POP2, POP3, APOP, RPOP |
| poppy | client to perform simple tasks with a POP3/IMAP server |
| postfix-policyd-spf-perl | basic Postfix policy engine for Sender Policy Framework |
| postfwd | Postfix policy server |
| postgrey | postfix greylist daemon |
| procmail | filtering local mail delivery agent |
| py-authres | module for RFC 5451 Authentication-Results Headers |
| py-dkimpy | a library and tool that implements DKIM/ARC |
| py-email-validator | email address syntax and deliverability validation |
| py-imaplib2 | threaded Python IMAP4 client |
| 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 |
| rcube-contextmenu | roundcube plugin: context-sensitive menus |
| rcube-dkimstatus | roundcube plugin: DKIM verification status |
| rcube-dovecot_ident | roundcube plugin: log end-user IP in Dovecot using IMAP ID |
| rcube-html5-notifier | roundcube plugin: add HTML5 notifications for new mail |
| rcube-ldapAliasSync | roundcube plugin: LDAP Alias Sync |
| rcube-skin-classic | classic skin for Roundcube webmail |
| rcube-skin-larry | larry skin for Roundcube webmail |
| relaydb | spam relay database |
| rmail | forward mail received via UUCP to the local MTA |
| roundcubemail | IMAP4 webmail client |
| rspamd | event-driven spam filtering system in C/Lua |
| rss2email | convert RSS/Atom newsfeeds to email |
| rssgoemail | send RSS/Atom/Gemini feeds to email |
| ruby-mini_mime | minimal mime type implementation |
| s-nail | SysV mail/BSD Mail/POSIX mailx: send and receive mail |
| s-postgray | fast and secure postfix graylisting policy server |
| sendmail | mother of Mail Transfer Agents |
| sieve-connect | perl sieveshell-compatible ManageSieve client |
| 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 |
| spampd | SMTP/LMTP proxy for Spamassassin |
| sqlgrey | postfix greylist daemon |
| stalwart | JMAP/IMAP/SMTP server |
| swaks | swiss army knife SMTP transaction tester |
| sylpheed | lightweight and user-friendly e-mail client |
| sympa | mailing list manager with web interface |
| t-prot | filter which improves readability of email and Usenet posts |
| tnef | decode MS-TNEF MIME attachments |
| vrfy | verify email addresses and mailing lists |
| xlbiff | display from/subject from incoming mails using X11 |
| z-push | ActiveSync protocol implementation |