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Comparison of email clients
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===Communication and access protocol support=== What email and related protocols and standards are supported by each client. {{sort-under}} {| class="wikitable sortable sort-under sticky-header" ! style="width:12em" | Client ! [[Post Office Protocol|POP3]] <br /> fetch all messages <br />([https://www.ietf.org/rfc/rfc1939.txt RFC 1939]) ! [[Post Office Protocol|POP3]] <br /> selected by filter <br/ >([https://www.ietf.org/rfc/rfc1939.txt RFC 1939]) ! [[Post Office Protocol|POP3]] <br /> selected by user <br />([https://www.ietf.org/rfc/rfc1939.txt RFC 1939]) ! [[Internet Message Access Protocol|IMAP4]]<br />([https://www.ietf.org/rfc/rfc3501.txt RFC 3501]) ! [[Simple Mail Transfer Protocol|SMTP]]<br />([https://www.ietf.org/rfc/rfc5321.txt RFC 5321]) ! [[Network News Transfer Protocol|NNTP]]<br />([https://www.ietf.org/rfc/rfc3977.txt RFC 3977]) ! [[Lightweight Directory Access Protocol|LDAP]] v2<br />([https://www.ietf.org/rfc/rfc4511.txt RFC 4511]) ! [[Lightweight Directory Access Protocol|LDAP]] v3<br />([https://www.ietf.org/rfc/rfc4511.txt RFC 4511]) ! [[Microsoft Exchange Server|EWS]] ! [[IPv6]]<br />([https://www.ietf.org/rfc/rfc2460.txt RFC 2460]) ! [[MAPI]] |- ! {{rh}} | [[Alpine (email client)|Alpine]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} |- ! {{rh}} | [[Apple Mail]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} |- ! {{rh}} | [[Becky!|Becky! Internet Mail]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} {{r|group=Note|BECKY_frnews}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Canary Mail]] | {{no}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} |- ! {{rh}} | [[Citadel/UX|Citadel]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Claws Mail]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} |- ! {{rh2}} | [[Courier (email client)|Courier]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Elm (email client)|Elm]] | {{no}} | {{no}} | {{no}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[eM Client]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} |- ! {{rh}} | [[EmailTray]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{no}} | {{no}} | {{no}} |- ! {{rh}} | [[Evolution (software)|Evolution]] | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes2|plug-in}} | {{dunno}} | {{yes2|plug-in}} |- ! {{rh}} | [[Gnus]] | {{yes}} | {{yes}} | {{yes}}<ref>(setq gnus-select-method '(pop3 "pop.example.com")) <br / >(setq gnus-secondary-select-methods '((nntp "news.gnus.org"))) <br /> After configuring Gnus for POP3, you can use the gnus-group-get-new-news command to retrieve new messages from your POP3 server. </ref> | {{yes}} | {{yes}} | {{yes}} | {{yes}} <!---{{r|group=Note|GnusLDAP}} named ref does not exist---> | {{yes}} <!---{{r|group=Note|GnusLDAP}} named ref does not exist---> | {{no}} | {{yes}} | {{yes2|Plug-in}}<ref>{{cite web |title=w32-send-mapi.el |url=https://www.emacswiki.org/emacs/w32-send-mapi.el}}</ref> |- ! {{rh}} | [[GroupWise]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{yes}} |- ! {{rh}} | [[Hiri (email client)|Hiri]] | {{no}} | {{no}} | {{no}} | {{no}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} |- ! {{rh}} | [[Scribe Mail|i.Scribe / InScribe]] | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes}} {{r|group=Note|plugin}} | {{yes}} {{r|group=Note|plugin}} | {{no}} | {{no}} | {{yes}} |- ! {{rh}} | [[HCL Notes]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{no}} |- ! {{rh}} | [[KMail]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} {{r|group=Note|KDENNTP}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Mailbird]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} |- ! {{rh}} | [[Mailpile]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh2}} | [[Microsoft Entourage]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{partial}} | {{dunno}} | {{dunno}} |- ! {{rh2}} | [[Microsoft Entourage| Microsoft Entourage 2008, Web Services Edition]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Microsoft Office Outlook]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{dunno}} | {{yes}} | {{yes}} | {{yes}} |- ! {{rh2}} | [[Mozilla Mail & Newsgroups]] | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Mozilla Thunderbird]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{partial}} | {{partial}}<ref>Write to LDAP still missing after 10 years, [https://bugzilla.mozilla.org/show_bug.cgi?id=86405 Mozilla bug 86405]</ref> | extensible<ref>Add-ons include MesQuilla [http://mesquilla.com/extensions/exquilla/ ExQuilla Exchange Web Services (alpha)] (see also [https://addons.mozilla.org/en-US/thunderbird/addon/exquilla-exchange-web-services/ ''ExQuilla'' for Microsoft Exchange]) and [https://addons.mozilla.org/en-US/thunderbird/addon/provider-for-microsoft-exchang/ ''Provider'' for Microsoft Exchange] </ref> | {{yes}} | {{yes}} |- ! {{rh2}} | [[Mulberry (email client)|Mulberry]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} |- ! {{rh}} | [[Mutt (email client)|Mutt]] | {{yes}} | style="background: #ffffdd;" | No (possible with POP3 browser) | style="background: #ffffdd;" | No (possible with POP3 browser) | {{yes}} | {{yes}} | {{no}} ([[slrn]] looks alike) | {{partial}} (resolve real names through NSS) | {{dunno}} | {{dunno}} | {{yes}} | {{dunno}} |- ! {{rh2}} | [[Netscape Messenger]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh2}} | [[Netscape Messenger 9]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{dunno}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[MH Message Handling System|nmh / MH]] | {{yes}} | {{dunno}} | {{dunno}} | {{no}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{no}} | {{dunno}} | {{no}} |- ! {{rh}} | Opera Mail | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{dunno}} | {{yes}} | {{yes}} |- ! {{rh2}} | [[Outlook Express]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{dunno}} | {{no}} | {{dunno}} | {{no}} |- ! {{rh}} | [[Pegasus Mail]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} {{r|group=Note|pegasusaddins}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh2}} | [[Pine (email client)|Pine]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh2}} | [[Pocomail]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[RoundCube]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[SeaMonkey]] Mail & Newsgroups | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{partial}} | {{dunno}} | {{dunno}} | {{yes}} | {{dunno}} |- ! {{rh}} | [[SquirrelMail]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Sylpheed]] | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{yes}} | {{no}} |- ! {{rh}} | [[The Bat!]] | {{yes}} | {{yes}} {{r|group=Note|SelectiveDownload}} | {{yes}} {{r|group=Note|MessageDispatcher}} | {{yes}} | {{yes}} | {{yes}} {{r|group=Note|BAT_mygate}} | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} |- ! {{rh}} | [[Trojitá]] | {{no}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{no}} | {{yes}} | {{no}} |- ! {{rh2}} | [[Turnpike (software)|Turnpike]] | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh2}} | [[Vivaldi_(web_browser)|Vivaldi]] | {{yes}} | {{dunno}} | {{dunno}} | {{yes}} | {{yes}} | {{no}} | {{dunno}} | {{dunno}} | {{dunno}} | {{yes}} |- ! {{rh2}} | [[Windows Live Mail]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{yes}} | {{yes}} | {{dunno}} | {{no}} | {{yes}} | {{no}} |- ! {{rh2}} | [[Windows Mail]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} | {{no}} | {{yes}} | {{no}} |- ! {{rh}} | [[YAM (Yet Another Mailer)|YAM]] | {{yes}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{no}} | {{no}} | {{no}} | {{dunno}} | {{dunno}} | {{dunno}} |- ! {{rh}} | [[Zimbra]] | {{yes}} | {{no}} | {{no}} | {{yes}} | {{yes}} | {{no}} | {{yes}} | {{yes}} | {{dunno}} | {{dunno}} | {{dunno}} |- |-class="sortbottom" ! Client ! [[Post Office Protocol|POP3]] <br /> fetch all messages <br />([https://www.ietf.org/rfc/rfc1939.txt RFC 1939]) ! [[Post Office Protocol|POP3]] <br /> selected by filter <br/ >([https://www.ietf.org/rfc/rfc1939.txt RFC 1939]) ! [[Post Office Protocol|POP3]] <br /> selected by user <br />([https://www.ietf.org/rfc/rfc1939.txt RFC 1939]) ! [[Internet Message Access Protocol|IMAP4]]<br />([https://www.ietf.org/rfc/rfc3501.txt RFC 3501]) ! [[Simple Mail Transfer Protocol|SMTP]]<br />([https://www.ietf.org/rfc/rfc5321.txt RFC 5321]) ! [[Network News Transfer Protocol|NNTP]]<br />([https://www.ietf.org/rfc/rfc3977.txt RFC 3977]) ! [[Lightweight Directory Access Protocol|LDAP]] v2<br />([https://www.ietf.org/rfc/rfc4511.txt RFC 4511]) ! [[Lightweight Directory Access Protocol|LDAP]] v3<br />([https://www.ietf.org/rfc/rfc4511.txt RFC 4511]) ! [[Microsoft Exchange Server|EWS]] ! [[IPv6]]<br />([https://www.ietf.org/rfc/rfc2460.txt RFC 2460]) ! [[MAPI]] |}
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