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Courier
Jul 20, 2023
Courier SMTP IMAP POP3 HTTP mail server suite
Courier is a modular multiprotocol mail server that’s designed to strike a balance between reasonable performance, flexibility and features
- Can be configured to function as an intermediate mail relay, or as a mail server that receives mail for one or more domains, or anything in between.
- Web-based administration and configuration tool.
- Uses an efficient maildir format as its native mail storage format. Some support is provided for legacy mbox mailboxes.
- STARTTLS ESMTP extension as well as IMAP/POP3/Webmail over SSL in both the client and the server requires OpenSSL. The ESMTP client can optionally require that the remote server’s X.509 certificate is signed by a trusted root CA a default set of root CAs is provided.
- Mailboxes can be accessed via POP3, IMAP, SMAP, and HTTP.
- A faxmail gateway that forwards E-mail messages via fax.
- Courier includes a mailing list manager.
- PAM, LDAP, PostgreSQL, or MySQL authentication.
- Authenticated SMTP.
- Integrated mail filtering.
Checkout these related ports:
- Xpbiff -
- Xmailwatcher - Mailbox checker which displays sender and subject lines of mails
- Xmailbox - Mailbox checker with sound and animation for X Window System
- Xmail - X-based interface to the Berkeley mail program
- Xfce4-mailwatch-plugin - Mail notification applet for the Xfce panel
- Xfaces - Display shaped icons for mail spool contents
- Xcite - Exciting Cite for any Mail/News reading modes on Emacs
- Xbuffy - Replacement for xbiff that handles multiple mail files
- X-face-e21 - X-Face utilities for Emacs
- Wmmaiload - Incoming mail monitor dockapp with a similar look to wmcpuload
- Wmbiff -
- Whoson - Implementation of `WHO iS ONline' protocol
- Websieve - Web based Cyrus IMAP user admin client
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- Vrfy - Verify mail address