A Makefile and set of shell scripts for turning a new OpenBSD box into a mail server with one command.
United States Postal Service APIs. I should be able to plug this into Switchboard.
A bundle of open source cryptographic software for Microsoft Windows with an installer to make it simple to set up. Includes GnuPG, WinPT and GPA (keyring managers), GPGol (a plugin for Outlook 2003), GPGee (a plugin for the Windows Explorer), and a copy of Claws (an e-mail client that uses GnuPG transparently). Also includes handbooks for newbies with crypto.
An utility written in Python that connects to an account on an IMAP server, recursively downloads everything, and stores the messages as mbox files. Useful for migration from system to system.
A public mailing list service that caters specifically to F/OSS projects and Free Culture collaboration. No ads, no censorship, no frills.
email services mailinglist librelist administration opensource programming projects alternative mail
ePOST is a distributed, serverless e-mail system that uses peer-to-peer technology to make sure that messages go where they're supposed to go. Requires no dedicated hardware, compatible with POP and IMAP clients as well as other SMTP servers.
java p2p email service storage distributed mail Byzantium
How to interactively edit the mail queue of a Postfix server to delete messages, clean up junk, or other stuff. Requires administrative access. Read the whole thing before you do anything. In fact, keep a copy of this page locally just in case.