Client-Server Mail Protocols FAQ - A brief summary of POP3, SMTP, and IMAP, including pointers to sources and frequently-asked-questions sites..
Email Addressing FAQ - The user+box@host addressing FAQ. A discussion of what exactly is permissible and verifiable in an e-mail address..
The IMAP Connection - University of Washington collection of IMAP documentation and resources..
Internet Mail Consortium - Information about IMC and its members, all the Internet mail standards, and links to several IMC-hosted mailing lists..
Message Access Paradigms and Protocols - Provides background and compares the Post Office Protocol (POP) with the Internet Message Access Protocol (IMAP)..
MIME Meta-FAQ - comp.mail.mime meta-FAQ: Help for MIME problems. Pointers to information about Multipurpose Internet Mail Extensions and some answers to common problems with MIME..
