Client-Server Mail Protocols FAQ - http://www.faqs.org/faqs/mail/mailclient-faq/
A brief summary of POP3, SMTP, and IMAP, including pointers to sources and frequently-asked-questions sites. |
Email Addressing FAQ - http://faqs.org/faqs/mail/addressing/
The user+box@host addressing FAQ. A discussion of what exactly is permissible and verifiable in an e-mail address. |
Internet Mail Consortium - http://www.imc.org/
Information about IMC and its members, all the Internet mail standards, and links to several IMC-hosted mailing lists. |
Message Access Paradigms and Protocols - ftp://ftp.cac.washington.edu/mail/imap.vs.pop
Provides background and compares the Post Office Protocol (POP) with the Internet Message Access Protocol (IMAP). |
MIME Meta-FAQ - http://www.faqs.org/faqs/mail/mime-faq/mime0/
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. |