By Peer Hartleben, Peer Heinlein
IMAP (the net Message entry Protocol) permits consumers to entry their electronic mail on a distant server, no matter if from the workplace, a distant position, or a cellphone or different equipment. IMAP is robust and versatile, yet it's additionally advanced to establish; it's more challenging to enforce than POP3 and extra error-prone for either patron and server.
The e-book of IMAP bargains a close creation to IMAP and POP3, the 2 protocols that govern all glossy mail servers and consumers. You'll learn the way the protocols paintings in addition to tips to set up, configure, and retain the 2 preferred open resource mail platforms, Courier and Cyrus.
Authors Peer Heinlein and Peer Hartleben have organize hundreds of thousands of mail servers and supply useful tricks approximately troubleshooting error, migration, filesystem tuning, cluster setups, and password defense that can assist you extricate your self from all types of difficult events. You'll additionally find out how to:
Create and use shared folders, digital domain names, and consumer quotas Authenticate consumer facts with PAM, MySQL, PostgreSQL, and LDAP deal with heavy site visitors with load balancers and proxies Use integrated instruments for server research, upkeep, and upkeep enforce complementary webmail consumers like Squirrelmail and Horde/IMP organize and use the Sieve e-mail filter
Thoroughly commented references to the POP and IMAP protocols around out the e-book, making The publication of IMAP an important source for even the main skilled approach administrators.