| | RFC 1725 (rfc1725) - Post Office Protocol - Version 3 (Site not responding. Last check: 2007-10-07) |
 | | When the client issues the PASS command, the POP3 server uses the argument pair from the USER and PASS commands to determine if the client should be given access to the appropriate maildrop. |
 | | After the initial +OK, the POP3 server sends the headers of the message, the blank line separating the headers from the body, and then the number of lines indicated message's body, being careful to byte-stuff the termination character (as with all multi- line responses). |
 | | Accordingly, a POP3 server which implements both the PASS and APOP commands must not allow both methods of access for a given user; that is, for a given "USER name" either the PASS or APOP command is allowed, but not both. |
| www.faqs.org /rfcs/rfc1725.html (3827 words) |