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POP3D (8) UNIX Programmer's Manual POP3D (8)
NAME
pop3d -- remote maildrop access server
SYNOPSIS
/usr/sbin/pop3d
DESCRIPTION
Pop3d is a mailbox server based on the Internet RFC1225,
Post Office Protocol Version 3. The program allows remote
access to UNIX maildrops found in /private/spool/mail. The
server requires user and password verification before a
maildrop can be opened. The server can retrieve and delete
messages from the maildrop on a per-message basis.
Pop3d listens for TCP requests on port 110. Once connected
it expects single line commands terminated by a <CR-LF>.
Pop3d currently supports the following POP3 commands; the
commands are case independent. In addition, the server
supports one extension command, HOST, which allows access
to BSMTP formatted maildrops in the directory /private/spool/pop.
The syntax for the HOST command is: HOST <hostname>
Example: HOST fennario.ucdavis.edu
this will open the file at /private/spool/pop/fennario.ucdavis.edu
Command Description
USER specify user for maildrop access
PASS specify password for maildrop access
STAT give message count and size of maildrop
LIST list size of individual messages
RETR retrieve a message
DELE delete a message
NOOP do nothing, return a positive response
LAST give highest message number accessed
RSET unmark messages marked for deletion
TOP retrieve part of a message
QUIT terminate session
The remaining optional command specified in RFC1225 (RPOP)
is not implemented.
FILES
/private/spool/mail/* UNIX FromSPACE delimited maildrops
/private/spool/pop/* BSMTP formatted maildrops
SEE ALSO
pop2d(8)
AUTHOR
Katie Stevens, dkstevens@ucdavis.edu
Information Technology -- Campus Access Point
University of California, Davis
NOTES
The POP3 standard supersedes Post Office Protocol Version 2
(POP2), described in RFC937.
August 29, 1990