11.8.1 POP3 Objects
All POP3 commands are represented by methods of the same name,
in lower-case; most return the response text sent by the server.
An POP3 instance has the following methods:
- getwelcome()
-
Returns the greeting string sent by the POP3 server.
- user(username)
-
Send user command, response should indicate that a password is required.
- pass_(password)
-
Send password, response includes message count and mailbox size.
Note: the mailbox on the server is locked until quit() is
called.
- apop(user, secret)
-
Use the more secure APOP authentication to log into the POP3 server.
- rpop(user)
-
Use RPOP authentication (similar to UNIX r-commands) to log into POP3 server.
- stat()
-
Get mailbox status. The result is a tuple of 2 integers:
(message count, mailbox size).
- list([which])
-
Request message list, result is in the form
(response, ['mesg_num octets', ...]). If which is
set, it is the message to list.
- retr(which)
-
Retrieve whole message number which, and set its seen flag.
Result is in form
(response, ['line', ...], octets).
- dele(which)
-
Flag message number which for deletion. On most servers
deletions are not actually performed until QUIT (the major exception is
Eudora QPOP, which deliberately violates the RFCs by doing pending
deletes on any disconnect).
- rset()
-
Remove any deletion marks for the mailbox.
- noop()
-
Do nothing. Might be used as a keep-alive.
- quit()
-
Signoff: commit changes, unlock mailbox, drop connection.
- top(which, howmuch)
-
Retrieves the message header plus howmuch lines of the message
after the header of message number which. Result is in form
(response, ['line', ...], octets).
The POP3 TOP command this method uses, unlike the RETR command,
doesn't set the message's seen flag; unfortunately, TOP is poorly
specified in the RFCs and is frequently broken in off-brand servers.
Test this method by hand against the POP3 servers you will use before
trusting it.
- uidl([which])
-
Return message digest (unique id) list.
If which is specified, result contains the unique id for that
message in the form
'response mesgnum uid,
otherwise result is list (response, ['mesgnum uid', ...],
octets).
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