> Does the qmail-pop3d service lock access to the mailbox while a client
> is connected?
No.
> I have situations where the same user may attempt to
> connect from different locations simultaneously. The POP3 RFC says
> that while one connection is active, other connections to the same
> mailbox should be locked out.
POP was not meant to be used that way. What may happen is that one
qmail-pop3d returns an error if another deletes a file that was there
when the first one started.
The POP server does need to "lock" the mailbox to prevent newly
delivered messages to mess it up while the POP server is active,
however. For qmail, the Maildir storage method prevents this from
happening so there is no need for locks.
--
Gjermund Sorseth
