If you think about it, this is why the IMAP standard exists - it supports
multiple simultaneous logins.
POP3 is a very basic and simply protocol and really has no way of handling
the concept of concurrency for a single account/mailbox. You would need,
and the very least, a transaction concept
That said, initiating an IMAP and POP3 session at the same time on the same
mailbox can have rather unpredictable consequences :)
IMHO that's the reason why many servers out there allow shared POP
conncection. It is easier to handle this on one single protocol on
server level.
-- Harald
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