[courier-users] POP3 unique-id related question

Hello,

I have problems downloading mail form my employer's mail server.
According to the fetchmail logs they use Courier, but I don't think
they will tell me the exact version - possibly a very old one, if I
check with fetchmail, it reports 2002 in the copyright info:

fetchmail: IMAP< * OK Courier-IMAP ready. Copyright 1998-2002 Double Precision,
Inc. See COPYING for distribution information

My mail client is The Bat. As fair as I know, the problem is related
to unique IDs.

Please excuse the unprofessional problem description: If I send
myself, say, three messages, they get three unique IDs. The problem is
that if I download these three messages with the client, and then send
myself three new messages, these new messages get the exact same
IDs as the three earlier messages.

The developers of the mail client claim that unique-ids shouldn't work
this way, and they should be unique across sessions.

Could you plase help me pinpoint the problem? The company is claiming
everything is perfect about their server. Can it be a
misconfiguration, or possibly an old version of Courier, which had a
bug?

--

>From the fetchmail log, first three messages:

fetchmail: 6.3.1 querying --------------- (protocol POP3) at Mon Feb 19
23:10:10 2007: poll started
[...]
fetchmail: POP3< UIDL
fetchmail: POP3< IMPLEMENTATION Courier Mail Server
[...]
fetchmail: POP3> UIDL
fetchmail: POP3< +OK
fetchmail: POP3< 1 msg.-opB
fetchmail: POP3< 2 msg.PrpB
fetchmail: POP3< 3 msg.kppB
fetchmail: POP3< .
fetchmail: 3 messages for -------------- (3509 octets)

--

Second three messages, same IDs:

fetchmail: 6.3.1 querying --------------- (protocol POP3) at Mon Feb 19
23:11:34 2007: poll started
[...]
fetchmail: POP3< UIDL
fetchmail: POP3< IMPLEMENTATION Courier Mail Server
[...]
fetchmail: POP3> UIDL
fetchmail: POP3< +OK
fetchmail: POP3< 1 msg.-opB
fetchmail: POP3< 2 msg.PrpB
fetchmail: POP3< 3 msg.kppB
fetchmail: POP3< .
fetchmail: 3 messages for -------------- (3514 octets)

Best regards,
Gergely Vandor


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