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Cannot connect to POP3/IMAP 4 on exchange 2003 server

Posted on 2008-10-23
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Last Modified: 2009-10-15
I am trying to setup POP3/IMAP4 on our existing exchange server.

POP3 and IMAP4 are enabled and running but I get the following error when I try to connect to the server using Outlook

Tack POP  Receiving reported error (0x800CCC92) : Your e-mail server rejected your login. Verify your user name and password in your account properties. Under tool, click E-mail accounts. The server responded: - ERR Logon failure: unknown user name or bad password.

All users can currently connect to the exchange server via SMTP with no problems at all so I cant see it being the username or password.

Any help would be greatly appreciated.
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Question by:CaptainGiblets
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Expert Comment

by:sjepson
ID: 22784572
You will need to specify the DOMAIN\user format of your username.

Use telnet to test and see what responses you get...

C:> telnet servername 110
+ ok server ready
user domain\username
+ok
pass password
+ok
list
+ok nn messages
1 1023
2 2098
3 333444
4 546
etc.
+ok
quit

Steve
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Author Comment

by:CaptainGiblets
ID: 22784587
I get +OK for the user name
but i get -ERR Protocol error. for the password.

its the same password i use to logon to my account and to access my SMTP mails on the same server.
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Accepted Solution

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CaptainGiblets earned 0 total points
ID: 22786132
Fixed it!

POP3/IMAP4 run off the mail box alias not the user name if there is a space in it.
i just changed the username to the alais and its all good :)
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Expert Comment

by:erocon
ID: 25583241
Hello CaptainGiblets:

I'm having the same issue, what do you mean by run off the mail box alias?

Can I get a little more details to solve this issue as well.

Thanks
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Expert Comment

by:erocon
ID: 25583357
I figure it out as well.

Thanks.
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