POP3 Problem?
Hello, I have exchange setup with POP3 enabled. Exchange accounts work on the internal network. If I setup a POP3 account from within the internal network it works... If I try to collect mail with POP3 from outside the network it doesn't work right. From the accounts setup in outlook the 'Test Settings' button returns success... When I 'Send/Recieve' all goes well (No Errors) but also NO MAIL. Any ideas??Thanks,Ernst.
July 12th, 2009 3:33am

are you sure that you have opened POP3 on your firewall too? try telnet to port 110 from internet and see of that responds. if so then try sending email Vinod |CCNA|MCSE 2003 +Messaging|MCTS|ITIL V3|
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July 13th, 2009 5:18pm

Ok... I can sent email. I can telnet to port 110. Since the outlook client doesn't report errors with the negotiation then isn't it safe to assume that it finds and connects to the server? If so then wouldn't the problem reside with exchange?Seems a little weird to me.Ernst.
July 13th, 2009 7:08pm

Hi,What's the version of the Exchange server? Any error message come up in the event log?ThanksAllen
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July 14th, 2009 9:58am

I am running Exchange 2003. As far as the security logs are concerned there was multiple Success Audit entries. It seems like everything is working. Is there somewhere else I should check?Here are a few lines from the Security logs... Security Success Audit Logon/Logoff 538 MYDOMAIN\xxx SERVER-G1 User Logoff: User Name:xxx Domain:mydomain Logon ID:(0x0,0x000000) Logon Type:3 Security Success Audit Logon/Logoff 538 MYDOMAIN\xxx SERVER-G1 User Logoff: User Name:xxx Domain:mydomain Logon ID:(0x0,0x000000) Logon Type:3 Security Success Audit Logon/Logoff 538 MYDOMAIN\xxx SERVER-G1 User Logoff: User Name:xxx Domain:mydomain Logon ID:(0x0,0x000000) Logon Type:3 Security Success Audit Logon/Logoff 540 MYDOMAIN\xxx SERVER-G1 Successful Network Logon:User Name:xxx Domain:mydomain Logon ID:(0x0,0x000000) Logon Type:3 Logon Process:NtLmSsp Authentication Package:NTLM Workstation Name:LAPTOP Logon GUID - Caller User Name: -Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 000.000.000.000 Source Port:58612 Security Success Audit Account Logon 680 MYDOMAIN\xxx SERVER-G1 Logon attempt by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0 Logon account:xxxSource Workstation:LAPTOP Error Code:0x0 Thanks,Ernst.
July 15th, 2009 12:11am

If you can telnet to port 110 from outside of your network you can run some more tests. Check out the link below which will help troubleshoot from the command line. You can also bring up Outlook Express or Thunderbird to try downloading mail via POP3.http://support.microsoft.com/default.aspx/kb/196748-alex
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July 15th, 2009 3:40am

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