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POP3 problem - collecting from SBS2003, cant authen user/pw

I have a SBS2003-Standard R2 , ES is patched to SP2, this morning I try to add a external user to collect mail via POP3, POP3 service is running, also restarted + restarted Info Store, the user can get as far as authenticating then error on incorrect username/password.
I have checked most settings, tried using SSL, ports 995/110/25 all opened , theres already a server genarated cert, so I thought may be POP3 also needed one, so I assigned teh same cert to the POP3, again no luck.
Few years ago I recalled doing the same thing with another company using SBS2003, the process were so straight forward that I didnt even bother to take notes.
Where have I gone wrong on this ?

The users are logging in as domain\username then password
The server POP3 is  mail.domainname.co.uk
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DuffyS40
Asked:
DuffyS40
1 Solution
 
slado2Commented:
Try to use username as user@windowsdomain instead of windowsdomain\user
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DuffyS40Author Commented:
Thanks but sadly no luck on that
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drchristopheCommented:
I presume the user is outside the network trying to POP his/her mail to home pc or somnething like that?

From the pc expericing the problem I would try a the following command "telnet servername 110" you can then type "user" enter and it will challenge you for a username then type "pass" enter and it will ask for a password. If this still doesn't let the user in try reseting the password in AD. Also has the user got POP3 enabled on the exchange settings tab in AD.

Hope this helps?
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DuffyS40Author Commented:
Hi dr
When I telnet, I get the following

+OK AVG POP3 Proxy Server 7.5.510/7.5.516 [269.19.18/1255]
user  <-- I typed this in
-ERR Invalid command   <-- result
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slado2Commented:
Uninstall antivirus software or disable POP3 checking in it, then it will work. It seems that you are using AVG and it acts as a POP3 proxy.
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Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Why are you allowing users to access your Exchange Server via POP3 anyhow?  That's really the last method you should use for remote email access.

Instead, if they don't have Outlook 2003, then they should use Outlook Web Access.  If they do have Outlook 2003, then they should be using RPC over HTTPS.

This feature must be enabled in the Configure Email and Internet Connection Wizard (CEICW -- which is linked as Connect to the Internet in the Server Management Console > To-Do List) by checking the box on the Web Services Configuration Screen for "Outlook via the Internet".

A visual how-to is here:  http://sbsurl.com/ceicw

Port 443 must be open on your router/firewall.

Then RPC over HTTPS client configuration instructions are on the server's Remote Web Workplace main menu -- linked as "Configure Outlook via the Internet" -- access the RWW Main Menu by going to http://localhost/remote from on your server.  (See http://sbsurl.com/rww for more info on RWW).

A full overview for SBS based RPC/HTTPS configurations is here:  http://sbsurl.com/rpc

But if you still are bent on enabling POP3 access, then you would need to run the CEICW and enable it there as well.

Jeff
TechSoEasy




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