Auth on sbs2008 smtp

Posted on 2011-02-18
Last Modified: 2012-05-11
We have a sbs2008 server. Last night it did some hosted and no longer gets incoming email. I have done a test and when telnet  using port 25 into it it asks for a password. Is there an easy way to remove this.
Question by:q2q
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LVL 19

Expert Comment

by:Raheman M. Abdul
ID: 34924583
Have you checked your router/firewall to make sure port 25 is still forwarding to the correct IP address?

Check these services are running:

Author Comment

ID: 34924596
Yes it still forwards. I have tested public and private address of server and still asked for password.
Damn microsoft updates.
LVL 19

Expert Comment

by:Raheman M. Abdul
ID: 34924695
I seem to recall this is a problem with the authentication mode on Companyweb, and you need to change the authentication method rather than recreate the web site.

This URL may help:

I have an article here on how toresolve the common causes.  You might want to try the kernel mode authentication first:

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LVL 19

Expert Comment

by:Raheman M. Abdul
ID: 34924706
Go into the SBS Console and change/update all users security settings.

Accepted Solution

q2q earned 0 total points
ID: 34924748
I now have it working.
If anyone else every has the issue open exchange control panel and go to
Server config > hub transport and adjust the default transport at the bottom of the screen.
The on the auth tab untick erverything except TLS and basic auth.

Will then work fine.

Author Closing Comment

ID: 34958993
ms updates must have added additional security over night.

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