Is is possible to disable port 25 authentication in SM?
Question asked by Ben Conner - 9/27/2017 at 8:39 AM
Unanswered
Hi,
I recently found that some of my users are still using port 2 rather than 587 to authenticate.  Is it possible to disable authentication on port 25?
 
Thanks!
 
--Ben

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0
Ben Conner Replied
Whups. That should have read ...using port 25.
0
Linda Pagillo Replied
 
Does that help? Thanks.
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Office: 703.988.3606

Authorized Reseller of SmarterTools Products
Authorized Reseller of Message Sniffer
0
Ben Conner Replied
Hi Linda,

That's close, but the member there wanted to block port 25. I can't do that as I send/receive mail from other servers. What I want to to is disable just authenticated access on port 25, leaving it open for non-authenticated traffic coming from other servers.

Thanks!

--Ben
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Linda Pagillo Replied
Understood. I'm not sure if this is possible. I'm hoping that SM support will chime in here and let us know for sure.
Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com
Office: 703.988.3606

Authorized Reseller of SmarterTools Products
Authorized Reseller of Message Sniffer
0
Mark Thornton Replied
If the client authenticates using port 25 successfully, what is wrong with that? Is there a benefit to having the clients only use port 587? As long as port 25 doesn't allow relaying without authentication then I'm happy. I don't think there are different logs for smtp submissions, is there?

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