Incoming SMTP connection filtering by domain name?
Question asked by Ben Conner - 4/24/2016 at 1:43 PM
Is it possible to restrict which IP addresses can deliver mail to a domain by IP address?
I have a front-end filtering server I want to use on a gradual basis and want to see how it works before I dump all my clients on to it. 

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Andrea Free Replied
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Hi Ben!
While this cannot be done on a per domain basis, you can apply this on a server level by adding IP addresses to the Blacklist under the Security section. I believe this thread should give you more information: 
Please let me know if it helps.

Andrea Free
SmarterTools Inc.


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