[Exim] Refuse SMTP Connection if MX Record for connecting ho…

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Author: Rick Duvall
Date:  
To: exim-users
Subject: [Exim] Refuse SMTP Connection if MX Record for connecting host doesn't exist
Is there a way to refuse an SMTP connection if the connecting host doesn't
have an MX record in DNS? Is there a downside to doing this?

Sincerely,

Rick Duvall
Online Highways
System Administrator
(541) 997-8401 x 111