How to block *.* HELO host.
Question asked by Troy Schultz - 3/24/2017 at 5:47 PM
Is there a way to block a host saying its name is *.* with smtp blocking?
This what the session shows.
cmd: HELO *.*
I have tried "*.*" that doesn't seem to do it.

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Matthew Shepard Replied
Not sure if you saw it but, I noticed that in the release notes for the patch on the 2nd that they have blocked this for you.
Troy Schultz Replied
Yes, I downloaded the release and implemented the rule as soon as I could. Thanks for the nudge though!
Matt Petty Replied
Employee Post Marked As Answer
SmarterMail now does this always for you. We do this check immediately when receiving the EHLO/HELO commands.
Matt Petty
Software Developer
SmarterTools Inc.
(877) 357-6278
Troy Schultz Replied
So, I don't need the rule then?

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