Re: [Exim] Is rev-DNS checking ok?

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Author: Peter Radcliffe
Date:  
To: exim-users
Subject: Re: [Exim] Is rev-DNS checking ok?
"Sascha E. Pollok" <sp@???> probably said:
> Can they do this?


> 421-This is often caused by missing or inconsistent DNS reverse records.
> 421 Please check with your DNS administrator.
>
> Is this political correct?


Well, obviously they _can_, but I certainly wouldn't.

Blocking interatcive connections (like ftp or telnet/ssh) for mismatched
or nonexistant DNS I can understand ... but SMTP ? No.

P.

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pir                  pir@???                    pir@???