Re: [Exim] Trying to compare HELO data with actual host info…

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Auteur: Exim Users Mailing List
Date:  
À: Dave C.
CC: Matthew Byng-Maddick, Alan Thew, Exim List
Sujet: Re: [Exim] Trying to compare HELO data with actual host info in a filter...
[ On Monday, September 17, 2001 at 16:27:51 (-0400), Dave C. wrote: ]
> Subject: Re: [Exim] Trying to compare HELO data with actual host info in a filter...
>
> Actually, if he's doing this in a filter, that really doesnt apply,
> becuase exim will have already accepted the message.


Nothing in RFC 1123 section 5.2.5 applies w.r.t. any local security
policy decision.

> If he wants to sort or /dev/null the message after its been recieved if
> the helo doesnt match the rDNS, thats entirely up to him.


It's actually a lot better to refuse the connection instantly instead of
receiving a message and then later dropping the message in the bit bucket.
At least then a legitimate sender can be informed of a configuration
problem at their end and hopefully get it fixed.

-- 
                            Greg A. Woods


+1 416 218-0098      VE3TCP      <gwoods@???>     <woods@???>
Planix, Inc. <woods@???>;   Secrets of the Weird <woods@???>