Re: [Exim] Checking Date header

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Συντάκτης: Philip Hazel
Ημερομηνία:  
Προς: Nicholas Blackaby
Υ/ο: exim-users
Αντικείμενο: Re: [Exim] Checking Date header
On Thu, 16 Dec 1999, Nicholas Blackaby wrote:

> My question is: using Exim 2.12, is it possible for me to configure
> Exim on my MTAs so that it bounces mail containing non-RFC822 compliant
> and other nonsense "Date:" headers?


Write a regular expression to match the dates that you like (may not be
easy :-). Then write a system filter to do the checking:

  if $h_date: does not match "<your regex here>" then
    fail "get your dates right, stupid!"
  endif   


> Alternatively, how do I configure
> Exim to rewrite duff "Date:" headers?


(1) By means of a transport filter.

(2) You could remove bad dates by something like this on your 
    transports, but it isn't possible to then add the corrected one.


header_remove = ${if match{$h_date:}{<your regex>}{}{date}}

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.