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Posted to users@spamassassin.apache.org by Guillaume Demillecamps <gu...@demillecamps.be> on 2019/08/01 13:46:24 UTC

conditional header rewrite ?

Hi,


I'd like to know if it's possible to rewrite a specific header  
(subject, in this case), depending on specific rules being triggered  
or not. Practical case : subject having a custom text saying "spam  
from this country" or "spam of this type", or "suspect attachment  
detected" etc...

Thanks !



Guillaume D.

Re: conditional header rewrite ?

Posted by Bill Cole <sa...@billmail.scconsult.com>.

On 1 Aug 2019, at 9:46, Guillaume Demillecamps wrote:

> Hi,
>
>
> I'd like to know if it's possible to rewrite a specific header 
> (subject, in this case), depending on specific rules being triggered 
> or not. Practical case : subject having a custom text saying "spam 
> from this country" or "spam of this type", or "suspect attachment 
> detected" etc...

Yes and no...

SpamAssassin can only rewrite "Subject", "From" or "To" headers and 
while it can use "Template Tags" (see 'perldoc 
Mail::SpamAssassin::Conf') it has no support for more complex logic.

Note that if you rewrite those headers, you will break almost any DKIM 
signature.