Re: [exim] relative 'expense' of Exiscan/SpamAssassin vs. lo…

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Autor: OpenMacNews
Data:  
A: Tom Kistner
CC: exim-users
Assumpte: Re: [exim] relative 'expense' of Exiscan/SpamAssassin vs. local_scan for simple header/body triggers?
hi tom,

thx for the reply =)

> OpenMacNews wrote:
>
>>    headers.banned
>>        containing, e.g., a random assorment of header spec'ns, ala:
>>            "X-Mailer: *Bobs Message Poster*",
>>            "Subject: *ADV:*",
>>            "From: *@*.com.dk*",
>>            "From: *@blurg.com*",
>>            "Return-Path: *@blah*",
>>            ...

>
> ${if match{$header_X-Mailer:}{.*Bobs Message Poster.*}{1}{0}}
> You get the idea. This must be either in MIME or DATA ACLs (every ACL before
> does not have the headers yet). You can also use "regex" but that will be
> slower.


that one's clear.

but, not what i'm really looking for. allow me to be "greedy" here for a
moment ...

the above is specific to a given header type. and i have to write a specific
condition for each type.

i'm looking for, abstractly,

    if  HEADER_TYPE and SPECIFIED_CONTENT are found in BAD_HEADERS.TXT then 
ACTION


where BAD_HEADERS.TXT contains the 'random assortment' of
HEADER_TYPE:SPECIFIED_CONTENT pairs, e.g.:

>>            "X-Mailer: *Bobs Message Poster*",
>>            "Subject: *ADV:*",
>>            "From: *@*.com.dk*",
>>            "From: *@blurg.com*",
>>            "Return-Path: *@blah*",


> Try "mime_regex" or "regex".


good.

> Although pattern matching eats CPU just like SA.


true, although _my_ rule would *stop* on first instance without continuing
further ... so maybe a bit quicker?

cheers,

richard