Postfix on BSD

[Ean Kingston]

On June 16, 2005 11:54 am, Bart Silverstrim wrote:
> Probably off-topic, but it's a sysadmin question that maybe someone on
> the list could send a quick blurb answer about :-/
>
> I'm trying to filter some mail coming into Postfix based on the body
> content.  I have the line
>
> body_checks = regexp:/usr/local/etc/postfix/body_checks
>
> in main.cf.  The file contains:
> ********
> # Will this stop RR collateral damage messages?
> /^* This e-mail was sent from a Road Runner IP address. As part of our
> continuing initiative to stop the spread of malicious viruses, Road
> Runner scans all outbound e-mail attachments./       REJECT Possible
> automated RoadRunner mail scanning collateral damage. Eliminate the
> notifying text and resend message.
>
> # Borrowed check lines
> /^This e-mail, in its original form, contained one or more attached
> files that were infected with a virus, worm,/ REJECT Email reporting
> virus detected
> /^This e-mail in its original form contained one or more attached files
> that were infected with the / REJECT Email reporting virus detected
> **********
>
> The files are owned root, wheel with rwrr, so it should be readable by
> the postfix processes.  I do a "postfix reload", send an email from the
> Internet to this mail server containing the key phrase(s), and they
> seem to go right through!  Am I missing something? 

Yes you are missing something. Postfix does not do multi-line expression 
matching.

> I (have, am) going 
> through docs and examples to try to figure it out...but any hints from
> people on the list using postfix would be appreciated.  The logs aren't
> showing any error messages from postfix on reload (or start/stop).
>
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-- 
Ean Kingston

E-Mail: ean AT hedron DOT org
URL: http://www.hedron.org/
I am currently looking for work. If you need competent system/network 
administration please feel free to contact me directly.