Prevent header forgery

[Monis Monther]

Hi Thom,

Is this a spamassassin config or a RULE, if a rule do you have a link to
download it.

Thanks

On Sun, Sep 2, 2018 at 12:21 PM Thom van der Boon <thom at vdb.nl> wrote:

> Hi,
>
> First you have to upgrade your system to the current versions:
>
> Mailscanner 5.1.1-1
> Spamassassin 3.4.1 (This is the latest (2015), I heard progress is being
> made on a new version)
>
> After that Spamassassin has a HEADER_FROM_DIFFERENT_DOMAINS
>
> Met vriendelijke groet, Best regards,
>
>
> Thom van der Boon
> E-Mail: thom at vdb.nl
>
>
>
> =====
>
>
>
> Thom.H. van der Boon b.v.
> Transito 4
> 6909 DA  Babberich
> Tel.: +31 (0)88 4272727 <+31884272727>
> Fax: +31 (0)88 4272789
> Home Page: http://www.vdb.nl/
>
> ------------------------------
> *Van: *"Monis Monther" <mmmm82 at gmail.com>
> *Aan: *"MailScanner Discussion" <mailscanner at lists.mailscanner.info>
> *Verzonden: *Zondag 2 september 2018 11:08:57
> *Onderwerp: *Prevent header forgery
>
> Hi,
> Is there a way to prevent users from changing the header. We do not want
> the envelope to be different than the header. (i.e: header from must match
> return-path).
>
> I am able to achieve all kinds of restrictions in postfix restrictions and
> restriction classes, but they all apply to the envelope, however when it
> comes to the header From field, then that is part of the message and the
> only place to write rules for it is header_checks. I could not find a way
> in header_checks that can achieve this. It cannot match two different
> fields and compare them.
>
> Am I missing something, Does MailScanner have a way to force this.
>
> I am using postfix 2.10.1 and MailScanner 5.0.07 and dovecot 2.2.10
>
>
>
> --
> Best Regards
> Monis
>
>
>
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>
>
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>
>

-- 
Best Regards
Monis
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mailscanner.info/pipermail/mailscanner/attachments/20180902/8f7e2f40/attachment.html>