Ruleset questions

[Glenn Steen]

2008/8/14 Glenn Steen <glenn.steen at gmail.com>:
> 2008/8/14 Richard Frovarp <Richard.Frovarp at sendit.nodak.edu>:
>> How would one go about blacklisting a From email address that is did not
>> come from a subnet. Email would for this one address would only come
>> legitimately from one of my subnets. Everything else should be thrown away.
>> What would be the best way to accomplish this?
>>
>> Thanks,
>> Richard
> Apart from SPF, which I'm sure one could use to reject fakers, one
> could do as I do in postfix... I simply reject all faked senders (we
> only allow internal senders for our domain, exactly as you would
> likedo it)... A simple access map restriction on the sender...
> something like "smtpd_sender_restrictions
> permit_mynetworks,check_access regexp:/path/to/accessfile ... How one
> would do it with other MTAs... I do not know... Should be possible
> though:-).
>
> Cheers
Ah, the drawbacks of being a PF user.... Always replying to oneself...
It should be check_sender_access regexp:/path/to/access_file ...
nothing else (unless there are more ... intricate... typos in
there:-).

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se