Re: spam from "inside"

Hi

Noel Jones wrote:
> At 05:16 PM 6/6/2005, Kim Emax wrote:
>=20
>> Hello
>>
>> I=B4ve noticed that I get a lot of spam and virusmails sent from=20
>> "inside" my domain, at least that=B4s what the Received header says:

> Don't accept mail from unauthenticated hosts outside $mynetworks that=20
> use your domain as the HELO name.
> smptd_helo_restrictions =3D
> permit_mynetworks
> permit_sasl_authenticated
> check_helo_access hash:/etc/postfix/helo_access
>=20
> # helo_access
> emax.dk REJECT invalid HELO name. You are not me.

Something like that I hoped was possible :-)

> Consider not accepting mail with a bogus local sender address.
> http://www.postfix.org/postconf.5.ht...nlisted_sender
>=20
> And finally, review this to see if it may help also:
> http://www.postfix.org/BACKSCATTER_README.html

LOVELY! Thanks a lot! ;-)

/Kim