On Fri, 26 Mar 2010, Mark Goodge wrote:

> On 26/03/2010 20:54, listadecorreo wrote:
> >
> >in the last month I revived a lot of spam from user_non_ex...@mydomain
> >to user_ex...@mydomain..... can I block all received externals mails
> >from my domain to my domain...
> 
> It's very easy to block mails from fake_u...@domain to
> real_u...@domain. Just turn on sender address verification for your
> own domains. 

An easier way to block spam from f...@example.org is to use
reject_unlisted_sender.  See postconf(5).

http://www.postfix.org/postconf.5.html#reject_unlisted_sender
http://www.postfix.org/postconf.5.html#smtpd_reject_unlisted_sender

-- 
Sahil Tandon <sa...@tandon.net>

Reply via email to