RE: Blocking a certain domain

I already have a
main.cf: check_client_access hash:/etc/postfix/pop-before-smtp,

Can there be 2 check client access rules defined or do I separate by , ?

%-----Original Message-----
%From: owner-postfix-users@postfix.org
%[mailto:owner-postfix-users@postfix.org] On Behalf Of Ralf Hildebrandt
%Sent: Martes, 15 de Junio de 2004 03:05 a.m.
%To: 'Postfix Users List'
%Subject: Re: Blocking a certain domain
%
%* Anton Krall <akrall-lists@intruder.com.mx>:
%
%> How can I block incoming mail from a user that amavis/spamassassin
%> reports
%> as:
%>
%> ?@adsl-21-131-25.mia.bellsouth.net
%
%check_client_access
%
%--
%Ralf Hildebrandt
%Ralf.Hildebrandt@charite.de
%my current spamtrap spamtrap@charite.de
%http://www.arschkrebs.de/postfix/ Tel. +49
%(0)30-450 570-155
%"Acting is all about honesty. If you can fake that, you've got
%it made."
%-- George Burns
%