From: Jeffrey Taylor (no email)
Date: Fri Mar 01 2002 - 13:26:56 EST
smtpd_recipient_restrictions =
permit_mynetworks,
reject_non_fqdn_sender,
reject_non_fqdn_recipient,
reject_unknown_sender_domain,
reject_unknown_recipient_domain,
reject_unauth_destination,
Notice changed position of permit_mynetworks. THis allows user at host
for internal mail and raises the bar for mail to/from outside
mynetworks.
Jeffrey
Quoting Robin Lynn Frank <>:
> On Friday 01 March 2002 05:56 am, Jose Sebastiao Martins wrote:
> > Excuse me for my dumminess. I'm new to Postfix.
> > We are receiving many UCE with headers like:
> >
> > Delivered-To:
> > From: "tiao " <>
> > To: "tiao" <>
> > Subject: tiao , GANHE AGORA UM FONE DE OUVIDO PARA SEU CELULAR!
> > Date: Thu, 28 Feb 02 19:05:20 Hora oficial do Brasil
> > X-Mailer: Microsoft Outlook Express 6.00.2462.0000
> >
> > OPORTUNIDADE.com.br does not exist (cann't ping or telnet)
> > Here is a snipped postconf -n:
> >
> > header_checks = regexp:/etc/postfix/header_checks
> > inet_interfaces = all
> > local_recipient_maps = $alias_maps unix:passwd.byname
> > mydestination = $mydomain, $myhostname, localhost.$mydomain
> > mydomain = efoa.br
> > myhostname = int.efoa.br
> > mynetworks = 200.179.120.0/24, 200.179.121.0/24, 127.0.0.0/8
> > body_checks = regexp:/etc/postfix/body_checks
> > smtpd_client_restrictions =
> > smtpd_helo_restrictions =
> > smtpd_recipient_restrictions =
> > reject_non_fqdn_sender,
> > reject_non_fqdn_recipient,
> > reject_unknown_sender_domain,
> > reject_unknown_recipient_domain,
> > permit_mynetworks,
> > reject_unauth_destination,
> >
> > Is there a way to reject this kind of UCE?
> >
> > Thanks in davance.
> This may be the mother of all dumb questions, but I noticed the following in
> your postconf:
> reject_non_fqdn_sender,
> reject_non_fqdn_recipient,
>
> Any time I've tried that, I wind up rejecting system mail from root at localhost
> or from user at localhost, etc. How do you avoid that?????
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