Re: mails from servers with no PTR

9 msg	queue behavior
3 msg	X-Original-To inconsistency
5 msg	SMTP Transaction logs?
2 msg	backup mail server problems
4 msg	Change error messages
3 msg	transport_maps is ignored

mails from servers with no PTR
\ Frederic (20 Jul 2007)
. \ Ralf Hildebrandt (20 Jul 2007)
. . \ Frederic (20 Jul 2007)
. . . \ Pitshou Asingalembi Mbema (20 Jul 2007)
. . . \ mouss (20 Jul 2007)
. . . \ Ralf Hildebrandt (20 Jul 2007)
. \ Pitshou Asingalembi Mbema (20 Jul 2007)
. \ Brian A. Seklecki (20 Jul 2007)

4 msg	Customize postfix's answers
6 msg	send mail to multiple users
2 msg	transpot decision based on cyrus mailbox existence
2 msg	force a bounce on a message in the queue
5 msg	What causes: 421 Error: timeout exceeded (in re...
3 msg	Prevent specific user to authenticate in SASL/L...
2 msg	Prevent specific user to authenticate in SASL/LDAP
12 msg	Looking for a fail-over strategy for a mail server
7 msg	postfix/smtpd can works in tls wrapper mode,cou...
2 msg	Connection timed out - Issue
4 msg	postfix and field 'Date' in message headers
4 msg	bounce notification of relayhost
5 msg	Postfix + SASL Problem

Subject:	Re: mails from servers with no PTR
Group:	Postfix-users
From:	Brian A. Seklecki
Date:	20 Jul 2007

To be thorough, compel:

ESMTP HELO = Reverse PTR of = Matching Forward

In that order...You probably dont _want_ mail from the rest.

~BAS

On Fri, 20 Jul 2007, Frederic wrote:

> Hello,
>
> I'm using postfix 2.3 on Opensuse 10.2.
>
> I receive many spams from servers without PTR
>
> eg: 91.86.82.82
>
> I added in main.cf smtpd_helo_restrictions = reject_unknown_helo_hostname
>
> is it agree?
>
> Best regards,
>
> Frederic
>

l8*
-lava (Brian A. Seklecki - Pittsburgh, PA, USA)
http://www.spiritual-machines.org/

"Guilty? Yeah. But he knows it. I mean, you're guilty.
You just don't know it. So who's really in jail?"
~Maynard James Keenan