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:	mails from servers with no PTR
Group:	Postfix-users
From:	Frederic
Date:	20 Jul 2007

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