Thanks it looks as if it's working !
i've still got a problem though with the check_client_access that doesn't
work here is the postconf output :

[rootsmith maillog]# postconf smtpd_recipient_restrictions
smtpd_recipient_restrictions = permit_mynetworks check_sender_access
hash:/etc/postfix/sender check_client_access
mysql:/etc/postfix/pop-before-smtp.cf check_relay_domains
[rootsmith maillog]#

the pop-before-smtp.conf :

user = postfix
password = ********

dbname = mail_hosting

table = relay_ip

select_field = policy
where_field = ip

hosts = localhost

the dump of the relay_ip table :

#
# Structure de la table `relay_ip`
#

CREATE TABLE relay_ip (
  ip varchar(15) NOT NULL default '',
  ts datetime NOT NULL default '0000-00-00 00:00:00',
  policy varchar(7) NOT NULL default 'OK',
  KEY ip (ip)
) TYPE=MyISAM;

The error i get in the syslog is :

Feb 27 04:58:45 smith postfix/smtpd[29258]: warning: unknown smtpd
restriction: "OK"
Feb 27 04:58:45 smith postfix/smtpd[29258]: reject: RCPT from
modemcable235.156-135-76.que.mc.videotron.ca[76.135.156.235]: 451 Server
configuration error; from=<xertest.net> to=<keritest.org>
(ip and email adress have been modified to preverve users security)

if somebody could help me to find out the problem it would be a big relief
!!

[ripper]
-----Message d'origine-----
De : owner-postfix-userspostfix.org
[mailto:owner-postfix-userspostfix.org]De la part de Ralf Hildebrandt
Envoye : mercredi 6 mars 2002 21:57
A : Postfix-Users
Objet : Re: Blocking 1 email adress

On Wed, Mar 06, 2002 at 09:40:57PM +0100, [ripper] wrote:
> The users of our server are getting lots of mail from rootfun.com
> containing virus is there a way to refuse mails from this user ?

in your smtpd_recipient_restrictions add:

check_sender_access hash:/etc/postfix/sender

check what they are using "postconf smtpd_recipient_restrictions"
and add the stuff above between permit_mynetworks and
check_relay_doamins

In /etc/postfix/sender use:

rootfun.com 554 Bloody spammer, die die die!

Then run "postmap sender"

--
Ralf Hildebrandt (Im Auftrag des Referat V A)   Ralf.Hildebrandtcharite.de
Charite Campus Virchow-Klinikum                 Tel.  +49 (0)30-450 570-155
Referat V A - Kommunikationsnetze -             Fax.  +49 (0)30-450 570-916
Remember, all software sucks. Some sucks more, and some sucks less. But it
sucks regardless. If I want to see something elegant I go look for a piece
of art.
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