Re: Server Config Error

From: Wietse Venema (no email)
Date: Sun Oct 28 2001 - 08:30:50 EST


This is documented in the RELEASE_NOTES file.

        Wietse

Incompatible changes with snapshot-20011008
===========================================

The Postfix SMTP server now rejects requests with a generic "try
again later" status (451 Server configuration error) when it detects
an error in smtp_{client,helo,sender,recipient,etrn}_restrictions
settings. More details about the problem are logged to the syslogd;
sending such information to random clients would be inappropriate.

Phil Daws:
> Doh! Ok so my spamlist file was the wrong format!
>
> It now reads :
>
> xxxxx.xxxx 550 REJECTED
>
> This was working before with JUNK etc so I guess something has changed
> in the snapshot.
>
> cheers
>
> Phil
>
> -----Original Message-----
> From:
> [mailto:]On Behalf Of Phil Daws
> Sent: 28 October 2001 10:28
> To: postfix-users
> Subject: RE: Server Config Error
>
>
> This is what is in the logfile :
>
> A38918D54: client=dms-mail01.netcenter.com[207.200.87.31]
> Oct 28 04:14:19 ns2 postfix/smtpd[22942]: warning: unknown smtpd
> restriction: "JUNK"
>
> And in my spamlist.map file it is off the syntax :
>
> it88.com.cn JUNK
> itcareers.com JUNK
> itravelnews.com JUNK
> itsup2us.com JUNK
> itworks247.com JUNK
> ivgcorp.com JUNK
> ivideon.com JUNK
> ix.entrepreneurs.net JUNK
>
> My restriction section of main.cf is :
>
> relay_domains = $mynetworks, mysql:/etc/postfix/relay_domains.mysql
> smtpd_client_restrictions = permit_mynetworks,
> hash:/etc/postfix/access_ok.map,
> hash:/etc/postfix/myspamlist.map,
> hash:/etc/postfix/spamlist.map,
> check_sender_access
> hash:/etc/postfix/no_send.map,
> reject_non_fqdn_sender,
> reject_non_fqdn_recipient,
> reject_unknown_recipient_domain,
> check_client_access
> hash:/etc/postfix/maps_ok.map,
> reject_maps_rbl,
> reject_unauth_pipelining
>
> smtpd_recipient_restrictions = permit_mynetworks,
> hash:/etc/postfix/unkn_users.map,
> check_relay_domains
>
> So it must be the spamlist.map section, now the only thing I have done
> is upgrade to mail_version = Snapshot-20011008. Has this changed then?
>
> cheers
>
> Phil
>
>
> -----Original Message-----
> From:
> [mailto:]On Behalf Of Michael Tokarev
> Sent: 28 October 2001 01:09
> To: Phil Daws
> Cc:
> Subject: Re: Server Config Error
>
>
> Phil Daws wrote:
> >
> > Hi:
> >
> > I have just started getting the following error message???? But if I
> do
> > 'postfix check' all is okay. What could be causing this error?
> >
> > regards
> >
> > Phil
> >
> > Transcript of session follows.
> >
> > Out: 220 mgate-1.netmetrics.co.uk - ESMTP - ATTN: UCE trespassers
> will
> > not be
> > tolerated, and will be pursued!
> > In: EHLO blueyonder.co.uk
> > Out: 250-mgate-1.netmetrics.co.uk
> > Out: 250-PIPELINING
> > Out: 250-SIZE 1024000000
> > Out: 250-ETRN
> > Out: 250-XVERP
> > Out: 250 8BITMIME
> > In: MAIL FROM:<> SIZE=3779
> > Out: 250 Ok
> > In: RCPT TO:<>
> > Out: 451 Server configuration error
> > In: RSET
> > Out: 250 Ok
> > In: QUIT
> > Out: 221 Bye
>
> Answer is in your logs. Postfix can generate this error
> in some cases:
>
> check_something_access doesn't followed by maptype:mapname
> unknown restriction name
> maptype:mapname used as a RHS (result) of some map
> instead of restriction_class name
> recursion in restriction_classes
>
> In any way, logs has all needed info.
>
> Regards,
> Michael.
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