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relay problem [message #1654] Fri, 09 March 2007 07:52
nickvn
Messages: 13
Registered: October 2006
Junior Member
the mail server is set to closed relay, but has the spam filtering server as a trusted server....


I have this problem;

Mar 09, 2007, 15:38:32 Session 2: Connection from 218.53.105.174 accepted on 192.168.6.3:25
Mar 09, 2007, 15:38:32 Session 2: 220 mail.gerowifi.com.au ESMTP Merak 8.0.3; Fri, 09 Mar 2007 15:37:47 +0900
Mar 09, 2007, 15:38:32 Session 2: HELO hxwpaaixjp.com
Mar 09, 2007, 15:38:32 Session 2: 250 mail.gerowifi.com.au Hello hxwpaaixjp.com [192.168.6.3], pleased to meet you.
Mar 09, 2007, 15:38:32 Session 2: MAIL From:
Mar 09, 2007, 15:38:32 Session 2: 250 2.1.0 ... Sender ok
Mar 09, 2007, 15:38:33 Session 2: RCPT TO:
Mar 09, 2007, 15:38:33 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:33 Session 2: RCPT TO:
Mar 09, 2007, 15:38:33 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:33 Session 2: RCPT TO:
Mar 09, 2007, 15:38:33 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:33 Session 2: RCPT TO:
Mar 09, 2007, 15:38:33 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:34 Session 2: RCPT TO:
Mar 09, 2007, 15:38:34 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:34 Session 2: RCPT TO:
Mar 09, 2007, 15:38:34 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:34 Session 2: RCPT TO:
Mar 09, 2007, 15:38:34 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:35 Session 2: RCPT TO:
Mar 09, 2007, 15:38:35 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:35 Session 2: RCPT TO:
Mar 09, 2007, 15:38:35 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:35 Session 2: RCPT TO:
Mar 09, 2007, 15:38:35 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:35 Session 2: RCPT TO:
Mar 09, 2007, 15:38:35 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:36 Session 2: RCPT TO:
Mar 09, 2007, 15:38:36 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:36 Session 2: RCPT TO:
Mar 09, 2007, 15:38:36 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:36 Session 2: RCPT TO:
Mar 09, 2007, 15:38:36 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:36 Session 2: RCPT TO:
Mar 09, 2007, 15:38:36 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:37 Session 2: RCPT TO:
Mar 09, 2007, 15:38:37 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:37 Session 2: RCPT TO:
Mar 09, 2007, 15:38:37 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:37 Session 2: RCPT TO:
Mar 09, 2007, 15:38:37 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:38 Session 2: RCPT TO:
Mar 09, 2007, 15:38:38 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:38 Session 2: RCPT TO:
Mar 09, 2007, 15:38:38 Session 2: 250 2.1.5 ... Recipient ok; will forward
Mar 09, 2007, 15:38:38 Session 2: DATA
Mar 09, 2007, 15:38:38 Session 2: 354 Start mail input; end with .
Mar 09, 2007, 15:38:38 Session 2: Received end of data, mail size 2kB
Mar 09, 2007, 15:38:38 Session 2: (Spam Trap) No action
Mar 09, 2007, 15:38:38 Session 2: Incoming mail action: accept/deliver
Mar 09, 2007, 15:38:40 Session 2: 250 2.6.0 1293 bytes received in 00:00:01; Message accepted for delivery
Mar 09, 2007, 15:38:41 Session 2: QUIT
Mar 09, 2007, 15:38:41 Session 2: 221 2.0.0 mail.gerowifi.com.au closing connection
Mar 09, 2007, 15:38:41 Session 2: Connection from 218.53.105.174 closed





Some attempts get 'unknown user' with postmaster, but other attempts seem to accept it?

there is no acception for the postmaster email address set up in NST (when specifying the filtered email addresses), so I have no idea why it is accepting that address as being allowed?

that, and it doesn't filter the mail at all (as you can see above)



The only recent thing done was a server hardware upgrade, with windows repair + drivers installed.
Then with the new version of NST out, that was recently upgraded a day later, hoping to solve this problem....


what could cause this?
Re: relay problem [message #1655 is a reply to message #1654] Fri, 09 March 2007 14:27 Go to previous message
support
Messages: 918
Registered: April 2004
Senior Member
> the mail server is set to closed relay, but has the spam
> filtering server as a trusted server....
>
> [...]
>
> Some attempts get 'unknown user' with postmaster, but other
> attempts seem to accept it?
>
> there is no acception for the postmaster email address set up
> in NST (when specifying the filtered email addresses), so I
> have no idea why it is accepting that address as being allowed?
>
> that, and it doesn't filter the mail at all (as you can see
> above)
>
> The only recent thing done was a server hardware upgrade, with
> windows repair + drivers installed.
> Then with the new version of NST out, that was recently
> upgraded a day later, hoping to solve this problem....
>
> what could cause this?

It looks like your mail server considers the IP address NoSpamToday! uses as trusted and thus accepts all recipient addresses for relaying without checking.

To avoid this behaviour you can either
- change your mail server's configuration to consider NST's IP address not as trusted
or
- change your mail server's configuration to allow relaying only for SMTP AUTH connections
or
- use the Open Relay Protection in NST to explicitly specify the list of recipient addresses/domains you want to accept mail for.



Customer Support
Byteplant GmbH
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