Re: ZMailer relaying problem

[Matti Aarnio <mea@nic.funet.fi>]

On Tue, Oct 16, 2001 at 03:26:35PM -0400, Grace He wrote:
> Hello,
> 
> I was surprised to find out our mail servers are listed as open relay
> by ordb.org and orbz.org.
> 
> Upon close examining the smtpserver log, I came across the following:
> 
> == Begin ===
> 
> 17595LASKr	MAIL FROM:<spamtest@jupiter.scs.ryerson.ca>
> 17595LASKw	250 2.1.0 Sender syntax Ok
> 17595LASKr	RCPT TO:<"marvin@ordb.org"@[141.117.57.31]>
> 17595LASKw	250 2.1.5 Recipient address syntax Ok

     That should be quite ok, and harmless, however
     something inside is then failing...

     What happens when you do following test ?

$ $MAILBIN/router -i
z$ rtrace
z$ router '"marvin@ordb.org"@[141.117.57.31]'


     Do note the quoting!

     The result _should_ be:

     (((local .... .... ....)))

     ... and thus the message would be attempted to be delivered to
     local recipient address   "marvin@ordb.org"  -- which local user
     does not exist, and it will thus bounce to its original MAIL FROM
     address.


     I have a feeling that your router scripts are not in par with
     the router program itself.


> 17595LASKr	DATA
> 17595LASKw	354 Start mail input; end with <CRLF>.<CRLF>
> 17595LASKw	250 2.6.0 S27257AbRJPSPg message accepted
> 17595LASK#	S27257AbRJPSPg: 1113 bytes
> 17595LASKr	QUIT
> 17595LASKw	221 2.0.0 jupiter.scs.ryerson.ca Out
> 
> == End ===
> 
> How can I stop 
> RCPT TO:<"marvin@ordb.org"@[141.117.57.31]>
> from passing through our mail server?
> 
> One mail server is running zmailer 2.99.52 on Enterprise 450 with
> Solaris 7, and the other zmiler 2.99.55 on sparc 1000 with Solaris 7.
> 
> Thanks,
> 
> Grace He			
> Ryerson University - School of Computer Science	

-- 
/Matti Aarnio	<mea@nic.funet.fi>
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