RCPT TO Header rewriting

Martin Hepworth maxsec at gmail.com
Thu Sep 10 10:49:47 IST 2009

2009/9/10 <Amelein at dantumadiel.eu>

> Because of what looks to be a bug in GroupWise I need to rewrite part of
> the headers coming from our internal server but I am unsure of where and how
> to do this..
> For some unknown reason the string ';1:1' gets added to the e-mail address
> for the DSN requests which causes our mail to bounce for a certain major
> isp, I started noticing this while running a tcpdump on our MS gateway.
> On the incomming connection from our GroupWise system the RCPT TO line is
> as follows:
> ORCPT=rfc822;groupwise-user at domain;1:1
> When it is outbound to the internet it looks like:
> RCPT TO:<user at domain> ORCPT=rfc822;groupwise-user at domain;1:1
> Somewhere along the line I need to see if I can somehow remove the ;1:1
> part on our gateway as a temp fix till I hear from Novell.
> Any ideas on how to do this with a MS + postfix setup ?
> -
> Arjan
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Not a direct answer, but check the org-name setting in MailScanner.conf as
there are some restrictions on this when sending to certain MTAs (see the
comments above the setting.

Martin Hepworth
Oxford, UK
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