4 messages in net.sourceforge.lists.courier-usersRe: [courier-users] Rejecting mail wi...
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Timo MetzemakersMar 3, 2002 7:46 am 
Sam VarshavchikMar 3, 2002 8:53 am 
alexusMar 3, 2002 8:54 am 
Timo MetzemakersMar 3, 2002 8:54 am 
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Subject:Re: [courier-users] Rejecting mail with an empty return address?Actions...
From:alexus (ml@db.nexgen.com)
Date:Mar 3, 2002 8:54:00 am
List:net.sourceforge.lists.courier-users

what MTA are you using?

----- Original Message ----- From: "Timo Metzemakers" <tcm-@m2ic.net> To: <cour@lists.sourceforge.net> Sent: Sunday, March 03, 2002 10:46 AM Subject: [courier-users] Rejecting mail with an empty return address?

Hi gang,

I want Courier to reject all mail with an empty return address (some customers of ours use terribly broken, misconfigured mail clients). Currently, my installation of Courier accepts empty return addresses:

# telnet localhost smtp Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 a.mx.m2ic.net ESMTP helo localhost 250-a.mx.m2ic.net Ok. 250-AUTH LOGIN CRAM-MD5 250-AUTH=LOGIN CRAM-MD5 X-NETSCAPE-HAS-BUGS 250-XVERP=Courier 250-XEXDATA 250-XSECURITY=NONE,STARTTLS 250-PIPELINING 250-8BITMIME 250-SIZE 250 DSN mail from: <> 250 Ok.

The obvious solution would be to add a `badfrom' entry to the bofh configuration file, but what is the syntax for an empty string?

Or is there another way to achieve this?

Thanks in advance,

--Timo

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