On Mon, 7 Jun 2004, Joe Bo wrote:

> hi there!
> i've got a problem with xmail quitting the smtp connection without an error code 
> when certain extended ascii characters are used within mail from or rcpt to commands 
> (e.g. alt-222) 
> Problem is that xmail is receiving from another relay that does accept these 
> messages. When it tries to relay those to xmail, xmail just quits the connection 
> without an eror code.
> 
> e:\>nc 192.168.1.1 25
> 220 <[EMAIL PROTECTED]> [XMail 1.20 ESMTP Server] service ready; Thu,
> 1 Jul 2004 12:22:56 +0200
> helo mail
> 250 test.test
> mail from:<[EMAIL PROTECTED]>
> CONNECTION DROPPED FROM XMAIL!
> e:\>
> 
> The other relay runs into spool problems since it assumes something is wrong on thhe 
> xmail server (temp delivery errors).
> 
> anyone know how to fix it so that xmail gives out an permanent error 5xx on such a 
> mail delivery atempt instead of just droping the connection?

Where the RFC says that alt-222 is a valid character in the message 
headers? When you receive this stuff, it's extermely likely that someone 
is trying some kiddo exploits, and this is why the connection is brutally 
interrupted.



- Davide

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