He says server was working fine and this started occurring all of a sudden.

-----Original Message-----
From: Busby, Jacob [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 15, 2003 10:35 AM
To: Exchange Discussions
Subject: RE: one more SMTP puzzle


> I narrowed it down to his virtual SMTP server. It does not 
> like when someone says EHLO to it and immediately drops connection.
> 
> 220 web01.domain.mistrycc.com Microsoft ESMTP MAIL Service, 
> Version: 5.0.2195.53
> 29 ready at Tue, 14 Jan 2003 22:28:08 -0500
> EHLO andrey_pc
> 500 Failed to exchange X-LSA info, closing transmission channel
> 
> Connection to host lost.
> 
> 
> When I say HELO, everything works fine --
> 
> 220 web01.domain.mistrycc.com Microsoft ESMTP MAIL Service, 
> Version: 5.0.2195.53
> 29 ready at Tue, 14 Jan 2003 22:29:31 -0500
> helo andrey_pc
> 250 web01.domain.mistrycc.com Hello [207.21.208.111] 

Sounds like something in your set-up complies with RFC821 but not RFC2821. Can't think 
of any tests off-hand that would confirm this though.

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