Re: [exim] HELO vs. EHLO - what does Exim send?

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Autor: Marc Haber
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A: exim-users
Assumpte: Re: [exim] HELO vs. EHLO - what does Exim send?
On Wed, 04 May 2005 10:22:20 +0200, Toralf Lund
<toralf@???> wrote:
,>Microsoft ESMTP MAIL Service, Version: 6.0.3790.0
>
>Error message is
>
>2005-05-04 09:52:46 Remote host xxx [...] closed connection in response
>to HELO ...
>
>I suspect the problem is related to the fact that the server does not
>understand the EHLO command. When presented with this command, it does
>not return an error message, but closes the connection instead.


That is an issue with this particular server installation:

|[1/499]mh@q:~$ telnet mail.example.com 25
|Trying 193.x.x.x...
|Connected to mail.example.com.
|Escape character is '^]'.
|220 mail.example.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.0 ready at Wed, 4 May 2005 10:34:22 +0200
|ehlo myhost.example
|250-mail.example.com Hello [195.x.x.x]
|250-TURN
|250-SIZE
|250-ETRN
|250-PIPELINING
|250-DSN
|250-ENHANCEDSTATUSCODES
|250-8bitmime
|250-BINARYMIME
|250-CHUNKING
|250-VRFY
|250-X-EXPS GSSAPI NTLM LOGIN
|250-X-EXPS=LOGIN
|250-AUTH GSSAPI NTLM LOGIN
|250-AUTH=LOGIN
|250-X-LINK2STATE
|250-XEXCH50
|250 OK
|quit
|221 2.0.0 mail.example.com Service closing transmission channel
|Connection closed by foreign host.
|[2/500]mh@q:~$

Exchange can do ESMTP just fine.

Greetings
Marc

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