Re: prevent Exch2000 from accepting EHLO and ESMTP commands

From: Andy Webb (awebb_at_swinc.com.spamsucks.com)
Date: 05/18/04

  • Next message: Jeff Thibodeau [MS]: "RE: prevent Exch2000 from accepting EHLO and ESMTP commands" 
    Date: Tue, 18 May 2004 08:38:41 -0500

    You can disable some of the ESMTP verbs, but not ESMTP entirely if I
    remember correctly.

    Is there more than one Exchange server? They use XEXCH50 to communicate
    between each other.

    "Bru, Pierre" <Pierre.Bru@spotimage.fr> wrote in message
    news:a39f53b1.0405180325.768eaea8@posting.google.com...
    > what ? there are no way to setup Exchange to reject ESMTP and only
    > accept pure SMTP ?
    >
    > I'm not trying to improve any security. I'm currently having problems
    > with emails using binary transfer (XEXCH50 command used in place of
    > DATA command).
    > one option is that the problem is with the filtering anti-virus front
    > end which is between the internet and our server, but security guys
    > say 'no' and want me to prove it.
    >
    > so I wanted to setup Exchange in pure SMTP mode to see if the problem
    > persists or not.
    >
    > Pierre.
    >
    > "Andy Webb" <awebb@swinc.com.spamsucks.com> wrote in message
    > news:<uDmT#HKPEHA.3596@tk2msftngp13.phx.gbl>...
    >> You can install a cisco PIX and enable the mail fixup feature.
    >>
    >> What security are you trying to improve through this? The vast majority
    >> of
    >> systems on the Internet support ESMTP at this point.
    >>
    >>
    >> "Pierre Bru" <Pierre.Bru@spotimage.fr> wrote in message
    >> news:40A8D160.4010903@spotimage.fr...
    >> > hello,
    >> >
    >> > how can I force exchange to reject EHLO and ESMTP command, make it only
    >> > accept ols regulat SMTP ?
    >> >
    >> > I easilly found where to setup the outgoing way but I can not find
    >> > where
    >> > to setup the incoming way :(
    >> >
    >> > TIA,
    >> > Pierre.

  • Next message: Jeff Thibodeau [MS]: "RE: prevent Exch2000 from accepting EHLO and ESMTP commands"

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