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212183RE: SASL vs. M$ Outlook and Outlook Express

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  • Tom Kovar
    Jan 1, 2007
      Would be too nice... No, I am not forgetting it - and also in the log
      file I see my server sending both 250 messages in reply to EHLO - the
      one with = and the one without...

      -----Original Message-----
      From: owner-postfix-users@...
      [mailto:owner-postfix-users@...] On Behalf Of Magnus Bäck
      Sent: Monday, January 01, 2007 1:42 PM
      To: postfix-users@...
      Subject: Re: SASL vs. M$ Outlook and Outlook Express


      On Monday, January 01, 2007 at 13:34 CET,
      Tom Kovar <postfix_list@...> wrote:

      > I have been using successfully Postfix since good one year, and now I
      > have extended it with SASL, using dovecot, with MySQL in the
      background
      > for all authentications. Everything seems to be working fine, when I
      > send the SMTP commands manually, authentication is successfull and
      > sending e-mail works according to the rules.
      > Not so from Micro$oft clients, where I always get "Relay access
      denied".
      > Inspecting the Postfix-Syslog, after enabling debug, reveals the
      source
      > of the problem - even if I enabled the "SMTP server requires
      > authentification" check box in these clients, they still do not send
      the
      > SMTP AUTH message. The sequence of SMTP messages is
      > EHLO
      > MAIL FROM:
      > RCPT TO:
      > and this inevitably leads to the failure.
      >
      > Can anybody help me what the problem with M$ might be?

      Perhaps you're forgetting this:
      http://www.postfix.org/postconf.5.html#broken_sasl_auth_clients

      --
      Magnus Bäck
      magnus@...
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