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From: Lupe Christoph (lupe_at_lupe-christoph.de)
Date: Wed Sep 11 2002 - 10:30:03 CDT

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    On Wednesday, 2002-09-11 at 07:29:26 -0500, Greg Panula wrote:
    > Ok, here is the cleaned-up faq submission for asmtp & port 587.

    Ok, here is further nitpicking :-)

    > Q: What is ASMTP?
    > A: Authenticated SMTP, explained in RFC 2554

    > Q: What is ASMTP good for?
    > A: Allow the SMTP server to authenicate users before allowing them to
                                        ^t
    > use the smtp service for sending mail. Useful if you have roaming users
    > that connect from foreign networks(e.g. hotel somewhere).
    Buddy can you spare a space ^here?

    > Q: How do I or my users make use of ASMTP?
    > A: The user's email client needs to be configured to authenicate
                                                                 ^t
    > themselves to the smtp server. Earthlink has a FAQ section explaining
    clients/themselves or client/itself
    > various email client configurations at
    > http://support.earthlink.net/mu/1/psc/img/walkthroughs/Help_FAQ/7280.psc.html

    > Q: How do I implement ASMTP on my mailserver?
    > A: Depends on your MTA. For information about configuring ASMTP&Postfix
    > checkout: http://howto.state-of-mind.de/

    We still need an explanation for sendmail! I found nothing better than
    http://www.sendmail.org/~ca/email/auth.html which doesn't look very
    /usr/friendly to me ;-)

    The default sendmail in FreeBSD is not compiled with SASL and does not
    do ASMTP. I suppose one must install the sendmail-sasl port for this.
    I'm doing that next, but can't test very much with it, due to my setup.

    > Q: Why does Sendmail listen on Port 587?
    > A: For compliance with RFC 2476 which states that seperating the
    separating
    > different parts of mail handling(submissions&transfers) is a good thing
                                      ^space
    > and port 587 was deemed to be the port for handling submissions.
    > Sendmail 8.10.0 introduced DaemonPortOptions to support this. Checkout
    > http://www.sendmail.org/~gshapiro/8.10.Training/DaemonPortOptions.html
    > for some quick info about DaemonPortOptions.

    > Q: How do I turn off the Message Submission Agent aka stop Sendmail from
    > listening on port 587?
    > A: Add FEATURE(`no_default_msa') your config.mc config file and recreate
    > your sendmail.cf file. Brief example of recreating your sendmail.cf can
    > be found at: http://www.sendmail.org/m4/intro.html

    Lupe Christoph

    -- 
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