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Re: RFC: Making mail-transport-agent Priority: optional

On Sat, Oct 15, 2011 at 06:33:14PM +0000, brian m. carlson wrote:
> On Sat, Oct 15, 2011 at 09:53:32AM -0700, Steve Langasek wrote:
> > Hear, hear.  "How do I deliver mail?" is a per-system setting, not a
> > per-application setting, and the move towards having MUAs talking SMTP
> > directly to send mail is a flawed model picked up on the Linux desktop from
> > certain other OSes.  The right solution here is to fix the MTAs to be
> > configurable from the desktop, and fix the MUAs to use the MTA - *not* to
> > get rid of the MTA.

> Until you can get an MTA to deliver mail to a smarthost authenticating
> via GSSAPI with the Kerberos credentials of the sending user, I'm
> going to keep using mutt's SMTP support.  TTBOMK, no MTA in Debian
> supports outgoing GSSAPI authentication *at all*, let alone with the
> specific user credentials.  Only a few MTAs support per-user
> configuration on any level at all.

postfix most definitely supports GSSAPI authentication, because it supports
SASL and GSSAPI is just one more SASL mechanism.  But yes, per-user GSSAPI
authentication passed through the MTA is non-trivial, and is one of the
better justifications why MUAs need to talk SMTP.  They just shouldn't do so
by default.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek@ubuntu.com                                     vorlon@debian.org

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