Re: [courier-users] SMTP auth and the From header

On Fri, Feb 16, 2007 at 02:58:48AM -0600, Otto Solares wrote:
> On Fri, Feb 16, 2007 at 12:30:33AM -0600, Otto Solares wrote:
> > On Thu, Feb 15, 2007 at 09:47:19PM -0800, Gordon Messmer wrote:
> > > Otto Solares wrote:
> > > >
> > > > I am a happy courier-mta user for a long time, I'm using it in
> > > > a large University (60k users), now we are facing a problem
> > > > where users connect to SMTP with authentication in order to
> > > > send a mail (we don't allow sending email without auth) and
> > > > some users are changing the From: header, it is possible to
> > > > tell courier so it'll check the From: header to conform to
> > > > the auth user?
> > >
> > > No, but you could write a courierfilter to do that. Frameworks for
> > > Python and Perl exist, if you're comfortable with either of those languages.
> >
> > Excellent! Although I am not versed in perl here is my first
> > filter attempt, dunno why it doesn't work, when printing
> > (for debugging) any message->* variable, all the message is
> > shown. Does somebody knows what I am missing?
>
> Finally it works, this just checks that MAIL FROM conforms to
> the AUTH LOGIN, hopefully next version will check the From:
> header too as originally intended as I presume this is
> insufficient for my purposes. Thanks.

To close this thread I succesfully solve my original problem
writing a courier-filter-perl module which I have being using
for several days without a problem, it have being improved over
this days so the one posted here is outdated, for future
reference I plan to mantain it here:

http://home.galileo.edu/~solca/contr...ailFrom.pm.txt

-otto

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