So I think I will use ASSP
1.4.3.1<http://sourceforge.net/project/showfiles.php?group_id=69172&package_id=68038&release_id=644054>without
having port 465 as an option at all.
internet incoming email go to >> ASSP port 25 >> MTA port 225 >> users
Users connecting directly to MTA on port 587 'auth over tls' >> ASSP >> the
internet
Would that be OK?
Thanks
On Tue, Feb 3, 2009 at 6:15 PM, J.R. Oldroyd <[email protected]> wrote:
> On Tue, 03 Feb 2009 13:55:04 -0800, Jeroen van Aart <[email protected]>
> wrote:
> >
> > > ASSP's 25 and 465 are sent to the MTA's 225. AUTH is optional here.
> >
> > Why would authorisation be optional on port 465? It should be mandatory
> > and user submission on port 25 should be forbidden (or at the most
> > allowed for the local network). Way back port 465 was meant to be used
> > for smtps (a bad idea to begin with), nowadays (for the last decade or
> > so I believe) that's not the case anymore and the port has been assigned
> > to something completely different (first some Cisco TV thing, now URL
> > Rendesvous Directory for SSM, see
> > http://www.iana.org/assignments/port-numbers). So totally closing port
> > 465 is the best thing, were it not for braindead clients.
> >
>
> You are correct that 465 is no longer officially SMTPS. Go ahead and
> disable your 465.
>
> However, for a while IANA did assign 465 to SMTPS and it was widely
> used that way - as a direct equivalent to 25 but with SSL. For those
> that still need this behavior, it is now available in ASSP.
>
> -jr
>
>
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