Why do so few mail providers support Port 587?

Chip Mefford cpm at well.com
Wed Feb 16 14:59:12 UTC 2005


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Thor Lancelot Simon wrote:
| On Tue, Feb 15, 2005 at 09:00:11PM -0500, Sean Donelan wrote:
|
|>Sendmail now includes Port 587, although some people disagree how
|>its done.  But Exchange and other mail servers are still difficult
|>for system administrators to configure Port 587 (if it doesn't say
|>click here for Port 587 during the Windows installer, its too
|>complicated).
|
|
| This is utterly silly.  Running another full-access copy of the MTA
| on a different port than 25 achieves precisely nothing --

Actually, it achives a number of things.
First that comes to mind is to allow road-warriors
to establish tls conections with the home mta
by side-stepping hote and hotspot style mta proxies.

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