Why do so few mail providers support Port 587?

Thu Feb 24 21:08:42 UTC 2005

On Tue, Feb 15, 2005 at 09:00:11PM -0500, Sean Donelan wrote:

> Although RFC2476 was published in December 1998, its amazing
> how few mail providers support the Message Submission protocol
> for e-mail on Port 587.  Even odder, some mail providers
> use other ports such as 26 or 2525, but not the RFC recommended
> Port 587 for remote authenticated mail access for users.

I can not say anything about other providers, but I don't do it for a
simple reason: I think it is completely pointless. 

> What can be done to encourage universities and other mail providers
> with large roaming user populations to support RFC2476/Port 587?

Give a good reason. That is still the missing part.

Nils