Remote User's SMTP relay authorization

Phil Brutsche phil at optimumdata.com
Mon Mar 15 16:28:35 EST 2004


Kendrick Vargas wrote:

> The only problem you might have with "on the road" is that ISP's tend
> to block outbound port 25 access, and rightly so, to avoid
> worm/virus/spam propagation. I got around that by setting up an
> alternate SMTP port which is different from the default of 25 (like
> 1025, or 2025, etc..) which ONLY does SMTP AUTH relay.

RFC 2476 defines port 587 as a message submission port for such occasions.

-- 

Phil Brutsche
phil at optimumdata.com
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