Why do so few mail providers support Port 587?
David Lesher
wb8foz at nrk.com
Tue Mar 1 20:55:22 UTC 2005
Speaking on Deep Background, the Press Secretary whispered:
>
>
> Yes, right up until a) ISPs wise up and start blocking port 587, and
> then 465 for good measure. or b) malware authors wise up. B will
> happen sooner.
>
> Chris
Well, I'm no player in this league and ask...
Why will ISP's ""wise up"" and block 587?
If 587 is always auth'ed; then there will be no spam splashback
provoking calls to block it. (Individual customers may get
zombied; but that's easy to track and treat...)
If a provider runs an open 587 port, and thus gets used as spam
source; they will soon meet Mr. Linford and/or Mr. SPEWS.
In either case, why will the clued ISP's want to block 587?
--
A host is a host from coast to coast.................wb8foz at nrk.com
& no one will talk to a host that's close........[v].(301) 56-LINUX
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433
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