On Wed, Jan 09, 2013 at 11:54:57AM -0500, Patrick Shanahan wrote:
> * Alexander Gattin <xr...@yandex.ru> [01-09-13 11:23]:
> > On Wed, Jan 09, 2013 at 09:50:59AM -0500, Patrick
> > Shanahan wrote:

> > that way 10 years ago.  SMTP servers no longer accept users' mail at
> > port 25, but tend to do this at ports 465 and 587 instead.

Wrong.

> no, not so.  And I can do the same from windoz.  It is nothing to do with
> *nix but with *configuration* of your mailing system.

To expand on that a bit further, *IF* I remember correctly, I saw a
comment in sendmail.cf on my old FreeBSD system stating that these ports
are typically used for SMTP with authentication.  Port 25 can still be
used, if not blocked, etc., but lack of authentication opens the doors to
spamvermin if exposed to the outside network (beyond the user's LAN).

> afa port 25, some isp's block port 25

Mine (cox.net) doesn't block it, as such...they hijack it and re-direct
it to their own SMTP server.  At least, they did back when I was trying
to figure out why my e-mails to Android development related lists were
not authenticating properly with gmail's SMTP servers, and thus were
being dropped into /dev/null at the lists' googlegroups server.

Later,
   --jim

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