[Semi-OT] blocked port 465, anywhere?

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[Semi-OT] blocked port 465, anywhere?
\ Frank Gruellich (20 Sep 2007)
. \ Victor Duchovni (20 Sep 2007)
. \ Jay Chandler (20 Sep 2007)
. . \ Charles Marcus (21 Sep 2007)
. . . \ Jay Chandler (21 Sep 2007)
. . . . \ Charles Marcus (21 Sep 2007)
. \ Terry Carmen (21 Sep 2007)
. . \ Steven F Siirila (21 Sep 2007)
. . \ Charles Marcus (21 Sep 2007)
. . . \ Jay Chandler (21 Sep 2007)

7 msg	chroot problems on Nexenta (OpenSolaris)

Subject:	[Semi-OT] blocked port 465, anywhere?
Group:	Postfix-users
From:	Frank Gruellich
Date:	20 Sep 2007

Hi,

some of my mail account users recently noticed while using public WLANs
in hotels or something, that port 25 is either entirely blocked or
redirected to another MTA (to which they don't want to give their
mails). I think WLAN providers do that to block spammers abusing open
mail relays or spam bot networks.

To provide our mail service to these networks we thought about doing
some ugly VPN tricks, we thought about more ugly web mailers... but I
would like the much simpler way to accept SMTP via SSL at 465 in the
hope, that neither open servers nor infected boxes offer encrypted spam
relay. So what's your experience, is this a port that is treated same
as port 25 or is there in general a better chance for this?

Thanks in advance and kind regards,
Frank.
--
Sigmentation fault