[80135] in North American Network Operators' Group
RE: Port 25 - Blacklash
daemon@ATHENA.MIT.EDU (Hannigan, Martin)
Tue Apr 26 12:15:18 2005
Date: Tue, 26 Apr 2005 12:14:45 -0400
From: "Hannigan, Martin" <hannigan@verisign.com>
To: "Paul Ryan" <pryan@rogers.wave.ca>,
"Nanog Mailing list" <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu
> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> Paul Ryan
> Sent: Tuesday, April 26, 2005 11:11 AM
> To: Nanog Mailing list
> Subject: FW: Port 25 - Blacklash
> Importance: High
>=20
> For any educational institutions on this list - what has been=20
> the impact on
> your mail services once your ISP started blocking port 25 -=20
> what if any was
> the backlash - and how difficult was it to provide=20
> alternatives ...587,465
> etc ...
Why would an ISP block port 25 for .edu customers?
The universities I'm familiar with have PI space vs
PA. Comparatively, that should be the boundary to determine=20
whether to block 25 or not, IMO.=20
-M<
