From: Russ Allbery (rra@stanford.edu)
Date: Thu Aug 01 2002 - 12:16:18 CDT
Bill Davidsen <davidsen@prodigy.com> writes:
> On Thu, 1 Aug 2002, Russ Allbery wrote:
>> We talked this over on USEFOR and don't think it will be a problem.
>> Those sites implementing %-hack only do it for addresses that they
>> consider to be local, which means that the only sites that would
>> possibly do this are the moderation relay sites. That's a fairly small
>> set of sites, and I think we can just ask them all to turn this off (if
>> they haven't already, which they probably have since this used to be a
>> huge spam relaying hole).
> Exactly why it won't be turned off. It is recognized as an attempt to
> relay and the mail is rejected. At least at a few of the major ISPs I
> tried to access.
By turned off, I mean not honoring it at all and treating % like any other
local character in the LHS of the address.
I highly doubt it will be a problem. Most modern MTAs don't even
implement %-hack any more.
-- Russ Allbery (rra@stanford.edu) <http://www.eyrie.org/~eagle/>