> Does C/R not interoperate with mailing lists? We're on a mailing
> list. I assume many (if not most) of the people here are using
> TMDA. Where's the problem?
C/R can "interoperate" if the users are savvy enough to
generate a custom address to submit to the list.
If I subscribe to a list by typing my untagged email address
into a webpage, then I will challenge the list, and the list will not
respond.
If I email to [EMAIL PROTECTED], I will be subscribed
with an address that will expire after 30 days. Thereafter, my
challenges will not be answered.
If I do not now what address the list will send me messages
from, I cannot whitelist it.
We, as savvy users, can make C/R interoperate with lists.
But many people would get confused.
> Humans are supposed to have to manually respond to every challenge.
> The whole point of the challenge is to get human attention.
Oh. I thought the point was to block spam/UBE. My mistake.
Are you saying you will happily recieve spam as long as some human is
giving you attention?
Spammers will automate C/R responses. It is a one time cost
for them to do so. As soon as enough people start using C/R, they
will start responding to C/R mail. They will then need maildrops,
which increase their costs somewhat, and will probably make it easier
to trace and block them.
-Matthew.
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