[Mailman-Users] DMARC and Bellsouth, etc.
fmouse at fmp.com
Thu Apr 17 18:13:32 CEST 2014
On Thu, 2014-04-17 at 15:24 +0900, Stephen J. Turnbull wrote:
> > Their understanding (and knowledge) of accepted best practices
> > regarding email and mailing lists is woefully limited.
> I rather doubt that. The DMARC I-D has gone through several editions
> (I-Ds have a life-span limited to 6 months, the current renewal
> happened just about the time of Yahoo!'s policy change), suggesting
> that the NetGods and the commercial providers have been thinking
> pretty carefully all along. I think that where understanding and
> knowledge is lacking is on *this side* of the fence. Few, if any, of
> us have to make decisions about how to spend many millions of dollars
> on additional bandwidth, 90% of which (according to some accounts) is
> spam. That's a pile of money on the line for these guys.
Stephen, thanks for your generous reply, and your insights. It does
seem to me, though, that when megabucks are riding on additional
bandwidth, and if Yahoo is serious about controlling spam, they might
start by putting some resources behind putting their own house in order.
Someone, maybe it was you, posted on this forum earlier that perhaps 90%
or more of spam with a yahoo.com origin (or one of their international
DNs) actually _does_ come from Yahoo and that their response to abuse
notifications is abysmal to nonexistent. So it looks to me as if one of
two things is happening here. Either the right hand doesn't know what
the left hand is doing (or not doing), or this is a blatant, cynical
attack on network neutrality designed to push people toward Yahoo's own
Has anyone seen or heard any figures on how much this DMARC fiasco has
cost Yahoo in terms of the number of email end-users who have left their
service? Someone mentioned that it was substantial enough to probably
get their attention.
Lindsay Haisley | "Everything works if you let it"
FMP Computer Services |
512-259-1190 | --- The Roadie
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