nanog mailing list archives

Re: Yahoo and their mail filters..


From: JC Dill <jcdill.lists () gmail com>
Date: Wed, 25 Feb 2009 10:44:13 -0800

Tony Finch wrote:
On Wed, 25 Feb 2009, Suresh Ramasubramanian wrote:
Christ .. Yahoo did say "complaints".  And it can take a very low
level of complaints before a block goes into place - especially for
low volume (corporate etc) mailservers.

I don't think this is Yahoo reacting to spam complaints because a large
number of sites (many universities, for instance) are being affected by
this problem at the same time.

Universities are often major sources of spam. Spam is sent directly from virus-infected student computers, and spam is also sent to students at their university email address and then .forwarded on to the student's outside (or post-university) email account - when the student receives forwarded spam at their Yahoo account and clicks "this is spam" the university is considered the "source" of the spam.

jc



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