[Mailman-Users] Yahoo Groups' From munging and X-Original-From

John Levine johnl at taugh.com
Mon May 26 04:22:19 CEST 2014


>Until spammers figure out they can send mail
>
>From: spammer at evildomain.com
>X-Original-From: whatever at yahoo.com

This is one of the most annoying things about Yahoo and AOL's misuse
of DMARC -- they're practically forcing people to use hacks to show
unauthenticated fake From: lines.

R's,
John




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