On Mon, 3 Jun 2013, David F. Skoll wrote:
On Mon, 3 Jun 2013 14:28:36 +0200
Matus UHLAR - fantomas <uh...@fantomas.sk> wrote:
you should look at Received: headers to see who passed the mail to
you and complain to abuse@ there. If the mail came from nacha.org, the
ab...@nacha.org is the right place to send complaints..
There were no Received: headers in my samples. They were directly injected
by compromised Windows boxes.
Maybe the lack of Received: headers could be used as the basis for an SA rule.
How many legit MTAs are there that don't add Received: headers? Hopefully none.
--
Dave Funk University of Iowa
<dbfunk (at) engineering.uiowa.edu> College of Engineering
319/335-5751 FAX: 319/384-0549 1256 Seamans Center
Sys_admin/Postmaster/cell_admin Iowa City, IA 52242-1527
#include <std_disclaimer.h>
Better is not better, 'standard' is better. B{