[Mimedefang] Spam through trusted mx relay

[Kenneth Porter]

--On Monday, January 29, 2007 9:05 AM -0500 David Koski <dkoski at umich.edu> 
wrote:

> Anyone have some thoughts on a better way to detect this type of forwarded
> spam and just out right reject just plain bad email from a known good
> source?

My practice is to accept and discard spam from a secondary. Rejecting is 
bad because it causes backscatter when the secondary tries to contact a 
forged sender with a spam report.