On 12/22/2009 11:05, Andrew Bosch wrote: >>>> Paul Russell <[log in to unmask]> 12/22/2009 10:01 AM >>> > On 12/22/2009 10:45, Andrew Bosch wrote: >> That is a tricky one. The spam sender could be any one of the editors or subscribers, assuming >> that the spams he gets are not just coincidental. If he has access to the MTA logs, the SMTP >> transaction information could be revealing. >> > > Almost everything useful that he could find in the MTA log should also be > present in the full message headers on the spam. > > Unless the envelope addresses are different from the To and From addresses. The envelope-sender address should appear in the return-path header; the envelope-recipient address is probably not relevant. -- Paul Russell, Senior Systems Administrator OIT Messaging Services Team University of Notre Dame