On 23-Apr-2010, at 09:47, Victor Duchovni wrote: > > On Fri, Apr 23, 2010 at 09:38:36AM -0600, LuKreme wrote: > >> When ThunderBird forwards a message, it sends it with the ORIGINAL Date >> header: >> >> This hits one of my header_checks for spammy mails: >> >> /^Date:.* 200[0-8]/ REJECT Your email has a date >> from the past. Fix your system clock and try again. > > Did you set "nested_header_checks =" so that this check is not applied > to the headers of attached messages? The backwards-compatible default is > "nested_header_checks = header_checks".
Ah, no. I didn't know about that setting. > You should also consider that messages can be "Resent", not just forwarded > (as attachments), and in that case old dates do legitimately show-up in > new messages. The new date is in "Resent-Date:". > > Blocking old dates is unlikely to be a very effective anti-spam measure. > I would advise that you turn this filter off. I've turned it off for now. Certainly blocking FUTURE dates has been effective in the past. -- ''As God as my witness, I though turkeys could fly,'' Arthur Carlson, WKRP in Cincinnati
