> FWIW all three of those messages came from sources that are on multiple > IP-based block-lists (DNSBLs) such as spamhaus.net, spamcop.net, & > abuseat.org. > > If you were using those methods for filtering (either via postfix > filtering or > SA scoring) those messages shouldn't have made it thru your filtering > system.
thanks David, I'll investigate, mail from grey-listed domains should not come through indeed, (I didn't check), gonna do a bit of homework, obviously I'm a bit green, thankfull for your responses though :) greet, Jan-Kees
