deny local_parts = root:postmaster:webmaster:abuse:support
senders = :
+ # Block sender of spam backscatter
+
+ deny senders = www-data@www.easyticket.de:*@email.realestate.co.nz:sipdentistry@mail.mediaworksonline.com
+
# Accept mail to postmaster in any local domain, regardless of the source,
# and without verifying the sender.