What do I change in the configuration so that messages from non subscribers automatically bounce rather than go as errors to the owner mailbox when the sending domain is both not a subscriber and listed in our sitewide filter entry as barred from ever subscribing? We have a couple of domains that spew incessant 419 scam spams without letup. Now, the owner gets the junk mail with the message: The enclosed message, found in the WHATEVER mailbox and shown under the spool ID 1602006 in the system log, has been identified as a possible delivery error notice for the following reason: mail origin is listed in the "Filter=" list header keyword (or its default value for the WHATEVER list). Return-Path: <[log in to unmask]> Relevant parts of current list configuration afaik: subscription= Open,confirm review= Owners Send= Private Notify= No Reply-to= List,Respect Sender= List Validate= No Errors-To= Owner Mail-via= Direct tia -- [log in to unmask] 39 34' 34.4"N / 105 00' 06.3"W "The major difference about 'targeted marketing' on the Internet is the targets can and will shoot back" -- Gym "Often with heavier weapons." Quirk