Will adding the offending domain to the Filter= list stop the duplicates? In my case, satx.rr.com Partial headers: <snip> Received: from MAELSTROM.STJOHNS.EDU by MAELSTROM.STJOHNS.EDU(LISTSERV-TCP/IP release 1.8d) with spool id 1744976 [log in to unmask]; Tue, 13 Mar 2001 11:19:27 -0500 Received: from mail.satx.rr.com (24.93.35.54)by maelstrom.stjohns.edu (LSMTP for OpenVMS v1.1a)with SMTP id <[log in to unmask]>; Tue,13 Mar 2001 11:19:27 -0500 Received: from mail pickup service by mail.satx.rr.com with Microsoft SMTPSVC;Tue, 13 Mar 2001 10:19:46 -0600 Received: from sm3.texas.rr.com ([24.93.35.210]) by mail.satx.rr.com withMicrosoft SMTPSVC(5.5.1877.537.53); Tue, 06 Mar 2001 11:40:22 -0600 Received: from maelstrom.stjohns.edu (maelstrom.stjohns.edu [149.68.45.24])by sm3.texas.rr.com (8.11.0/8.11.1) with ESMTP id f26HTTU20878 for<[log in to unmask]>; Tue, 06 Mar 2001 11:29:29 -0600 Received: from maelstrom.stjohns.edu (149.68.45.24)by maelstrom.stjohns.edu (LSMTP for OpenVMS v1.1a)with SMTP id <[log in to unmask]>; Tue,06 Mar 2001 12:37:49 -0500 <snip> -- Randy (Dad of Sean, 9yo CP and Shane, 4yo Autistic, DH to Cindy) http://www.our-kids.org/