Here's what we use to turn off loop detection: Loopcheck= NoCRC,NoBody,Spam-Delay(0) -----Original Message----- From: Kris Van Hees [mailto:[log in to unmask]] Sent: Wednesday, September 05, 2001 12:58 PM To: [log in to unmask] Subject: Duplicate message detection Is there any way to turn off the automatic duplicate message detection for a list? We're running into a little problem with a list that is commonly used for meeting announcements etc where people write in reply that they can attend the meeting, and unfortunately people quite often write messages that are being flagged as duplicates. Kris