Thanks for your help so far. Here is the list config: Default-Options= SUBJECTHDR Default-Options= NOACK REPRO Confidential= No Ack= Yes Errors-To= <email address here> Errors-To= <email address here> Daily-Threshold= 200 Review= Owner Subscription= Open Subscription= Confirm Attachments= no Language= nohtml Reply-to= List Reply-to= Ignore Notebook= yes Notebook= d:\list-logs\listname Notebook= Monthly Notebook= Private Send= Private Filter= Also Filter= *@emailaddress Headers to follow....