Unfortunately our lists are opened to the public, meaning most if not all the subscribers are not on my mail system and in which I have no control over their mail client. Thanks to everyone for their input and help on this, I really do appreciate it. I think for the time being I will configure the list with Francoise's suggesting of SET listname IETFHDR for [log in to unmask] As well as Kevin's advice to configure the content_filter template for the list to handle Out of Office replys. ----- Original Message ----- From: "Rich Greenberg" <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, January 05, 2007 3:19 PM Subject: Re: POST parameters > } >>> [log in to unmask] 1/5/2007 9:22:15 AM >>> > > } discussions with LSOFT). These probes were the reason subscribers were > } getting auto-deleted due to their vacation messages. The probe would > } keep getting sent out everyday and the vacation message was sending a > } bounce back and ultimately auto-deleting the subscriber. > > Your users have a broken, or perhaps just very poorly designed vacation > program. The better ones will: > > * Keep track of who they have replied to and wait a user specified > number of days before answering that originator again. > > * Maintain a list of addresses not to be responded to. > > * Detect that an incoming mail is from a list and not respond. > > * etc etc > > Can you look into getting a better one?