I have a listowner that has a list where some of the posts need to be received in a timely manner. They would like to have an acknowledgment sent back to the owner when each member receives the post. Now the kicker, the list owners would like to be able to toggle this acknowledgment feature off/on as not all posts are timely. Is there something that can be put either in the header or on the timely postings by the listowner that will accomplish this without too much hassle? I appreciate any help you can give. And as this is my first post to this list please be kind. If this is addressed in any of the fine documentation just point me in the right direction and I will look it up myself. Thank you in advance. K. Buckley, New ListServ Postmaster.