Hello; Apparantly, when 2 or more identical postings are sent to a particular listserv list, the later postings are rejected. An error is sent that says that the posting was already submitted to the list (or something like that). I have a test list on which I would like to deactivate that feature. The list keywords docs don't explain how and if this can be done. Can it be done? If so, how? While I am writing, I have another list (low volume) that I want to disable the checking of mail headers. By that I mean that there is often a reason for a mail message to be sent to the list as data within a larger E-mail message, but Listserv complains about finding extra mail header info in the message. Can this checking be turned off? This is for an internnally available list which we use for computer support. When a user has a problem with an E-mail message being delivered and its forwarded to the list by one of our consultants with an explanation and to the client, the client gets the response, but not the list because of this checking feature. If this can be turned off, please let me know how. Stan Horwitz Listserv Postmaster Temple University Acknowledge to: OASIS@TEMPLEVM (or VM.TEMPLE.EDU)