On Thu, 27 Mar 2003, Jane K Gehan wrote: >We may set up a large list - about 15,000 subscribers. >It will be a newsletter type list. We would use the >"Prime" option to restrict the hours during which it >would be distributed. Is a mailing like this done in "chunks"? >Will listserv process other mail during the time it >is processing this mail? Any advice on how to >manage the processing of a large list of this kind? Listserv will have no problem with a list that size. Compared to some lists, 15,000 subscribers is rather small. You might, however, want to subscribe to L-Soft's HPO option. Information about that is available on L-Soft's web site.