(Reply from Randy Klumph) One caveat would be if the list has a header setting of Daily-Threshold= example Daily-Threshold= 300,20 300 total messages per day 20 maximum per user per day But as Kevin explained you can send them as quickly as you like. - Kevin Parris wrote: >Anyway, to what I think you're trying to discover - no explicit >restriction exists (beyond bandwidth and processor capacity). ------------ Regards, Randy Klumph [log in to unmask] The National Consortium on Deaf-Blindness The Teaching Research Institute 345 N Monmouth Ave Monmouth, OR 97361