Dear Christopher, >>> What setting in the list header controls >>>whether a sender receives Because you asked about the "list header," I think the correct answer is: Default-Options= Repro,Review,Ack,NOMIME,INDEX IHTH (I hope this helps). Pax, Ballew Kinnaman <[log in to unmask]> 206/463-2322 Discussion list owner: Allergy ---> http://www.Immune.Com/allergy/index.html Arthritis ---> http://www.Emissary.Net/arthritis/index.html PCHealth ---> http://www.Emissary.Net/pchealth/index.html Latex Allergy ---> http://www.Immune.Com/rubber/index.html Thyroid ---> http://www.Emissary.Net/thyroid/index.html