> listserver.digitalriver.com is actually a *CNAME* pointing at ntls.digitalriver.com. > > So it works for mail from systems that canonify the hostname (so it does the > rewrite to ntls before sending to you), but fails on systems that don't canonify > the hostname themselves. Valdis, Thanks for the tip, that must be it! Enabled that, and it works now. Learned my new thing for today. :-) Best regards, Al Iverson -- Al Iverson -- [log in to unmask] -- Minneapolis, Minnesota My spam-related website: http://www.spamresource.com/ Support Jazz in Minnesota! -- http://www.mnjazz.com/ All opinions are mine alone unless I state otherwise.