I'm getting delivery notifications to the effect that sorbs.net is blocking posts between verizon and a mailing-list server. This happend suddenly a few days ago after many years of successful posts to that list..As I understand it the solution is tfor verizon to contact sorbs.net and ask to be delisted from their DB. But though the online chat was helpful, I've so far reached no one in tech support who knows what I'm talking about. It would be MUCH easier if there were a Tech Support email address - it's a pain to recite delivery notices and error msgs over the phone! - eda