I Feel that may be the last resort for for us also. Our ISP swears nothing was changed on their end. So..as soon as I can get to it ,I'll try reloading mail server and a few other last ditch trys before going to another mail server. Thanx for the info, Don >So, after waiting for months for a solution, I decided to run my >own mail server on another machine and am looking into installing >Stalker Internet Mail Server.