I have a problem about sending mail: I have a Exchange 2000 Server/ windows 2000 server. It almost complete except for messages to yahoo.com and a few other domains sit in queue in retry mode. If I check the properties of the queue it says that An SMTP protocol error occurred. I send mail to yahoo.com, then i receive mail Delivery Status Notification (Delay) and mail undelivery from postmaster@mydomain. I check yahoo mail and not receive mail from my domain. I'm at a loss! Help me please!!
Thank in advance