I have problem with my Hotmail account. I am not able to send mail to a net zero account that i was able to send in the past successfully. Whenever i try to send a message all am getting is a delivery failure message from firstname.lastname@example.org that the message failed. The details.txt attached to the failure message is as follows..I am fed of this error mail..I tried to send many times but same thing occurs.What is the cause any one got any idea??
Please help me