An error occurred while sending mail. The mail server responded: 5.7.1
How do I fix this? Help please!!!!
Alert An error occurred while sending mail. The mail server responded: 5.7.1 we were unable to deliver your message. Please try resending your message by adding some test.. please check the message and try again.
Tutte le risposte (2)
http://kb.mozillazine.org/5.7.1_Unable_to_relay
If you're using the SMTP server provided by your ISP, make sure you're connected to the Internet via this ISP.
Apparently it is a yahoo issue I will report back when I find more out. Yahoo says something changed on their update....