Quote: Originally Posted by
grburris 
I can receive e-mail, but get the following error when I try to send. I
recently downloaded/installed Norton 360.
An unknown error has occurred. Subject 'E-Mail TEST', Account:
'mail.charter.net', Server: 'mail.charter.net', Protocol: SMTP, Server
Response: '421 charter.net connection refused from [75.215.34.235]', Port:
25, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67
Hi Grburris,
0x800CCC67 = SMTP_421_NOT_AVAILABLE = Command not available.
Your SMTP server name is correct. It most likely is Norton causing the problem. You should uninstall it as a test. Read the "First" section in this tutorial for more details on this.
Windows Mail problems
Shawn