0x800ccc67

[john sproston]

An unknown error has occurred. Subject 'leaflets', Account:
'pop.ntlworld.com', Server: 'smtp.ntlworld.com', Protocol: SMTP, Server
Response: '421 aamtaout03-winn.ispmail.ntl.com connection refused from
[82.24.93.59]', Port: 25, Secure(SSL): No, Server Error: 421, Error Number:
0x800CCC67

 

[Gary VanderMolen]

The error indicates you are connecting via VirginMedia.com (82.24.93.59).
As a general rule, you can only use the port 25 mail server that belongs to
your connection. Change your SMTP server to smtp.blueyonder.co.uk.