The SMTP server returned an error. Account: 'Home mail', Server: '127.0.0.1', Protocol: SMTP, Server Response: '+OK avast! POP3 proxy ready.', Port: 25, Secure(SSL): No, Error Number: 0x800CCC60

this error was reported in some older version. What build number do you have ? If it is less than 4.0.160 then update should solve this.

I sent you an email but it came back as undeliverable:
----- The following addresses had permanent fatal errors -----
Helen5213@adelphia.net