M Mordkovych wrote:

Your server has unexpectedly terminated the connection. Possible
causes for this include server problems, network problems, or a long
period of inactivity. Account: 'mci hi speed', Server:
'smtpauth.mcihispeed.net', Protocol: SMTP, Port: 25, Secure(SSL): No,
Error Number: 0x800CCC0F

In addition to Vanguard's advice, make sure you're properly authenticating
the SMTP server.
--
Brian Tillman