Outgoing mail error

[JRT]

Your server has unexpectedly terminated the connection. Possible causes for
this include server problems, network problems, or a long period of
inactivity. Subject 'GPSSledMaps.com', Account: 'plus.pop.mail.yahoo.com',
Server: 'plus.smtp.mail.yahoo.com', Protocol: SMTP, Port: 25, Secure(SSL):
No, Error Number: 0x800CCC0F

Please help.

 

[t-4-2]

Extracted from Yahoo! Plus :
Outgoing Mail (SMTP) Server: plus.smtp.mail.yahoo.com (Use SSL, port: 465,
use authentication )
NOTE : You have 3 settings to correct.
1. SSL = Yes,
2. port = 465,
3. This server requires authentication
t-4-2

 

[williamebailey]

Your server has unexpectedly terminated the connection. Possible causes
for
this include server problems, network problems, or a long period of
inactivity. Subject 'GPSSledMaps.com', Account: 'plus.pop.mail.yahoo.com',
Server: 'plus.smtp.mail.yahoo.com', Protocol: SMTP, Port: 25, Secure(SSL):
No, Error Number: 0x800CCC0F

Please help.