How to troubleshoot Outlook Express Errors?

[Michael25]

An unknown error has occurred. Account: 'pophm.sympatico.ca', Server:
'smtphm.sympatico.ca', Protocol: SMTP, Server Response: '500
Unsupported command.', Port: 25, Secure(SSL): Yes, Server Error: 500,
Error Number: 0x800CCC62

Script Error:

Line 229
Char 1
Error: Object doesn't support this property or method
Code 0
URL res://D:\Program Files\Outlook Express\msoeres.dll/fmtpage.htm

Moreover, I received following errors while reading Hotmail via outlook
express:

Protocol: HTTPMail
Port 0
secure(SSL) 0
Code: 80044005
800c013e

[Barclay]

Check with the Sympatico , help / support / online setup guides.

Do you need Secure SSL? Normally that's a no , See all the similar messages in 24HSHD and from a Google search.

[Michael25]

Another Error appeared:
Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity.
Account: 'pophm.sympatico.ca',
Server: 'pophm.sympatico.ca',
Protocol: POP3, Port: 110,
Secure(SSL): No,
Error Number: 0x800CCC0F
In tasks shows X(Red Mark) for "Check for new messages on pophm.sympatico.ca" , Failed status and Local Area Network.