Various Outlook/Outlook Express Error Codes

Error	Code	Description
0x800CCCF4	HTTPMail	Your outlook settings may be invalid or the firewall is preventing you from connecting to our mail server.
0x800CCC79	SMTP	Your SMTP settings are preventing you from sending messages to our server. You should ensure that you have enabled SMTP Authentication.
0x80042109	SMTP	Outlook is unable to connect to your outgoing (SMTP) e-mail server. Ensure that you have entered correct SMTP setting.
0x8004210A	POP	The operation timed out waiting for a response from the receiving (POP) server.
0x800CCC0F	POP	Your mail client (for e.g. Outlook) is unable to contact our mail server, most likely because a firewall is preventing access or the supplied IP Address is incorrect.
0x8004210B	POP	If you are experiencing this issue, verify that you have installed the service pack for Microsoft Office XP.
0x800CCC0D	POP	If you are experiencing this issue, verify that you have configured your mail client correctly. You must either specify an IP address or a hostname as the mail server when configuring the mail client settings. If you specify a hostname then it must be defined in your DNS as a Host record.
0X800CCC0E	SMTP	This error means that you are able to connect to the server via POP, but your SMTP setting is either not running or is configured incorrectly.