Why do I get this error? Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0B

You may receive this error in your email client settings at some point. In Outlook this is a bug and can usually be resolved by restarting your email client and making sure you have SMTP authentication enabled.

This is not a server problem and is caused by a miconfigured email client, ISP's blocking access to port 25 and using port 26 instead or a DNS problem with your ISP.

To confirm that the mail server is online and responding you can perform the following:

From the 'Start' button click 'Run'
Type in telnet yourdomain.com 26
You should receive something to the effect of:

220-server.littleherohosting.com ESMTP Exim x.xx #1 day, xx Month 2008 time
220-We do not authorize the use of this system to transport unsolicited,
220 and/or bulk e-mail.

This confirms there are *no problems* with the SMTP server
To confirm the POP server is online and responding:

From the 'Start' button click 'Run'
Type in telnet yourdomain.com 110
You should receive something to the effect of:

+OK POP3 [cppop x.x] at [xx.xx.xx.xx] (yourdomain.com)

This confirms the POP server is online and there are *no problems* with the POP server.

Link to Microsoft support: http://support.microsoft.com/default.aspx?scid=kb;en-us;q295164

 

Installing TELNET Client in Windows Vista


By default, Vista doesn�t install the Telnet client.
The client is for text-based communication with remote systems.
You can install it by following these steps:
1. Click Start then select Control Panel.
2. Select Programs and Features.
3. Select Turn Windows features on or off.
4. Select the Telnet Client option.
5. Click OK.
6. A dialog box will appear to confirm installation. The telnet command should now be available.

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