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Outlook Error 0x800CCC80 when sending email.. Unable to send email - no connection to mailserver on port 25.




The connection to the server has failed. Account: '', Server: 'mail.mydomain.com', Protocol: SMTP, Port: 25, Secure(SSL): No, Socket Error: 10060, Error Number: 0x800CCC0E" error when attempting to send emails.

If your Outlook Email Programis reporting error "0x800CCC80" when attempting to send an email, then your email program is not correctly configured or your ISP is intercepting the outbound emails (hence unable to contact the mailserver on port 25 (Outbound SMTP email)).

This will be caused by one or more of:

  • incorrect username
    it should be your full email address as you created in the control panel
  • incorrect password
    it should be your email account apssword as you set it in the control panel
  • incorrect mailserver
    it should be mail.(yourdomain)
  • incorrect authentication settings
    under Tools > Account Settings > More Settings > Outgoing Server select "Log on to incoming mail server before sending mail" also called "My Outbund Server requires Authentication - same as incoming"


If you are very sure you have checked all of the above and they are all ok, then you need to call your ISP support desk to find out why they are interfering with your outbound emails.

 

 

For the avoidance of doubt ... it *IS* an error with your email program configuration which only you can fix, or a problem with whomever you use for the internet connection blocking your outbound emails.

 

Please do not contact support for assistance regarding "0x800CCC80" as there is nothing we can do to fix your email program and if your ISP is applying port limiting/blocking to port 25 like BT, Virgin, Sky, AOL etc, then you _will_ need to upgrade to a decent ISP that provides a proper connectivity service, not just a "facebook browsing" service.



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