Knowledgebase: Email Issues
Email won't send. I get Outlook error 0X800CCC0E (port 25 is blocked)
Posted by Chris Gebhardt on January 11 2007 10:50 PM
Many corporations and Internet Service Providers have decided to limit their users' use of outgoing e-mail. The reasoning for this action is that if they control each outgoing e-mail message, they can cut down on the amount of SPAM that originates from their network. Even though you are not a spammer, you must adhere to their rules.

PLEASE NOTE: The inability for you to send email from another ISP is not under our control, and does not indicate a problem with the service that we provide.

We provide Submission Port service to customers unable to send email using Port 25. You can configure your Outgoing Server (SMTP) to use port 587 instead.

If this still does not work for you, you may be able to contact your company's Network Administrator or ISP and have them open up email relay to your server. In severe cases, you will be forced to use your service provider's email server for SMTP. You will need to contact your service provider for further assistance.
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