I can recieve e-mails but I can't send, why?

I can send e-mails to local users, xxxx@_my_own_domain_.com but I can't send e-mails to any other network?

This is the most common e-mail question we get and the solution is very simple!
In the recent years due to higly increasing SPAM, mail servers are not allowed to relay e-mails unless you provide a password for verifying that you actually have an account on that server. This is called SMTP authentication. If SMTP authentication is not enabled you will only be able to send e-mails to the accounts on the same mail server, not outside. Please follow these instructions for Outlook Express to see if you have SMTP authentication turned on. Most of the e-mail clients have this setting in the account properties and look similar to this example;

FROM TOOLS > ACCOUNTS > SELECT YOUR ACCOUNT AND CLICK PROPERTIES





CLICK THE SERVERS TAB,

CHECK THE BOX "MY SERVER REQUIRES AUTHENTICATION" AS SHOWN BELOW

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