This issue can be caused by any of the below possibilities.
1. Internet or Network connection missing 2. Issue with Internet or Network e-mail server 3. E-mail program incorrectly configured 4. Security issues 5. E-mail program corruption or other issues
Internet or Network connection missing Verify that your computer is able to see the Internet and/or other computers to ensure that your computer is not encountering a connection issue, which would be causing your e-mail issue. Issues with Internet or Network e-mail server Ensure that your Internet e-mail server or your Network e-mail server is not encountering issues by contacting either your Internet Service Provider or your Network administrator. E-mail program incorrectly configured Verify that your e-mail program is properly configured to connect to your Internet or Network e-mail server. It is very common for the e-mail program to have either the incorrect POP or SMTP address. As mentioned on the above links to POP and SMTP, the POP server is used to retrieve mail and the SMTP server is used to send mail. Therefore, if you are having difficulties retrieving mail, verify that the correct POP server and port is defined. If you are unable to send mail, verify that the correct SMTP server and port is defined. Generally, the SMTP server is port 25 and the POP3 server is port 110. However, the actual POP3 and SMTP server name varies depending upon your Internet or Network providers. NOTE: When using one Internet Service Provider or Network, users may be unable to send e-mail through a different Internet service provider or network because of a SMTP block used to help prevent SPAM from being sent through the provider's e-mail server. If you are using a different Internet or Network connection while attempting to send e-mail and are unable to send e-mail, verify with the ISP or Network administrator that a SMTP block is not in place. Generally, if a SMTP block is in place you will receive errors such as: SMTP error SMTP rejected Server response 550 SMTP prohibited by administrator Error 0x800ccc79 Security issues All Internet and Network servers require that users login using their username and password to send and receive their e-mail. Verify that you are entering the correct password when attempting send/receive your e-mail. If you are not being prompted for a username or password, it is likely that the username and password are configured within the e-mail program; verify that the correct username and password have been entered into the program. Note: Some network administrators or internet service providers may expire your password after a length of time. If the password is not changed within that period it is very possible that you will no longer be able to receive e-mail until the password is changed. E-mail program corruption or other issues If you have checked and/or verified each of the above recommendations and are still unable to receive / send e-mail, it is possible that the e-mail program may have issues and we recommend that you attempt to reinstall it.
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