028: Why can't I send email from my home computer to off-campus email addresses?

To send email via Mines servers when off campus, there are these main options:

  1. Using a web browser, log into the Mines Virtual Private Network first and start a full VPN connection. (See https://ccit.mines.edu/CCIT-VPN for VPN installation and configuration information.) If you don't yet have the Mines VPN set up on your computer, some configuration  will be required the first time. For help, submit a Mines Help Center "Helpdesk" (http://helpdesk.mines.edu) support request. Once connected to the VPN, your computer is effectively part of the Mines network and standard Mines email settings and email programs will work, even if you are physically off campus.
  2. Faculty and staff may access Exchange Mail through a web browser and the Microsoft Outlook Web App, or MOWA, web interface (https://exchange.mines.edu) instead of a desktop email program. In this case, you will access the Mines network and servers directly.
  3. Students may access their MyMail (http://mymail.mines.edu) account through this web-based interface and do not first need to start the VPN.

Why is the Mines network and email system configured to restrict access in this way? In order to prevent spammers from using Mines email servers to forward spam, our servers block the relay of mail to and from any non-mines.edu system. If you connect to the campus network through an external Internet Service Provider -- a non-mines.edu system -- this will affect you. However, if you connect through a system attached either to the Mines network (such as web-based MOWA or MyMail email) or through the Mines VPN and a regular email client, as described above, your email will function properly.

Several other -- generally rare -- problems may affect your ability to send and receive Mines email at home. If problems persist, please submit a Mines Help Center "Helpdesk" (http://helpdesk.mines.edu) support request and we will work through the problem with you.


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Last Updated: 08/07/2017 14:41:27