For customers with Colorado Valley email service (, a spam filter is provided through the Greymail spam management site. This filter is to remove unwanted spam email, however, it could block some legitimate email that you wish to receive.

This user guide is provided to show how to block certain emails or white list emails you wish to receive. General information about Colorado Valley’s email service is provided here.

For other questions about managing your CVCTX email, call Technical Support 877-452-9035.