Is it possible to set up text notifications for specific email address?

Yes – that is possible. To that, add a new rule and just enter the email address in the For emails sent from field:
.

Is it possible to setup a text alert notification by domain name vs. individual email address?

Yes – that is possible. To that, add a new rule and just enter the domain name in the For emails sent from field:
.

Have a question you cannot find an answer to?

Please check the support section here. If you still cannot find a support note or an answer to your request, please feel free to contact us at any time, and we will be happy to help. The support email address is: support@cloudhq.net