blog posts Registering Domains for Email+ From Addresses Aug 28, 2019 12:15 pmEmail+All From Email Address Domains must be registered before they will work. For example if you wanted to send an email from firstname.lastname@example.org you would first need to register '@abc.com'. If you try to use a domain that has not been registered you will get a message stating that. To register a domain please use our Contact Us form. Requests take approximately two weeks to process.