Domain Keys Identified Mail (DKIM) is a method for reducing fraudulent email.
If you don't have a DKIM record on your domain, you can add one by following our directions on adding a DNS record.
For the "Fully qualified domain name" enter your plain domain name (e.g. example.com). Leave the rest of the fields set to the default values.
You can still use May First to sign your emails! But it's a bit more complicated. In the instructions below, carefully note where some entries contain a period, and others do not. Be sure to follow the pattern exactly.
In this documentation, we are creating a record for the domain name example.org - be sure to replace with your domain name.
1. Create a CNAME record at your DNS provider that links to a specially named subdomain of mayfirst.info.
At your DNS provider create a CNAME record that links mayfirst1._domainkey.example.org to mayfirst1._domainkey.exampleorg.mayfirst.info (Note: There is no period between example and org). If your DNS provider has a "Proxy" option for DNS entries (such as on CloudFlare), you must leave this option set to off (possibly disabled or bypass).
2. Create a DKIM record in the DNS section of your May First control panel.
exampleorg.mayfirst.info (Note missing period between example and org) and in the "Signing Domain" field enter example.org.Be sure to substitute example.org and exampleorg with your actual domain name in both steps.
Note that if you need to set up a DKIM record for a subdomain, for example sub.example.org, then the respective formats would be sub.example.org and sub.exampleorg. You would retain the period between sub and example in both steps. Be sure to substitute your actual subdomain.