1) Sign into the top level admin account for the SmarterMail server you are working with.

2) Select the domain you are working with then navigate to the General tab.

3) Locate the Email Signing section, click the Enable button for the key.

4) The TXT record name and TXT record value should be displayed, copy both of these to a separate notepad.

5) Add the previously copied TXT record name and record value to the DNS server you are working with.