Procedure:

Step 01: If you have multiple domain names on your account, make sure that the correct one is selected from the drop-down menu.

Step 02: Enter a Host Record according to your convenience to make the notations easier to access. (@ for example.com, mail formail.example.com, etc).

Step 03: TTL: Unless otherwise instructed its best to leave the Time To Live at 14400.

Step 04: Type: From the drop down menu choose TXT.

Step 05: Points To: Enter here your SPF record v=spf1 include:_spf.smtp.com ~all.

Step 06: Click the Add Record button to create the record.