If you have a business domain email address based on a WordPress.com site, you can easily update your sender identity in your tinyEmail account. Then, you can create and verify a DKIM record.
Signing up for a DKIM
Log in to your WordPress.com account.
Open the Manage Your DNS Records page.
Locate and click your purchased domain name.
Go to set up DNS records.
Click Add a record.
Creating a CNAME record
Enter the below values in the fields you see in the screenshot. Then click Add DNS record. While saving the record, you might see a warning message. Just click Yes.
Type: CNAME
Name (Host): tec1._domainkey
Alias Of (Points To): tec1.dkim.tinyemail.com
TTL: 3600
Configuring the tinyEmail account
Open tinyEmail.
Go to the My Account page.
Select the DKIM menu tab.
Go to the Sender domain drop-down.
Select your domain.
Click the Check arrow.
If DKIM is successfully set up, you'll see the status as DKIM verified. If you have a problem, contact our support team.
Sending DKIM-verified email
While creating/scheduling campaigns, use a DKIM-verified sender email if you have multiple sender identities. If you have one sender email, that will be the default.
Wrap up
DKIM verification doesn't take much time, and it isn't very hard. The benefits that come to you are enormous. What are you waiting for?