Do you want better open and click rates for your email marketing? By authenticating the domain you send from in Mailchimp you will see fewer of your emails being caught in spam folders. Authenticating your domain takes a few minutes and you will get better open and click rates from your email campaigns.
If you use a webhost using cPanel (such as SiteGround, HostGator or Bluehost) then follow these simple instructions to learn how to authenticate your Mailchimp sending domain.
Instructions for authenticating your Mailchimp domain if you use GoDaddy or Cloudflare are also available.
thanks for sharing nice info how to use mailchimp with cpanel