How to change the main A Record and keep the e-mail service on Keliweb

If you have the necessity to point the A Record of the main domain out of the plan you subscribed with Keliweb but keeping the e-mail service included in your current plan, you have to follow the procedure below:

1. Log-in to your customer area
2. In the "My services" section, click "Domains"
3. Select the domain you are interested in and click "Manage"
4. Click "DNS Record Management" 
5. Delete the record mail.domain.tld, clicking the trash icon 
6. Add the "mail" record in consideration of the IP provided during the registration procedure 
7. Modify the MX record pointing it to mail.domain.tld.