Step-1
Type your domain name then slash and webmail
Step – 2
Please type full email id and password
Step – 3
Then choose any of the email editor ( like Roundqube, Squirrelmail, etc )
Spep – 4
Now you can compose, send mail also you can check mail in inbox.
Step – 5
You can also read – Difference between Transactional SMS and Promotional SMS