How to access webmail for cpanel?

Step-1

Type your domain name then slash and webmail

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Step – 2

Please type full email id and password
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Step – 3

Then choose any of the email editor ( like Roundqube, Squirrelmail, etc )

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Spep – 4

Now you can compose, send mail also you can check mail in inbox.
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Step – 5

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You can also read – Difference between Transactional SMS and Promotional SMS