Increasing mail/email account space in Linux Cpanel?
Follow the below to increase the space for the mail account in Cpanel.
Step 1: Login to your Cpanel account.
Step 2: Click the E Mail Accounts icon in the home page.
Step 3: A list of the mail ids created by you will be displayed in the new page.
Step 4: Click the Change Quota menu of the respective mail id from the list for which you want to change the password.
Step 5: Now enter the value of your choice in Mailbox Quota column. The value will be represented in 'Megabytes'. You can simply click Unlimited option.