Mailbox sizes can be increased by the related Webnames account owner.
This allows users to scale their email storage as needed to manage increasing demands on email usage effectively.
Or, to manually manage your domain's email accounts:
Log into your Webnames.ca account
Navigate to My Account > Email Accounts
Under the applicable domain name click the Manage button.
Under the Modify heading, change the Package Type to reflect your desired storage amount.
NOTE: When upgrading (or downgrading), all email accounts associated with a particular domain name must all have the same storage amount.
Click Apply and proceed through the shopping cart to complete your upgrade purchase.