Servers running Plesk let you create email addresses at the domains hosted on your account.
These instructions do not apply to Plesk shared hosting accounts. If you're using a Plesk shared hosting account and want to create email, see Set up email addresses.
Your Mailbox's size counts toward your account's Disk Space Usage.
If your cPanel email accounts aren't working, you probably need to update your domain name's email settings (technically known as its DNS zone file's MX Records) — we've got that information for you in Configuring DNS for Your Plesk Domain.