• Log in to https://webmail.<yourdomain>
• On the left side, click "Website Home."
• Scroll down to "Other Webmail Features."
• Click on "Configure Mail Client."
• For Apple macOS
  • To the right of "iOS for iPhone/iPad/iPod and MacOS® Mail.app"
  • Click on "IMAP over SSL/TLS"
  • Click on "Proceed."
• Find & Open the downloaded file.
• Go to "System Settings"
  • Click on "Privacy & Security."
    • Scroll down to "Others" and click on "Profiles."
    • Under "Downloaded," double-click on the profile and click "Install."
    • Enter your email "Password" and click on "Install."
  • Click on "Internet Accounts."
    • Click on the Email Account"
    • If "Notes" is turned on, turn it off and click "Delete from My Mac."