Outlook app for iOS (instructions based on iOS 9)
1) Launch app and tap the Settings icon at the bottom right
2) Tap "Add Account" and then tap "Add Email Account"
3) Enter your email address and tap "Add Account"
4) Tap "Setup Account Manually" (or it will eventually go to this page automatically)
5) Under "Select your email provider" tap "Exchange"
6) Verify the email address that is entered, and enter your password, description (e.g. "Work" or "prxy")
7) Tap the switch next to "Use Advanced Settings" and enter:
- Server: secure.prxy.com
- Domain: (leave blank)
- Username: (your full email address)
8) Tap "Sign In"
9) The Settings page will come back up, with your new account in the list. Tap "Mail" at the bottom to see your email.