On hotel or cafe wifi mail does not work but the browser does: captive portal.
Many public wifi networks require a login page (room number, accept terms) before letting traffic through. Mail apps never see that page, they try direct connection and fail silently. Open a browser to an http site (not https) first, the login page appears.
Try this first
- 1Open Safari/Chrome to an http URL, non-https triggers the redirect to the captive portal.
- 2Run the portal flow (room number, terms), only then is your traffic forwarded.
- 3Test mail: open Outlook/Gmail, mailbox should sync.
- 4On iOS the captive portal sometimes appears as a popup at wifi connect, accept it or wifi stays 'limited'.
When to bring us in
Always-on VPN or strict MDM lockdown blocks the captive portal flow? We set an exception policy so login can complete before the tunnel comes up.
See also
- Work and personal apps blur together on the same phoneAndroid Enterprise and iOS-with-Intune can enforce a work profile, isolating business apps in a separate container.
- Setting up Microsoft 365 on a new phoneOutlook, Teams, and OneDrive run smoothest if you install Authenticator first and sign the others in afterwards.
- Moving Authenticator to a new phoneMicrosoft Authenticator has built-in cloud backup. Run it before wiping the old device, otherwise everything has to be re-added by hand.
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