Har inte fått mail pushat till mig på 2 dagar. Provade precis att följa detta och nu fungerar det igen.
Go to Settings, Fetch New Data, scroll down to Advanced and change you mail setting to Push to Manual. Press home.
Go to the Mail icon, waiting for that spinning checks your email. When it disappear press home again and turn iPhone off for a minute or so.
Turn it on again, go to settings, fetch new data, advanced change back your mail settings from Manual to Push. Press home.
Try to send a test email. It should appear.