To correct the cannot verify server identity error, the first thing you should do is check that your iPhone is displaying the correct time and date and force quit the Mail application on your phone.

As a result, if any apps on your iPhone, iPad, or Mac attempt to connect to a secure site, the network returns the certificate for its local hotspot portal server.

So the background to these 'cannot verify server' messages is that for some time - perhaps over a year - I have periodically noticed dodgy ads on Ars (mobile site only) that are served up by a ...

This guide will show you how to resolve the "Cannot Verify Server Identity" problem on the iPhone, we cover a wide range of tips to resolve it ...