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iPhone cannot verify server identity

Today whenever I enter my e-mail on iOS 10, iPhone 7 a message pops up with 'cannot verify server identity'...previosly this gave you the option to continue, details or cancel...now on iOS 10 the continue option has been dropped so I cannot simply click and get my e-mails...does anyone know how to fix? I have searched online with no joy as all are much older versions of iOS. or based on safari issues.

[Re-Titled by Host]

iPhone 7, iOS 10.0.3

Posted on Oct 19, 2016 1:33 AM

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Question marked as Top-ranking reply

Posted on Mar 29, 2017 6:27 AM

Today, I ran into the same issue with a co-worker of mine.

Somehow he couldn't setup his mail account on his iPhone, while it is running without any issues on mine.

On my iPhone i could select the Trust certificate option while creating the new Exchange account, while the Trust-option wasn't available on his phone.

At first I thought it might be the iOS version (10.2.1 vs 10.3), but I have the account running on my iPhone for over a year already.


The other difference was the WiFi being used: WEP-security on his phone and WPA2 security on mine.

After adding the SSID with WPA2 on his phone, and recreating the account, suddenly the Trust option was there as well.

This is confirmed in Certificate "Not Trusted" on iPhone.

Now it's running like a charm

126 replies

iPhone cannot verify server identity

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