How to fix iPhone error “Cannot verify server identity”


From time to time you can see some errors on your iPhone and one of them is “Cannot verify server identity”. This error may pop up when you are trying to use your Mail app. We understand that this can be super annoying, so without further ado, let’s see how you can fix it.

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Cannot verify server identity error – ways to fix it

Here is what to do if you see this error on your iPhone.

Close Mail app and launch it again

Let’s start with the simplest solution of all. All you have to do is force close the Mail app and launch it again. Tap the Home button twice and the App Switcher will open up. Find the Mail app and swipe up to close it. Once done, go back to the Home screen and tap on the Mail app to open it.

Restart your phone

Always remember that most of the glitches and bugs on your iPhone can be fixed with a restart. And when an error message pops up, we tend to look for the solutions online, without trying this first. So, restart your phone and see if the error shows up again.

Delete your email and add it again

By doing this you will not delete your email, you will just remove it from your iPhone. Here is what you need to do:

  • Open Settings and go to Accounts & Passwords
  • Under Accounts section find the email you want to delete
  • Tap on it and then tap Delete Account
  • Tap Delete Account to confirm the action

Once you do this, go to Settings > Accounts & Passwords > Add Account. Choose your mail service and provide the information needed.

Reset all settings

Another thing to try is to reset all settings. To do that, go to Settings > General > Reset > Reset all settings.

If nothing seems to be working, contact Apple.