Cannot Verify Server Identity on iPhone: 7 Simple Fixes

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Connect your Mail account to your iPhone's server again
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Do you see the error message "Cannot verify server identity" on your iPhone? This means your Mail account isn't connecting properly to your device. Luckily, there are a few things you can do to fix it. Here's what to do when you cannot verify server identity on your iPhone.

Why Can't I Verify Server Identity on My iPhone?

If you can't verify server identity on your iPhone, your Mail account is having trouble syncing. This can happen if it doesn't have the right permissions when you first add it or even software issues. Delete the Mail account from your iPhone, and then add it again.

Method 1
Method 1 of 7:

Restart Your iPhone

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    Before you try any fixes, give your iPhone a restart . This can solve minor software bugs.
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Method 2
Method 2 of 7:

Restart the Mail App

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    If the Mail app has been running in the background for a long time, it may just need help loading new information.
    • On iPhones without a Home button, swipe up from the bottom of the screen, hold, and then release. Swipe up on the Mail app to close it. Open it again.
    • On iPhones with a Home button, double-press the Home button. Swipe up on the Mail app to close it. Open it again.
Method 3
Method 3 of 7:

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    This is the grey cog icon.
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    You'll need to scroll down to find this option.
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    This will be at the center of the page.
    • You'll see a list of all added email accounts on your iPhone.
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    A new page will open.
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    This is at the bottom in red font.
    • You may need to tap Delete Account again to confirm.
    • Return to the Accounts page.
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    Tap Add Account at the bottom, select your provider, and enter the login information.
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Method 4
Method 4 of 7:

Reset Network Settings

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    This is the grey cog icon.
    • Resetting your network settings will forget any Wi-Fi networks and passwords, cellular settings, and VPN /APN settings. [1]
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    You can find this towards the middle of the page.
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    This will be at the bottom of the page, above Shut Down .
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    You can find this at the bottom.
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    This is the second option.
    • It may take a few moments to reset.
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Method 5
Method 5 of 7:

Reset All Settings

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    This is the grey cog icon.
    • This will reset your Network Settings, Keyboard Dictionary, Home screen layout , and Location & Privacy settings.
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    You can find this towards the middle of the page.
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    This will be at the bottom of the page, above Shut Down .
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    You can find this at the bottom.
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    This is the first option.
    • It may take a few moments to reset.
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Method 6
Method 6 of 7:

Disable SSL Certificates

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    This is the grey cog icon.
    • If you can't verify server identity, you can try disabling the SSL certificate for your account.
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    You'll need to scroll down to find this option.
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    This will be at the center of the page.
    • You'll see a list of all added email accounts on your iPhone.
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    A new page will open.
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/89\/Cannot-Verify-Server-Identity-iPhone-Step-23.jpg\/v4-460px-Cannot-Verify-Server-Identity-iPhone-Step-23.jpg","bigUrl":"\/images\/thumb\/8\/89\/Cannot-Verify-Server-Identity-iPhone-Step-23.jpg\/v4-728px-Cannot-Verify-Server-Identity-iPhone-Step-23.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>\u00a9 2024 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is <b>not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.<br>\n<\/p><p><br \/>\n<\/p><\/div>"}
    This is towards the bottom, above Delete Account .
  6. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3e\/Cannot-Verify-Server-Identity-iPhone-Step-24.jpg\/v4-460px-Cannot-Verify-Server-Identity-iPhone-Step-24.jpg","bigUrl":"\/images\/thumb\/3\/3e\/Cannot-Verify-Server-Identity-iPhone-Step-24.jpg\/v4-728px-Cannot-Verify-Server-Identity-iPhone-Step-24.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>\u00a9 2024 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is <b>not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.<br>\n<\/p><p><br \/>\n<\/p><\/div>"}
    You can find this at the bottom of the page.
  7. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b3\/Cannot-Verify-Server-Identity-iPhone-Step-25.jpg\/v4-460px-Cannot-Verify-Server-Identity-iPhone-Step-25.jpg","bigUrl":"\/images\/thumb\/b\/b3\/Cannot-Verify-Server-Identity-iPhone-Step-25.jpg\/v4-728px-Cannot-Verify-Server-Identity-iPhone-Step-25.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>\u00a9 2024 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is <b>not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.<br>\n<\/p><p><br \/>\n<\/p><\/div>"}
    The switch will turn grey.
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Method 7
Method 7 of 7:

Update Your iPhone

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    These updates provide important fixes. [2] To check for an update , do the following:
    • Open Settings .
    • Tap General .
    • Tap Software Update .
    • Tap Download and Install .

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      References

      1. ↑ https://support.apple.com/en-us/111786
      2. ↑ https://support.apple.com/en-us/118575

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