February 6, 2023


Whilst wearing out any paintings, like sending/receiving emails, mistakes just like the “Can not Test Server Identification” one in iOS units are conceivable. This occurs when the tool can not examine the legitimacy of the mail server’s certificates. Because of an improper signature, expired certificates, or mismatch of server and given area call, the verification procedure deems it as inauthentic and displays the mistake.

With this mistake, customers can not trade their emails throughout the account, so a handy guide a rough answer is essential. At the moment, you’ll be able to use Norton’s LifeLock to give protection to your e-mail account and different ID main points.

Rectify the Can not Test Server Identification Factor?

To take away the error- Can not Test Server Identification, iPhone and iPad customers take a number of steps on their units. Which one will fit your wishes is determined by the primary reason for the mistake for your iPhone or iPad. The next are the most typical answers to the issue.

Answer 1: Reboot the iPhone/iPad Instrument

Some of the absolute best answers for the Can not Test Server Identification error is to restart the tool at once. This easy troubleshooting methodology will intervene with the server connection and renew the relationship when it reboots once more. To notice, doing this step is acceptable if you’re blind to the precise reason for the mistake and is a minor failsafe procedure. If the reason being extra advanced, the mistake message will seem later.

Grasp the Up-volume button and the facet button to change off the iPhone/iPad tool. Press and dangle till the “Slide to energy off” possibility seems. Transfer the given slider icon to the tip: that can transfer the tool off. Then, press the facet button and dangle till the tool restarts.

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Answer 2: Kill the Mail app

Some iOS customers stay the Mail app incessantly lively, and that may reason it to begin lagging or display mistakes. So, it will assist for those who swipe up the iPhone display screen to open the app carousel. Stay swiping proper till you succeed in the Mail app and swipe on it up. Deactivate the app and turn it on once more later.

Answer 3: Disconnect/Reconnect the Web Connection

Some customers understand the Can not Test Server Identification iPhone or iPad error although the mail server and tool don’t seem to be affected. This may happen if the native community connection they’re the use of is dealing with some error.

In case your connection to an ISP is inflicting the issue, disconnect and reconnect with a couple of mins of an opening in between. Moreover, you’ll be able to flip the modem and router off if you’re the use of them. Restart once more after a minute of ready.

Answer 4: Recheck the iOS Replace

In iPhone/iPad units, the Mail app is without doubt one of the inbuilt programs. So, updating the iOS or iPadOS device to a brand new model can exchange the Mail app if such instrument upgrades are to be had within the bundled iOS replace. In case you are the use of the tool with an older OS and spot the Can not Test Server Identification error, you will have to do an IOS replace.

Answer 5: Reset the Community Settings

Whilst you’ll be able to disconnect and reconnect your web connection like in Answer 3, resetting the community settings is healthier if the issue persists. When customers reset the community settings, the method deletes all contemporary settings, like customizations one made. It is going to go back to default settings and take away the problems inflicting the verification factor.

How to try this?

Step 1: Open your iPad or iPhone tool and cross to the Settings utility.

Step 2: Click on on Common > Reset.

Step 3: Below the following choices, make a choice the “Reset Community Settings” possibility.

Answer 6: Delete the Mail Account and Open it Once more

While you understand the Can not Test Server Identification drawback for your tool, you’ll be able to delete your account totally from the app. That can take away the problem, and you’ll be able to reactivate your account in a while. With instrument like Norton LifeLock, you’ll be able to again up your account knowledge and repair them while you re-add your mail account.

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How to try this?

Step 1: Open the Settings app via your iPad or iPhone tool.

Step 2: Within the listing, make a choice the “Passwords & Accounts” variety. In case you are the use of older iOS model fashions, press the “Mail, Contacts, Calendars” or “Mail” possibility > Accounts.


Step 3: Make a selection the e-mail account to take away. Press the Delete Account button.

Step 4: A affirmation advised will seem. Hit the “Delete from My iPhone/iPad” or “Delete Account” button, as in line with your tool’s OS model.

Delete Account

Step 5: Go back to the Accounts & Passwords/Accounts web page after deleting the account.

Step 6: Make a selection the “Upload Account” variety. Faucet on the most well liked e-mail provider supplier and insert all main points as prompt to complete the e-mail setup.

 Add Account

Answer 7: Disable the SSL

Every other commonplace repair to care for the Can not Test Server Identification factor is deactivating the lively SSL certificate. Those can every now and then block the verification procedure whilst looking to come with a brand new account. So, disabling SSL would possibly take away the issue.  

How to try this?

Step 1: In your iPad or iPhone, cross to Settings.

Step 2: Open the Passwords & Accounts menu.

Passwords & Accounts menu

Step 3: Scroll down to seek out the Mail app and click on on it.

Step 4: Faucet at the registered account > Complex.


Step 5: In finding the SSL selection and toggle the slider beside it to disable the SSL.

use SSL

Answer 8: Trade the Time and Date

When you have the unsuitable date and time enter inside your iPhone tool, that may reason the Can not Test Server Identification advised. You will have to take a look at that your smartphone’s date/time settings are the appropriate ones in line with your actual time zone. If no longer, exchange it to unravel the issue.

How to try this?

Step 1: Open your iPhone and get entry to Settings.

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Step 2: Click on on Common > Date & Time.

 Change the Time and Date

Step 3: Within the subsequent display screen, toggle the slider beside the “Set Robotically” function to allow it. Then, take a look at if the e-mail sending and receiving serve as has resumed and perceive if the method labored.

Answer 9: Replace the Settings to your iOS provider

If an iPhone is operating with an old-fashioned provider environment, the verification drawback is interrupted because of incompatibility. Plus, the out-of-date iOS provider settings will have an effect on correct connectivity along with your accounts. You will have to replace those settings to do away with the mistake.

How to try this?

Step 1: Open your iPad or iPhone tool and get entry to Settings.

Step 2: Within the Settings menu, click on at the Common possibility.

Step 3: Press About and spot the details about the provider replace to be had. Observe the entire given directions for putting in the most recent replace.

 Update the Settings for your iOS carrier

Answer 10: Troubleshoot the minor problems

More than one different eventualities could cause the Can not Test Server Identification iPhone or iPad-based error advised. As an example, if the server and domains don’t seem to be aligning, the verification procedure will analyze the certificates as improper or faux. You’ll perform small troubleshooting steps to rectify the area and server name-related inconsistencies.

  • Customers running with a Shared Website hosting connection can take away the issue once they alter the mail server configurations on their iPhones.
  • Converting the server call for the e-mail as in line with the certificates call will paintings for internet hosting consumers using VPS accounts.
  • The VPS customers running with a self-signed certificates would possibly see this factor since that’s not regarded as liable. You will have to get ready a liable certificates from a registered supply.


Relying at the primary reason why for the mistake, you’ll be able to use other ways like restarting the app/tool, resetting connections, or deleting and including the account. Test if the stable mail procedure is operating once more after testing those ways. Additionally, use the dependable Norton LifeLock instrument to give protection to your account knowledge whilst testing those answers.

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