In such a situation, an attacker tries to trick you into accepting a different digital certificate for the connection than the one associated with the host and domain name of the web server your device is trying to reach. Third parties called certificate authorities (CAs) cryptographically sign the digital certificates, the identity documents that servers provide when a browser or other software client makes a secure connection. CAs also have signatures that operating systems and browsers build into their versions. We have mentioned steps below to Fix Cannot Verify Server Identity Error
3 Ways to Fix Cannot Verify Server Identity Error
Exit and Restart Mail App
Update iOS Version
Reset Network Settings
Final Words
We hope like our article on how to Fix Cannot Verify Server Identity Error. To connect securely to a mail server, your iPhone attempts to retrieve the server’s SSL certificate and then checks to see if it is reliable. If it finds that the certificate does not match the domain name, has expired, or has not been signed by the company, it is considered unreliable. In this case, the error message “Cannot Verify Server Identity” appears. This error usually occurs when you set up a new email account on your iOS device or change the mail server certificate. The same thing can happen after migrating an email account.