For further Apple support reference, please see: canï¿½t send or receive emails on your iPhone, iPad, or iPod touch. You may not see the option to trust the self-signed certificate until all of the accounts have been removed and then re-created (reported in Apple discussions forum). If you have multiple accounts created on your iOS device, then you will need to remove and recreate them too. Otherwise, you may need to wait 15 minutes, 30 minutes, or hourly depending on the setting you have selected in Fetch New data. If you have set it to NEVER, then your emails will still be on the server, but you may need to set the fetch to manual in order to get the emails immediately. POP3 Email accounts: If you are using a POP3 account and you have your email set to DELETE in 7 days or when removed from Inbox, then there is the possibility that your emails will be deleted after deleting your account from the iPhone/iOS device. You will be basically removing your email account from your device and then re-adding it. If your email account is with InMotion, then deleting your email settings in the iOS device will not delete your email. Make sure that you know where your email is saved. The main suggestion from Apple on correcting this issue is to remove your email account and set it up again. The solutions for each type are listed below Removing and Re-adding your Mail account There are various ways that this error can be seen based on the software or device that you are using. How to fix the Cannot Verify Error in the iPhone and iOS devices Note that all of these solutions are based on the fact that you are using SSL for your email. The following solution is based on multiple report/posts from users and Apple support. This is mainly happening in recent releases of Mac iOS 10.2x and it affects both IMAP and POP3 account types.

The main issue is that the mail client “ cannot verify server identity“. If you are using the iPhone mail client or other Apple devices using iOS to access email, then you may be seeing issues with sending or receiving email.

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