iPad 'Cannot verify server identity' error

How do I fix this extremely annoying error message? Sending and receiving mail does not seem to be affected, but starting yesterday for no reason this message keepspopping up. I’ve rebooted to no avail.




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Posted on Oct 30, 2020 9:48 AM

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Posted on Oct 31, 2020 5:44 PM

As ridiculous as this sounds, the only real fix I have found to work is to delete the offending email account from your iPhone and the add it back. That seems to clear it.


You need your username and password to add your account, so be sure you have it before you delete it!


When you are adding the account, there will be a list of accounts, including Gmail, AOL and Outlook.


Even if your email account is an @live.com email address, instead of @outlook.com, choose Outlook.com.


After 30 minutes the message had not shown up again.


If I am correct, the account settings are changed from an imap to pop3. It doesn't matter to me HOW I get my emails, as long as I get them securely!


Good luck!



244 replies

Jan 26, 2021 5:41 AM in response to JTCane

I have been getting the same thing. Usually when I'm driving so I thought maybe the Wi-Fi was picking up area as in because it wasn't connecting I was getting the message so I would turn off my Wi-Fi close everything I was using and then open my map back up if I was driving. Completely annoying. But it was actually just doing it even in my house a few minutes ago. So I found this message board. Somebody said to turn off your notifications of your mail through your settings in your phone so I did that and I will see what happens. Hopefully that will be the fix.

Oct 31, 2020 12:28 PM in response to Musement

I’m likewise having the same trouble for the past few days. It was affecting me on my iPhone 8s+, and has continued on my new 12 Pro. It’s my Office 365 email account accessed through imap-mail.outlook.com. I’m still able to send and receive as normal but the error message pop up is erratic and frequent. Viewing the certificate details, the expiration is well in the future and (obviously) a trusted source.

Oct 31, 2020 5:23 PM in response to Bulletvaldez

Same issue - started appearing on my iPhone and iPad last night - today it began appearing on my wife’s iPhone and iPad. Message is “cannot verify server identity - the identity of ‘imap-mail.outlook.com” cannot be verified.” This occurs randomly as I switch from mail to messages to seemingly any app. Then it stops for a while and starts up again for no apparent reason. On my iPhone the message references a pop account.

Oct 31, 2020 10:31 PM in response to Bulletvaldez

I also have such “cannot verify server” issue since yesterday. It is related to a certificate issued by Microsoft outlook.office360.com. However, Apple disable the function for us to hit “trust” button to override such bugs issue. Besides, I only use Gmail and didn’t use hotmail before, thus I really don’t know how come I have such certificates in my iPhone/iPad. I hope Apple software engineer can help fixing it.

Oct 31, 2020 11:48 PM in response to Bulletvaldez

Same problem as everyone else. Has been happening since Oct. 30. Message pops up constantly. I tried fiddling with the date/time setting, as I saw elsewhere and it would be fixed but only for a little while. I reset network settings, bupkis. Deleted my email accounts and reinstalled them and something I noticed about the outlook.com account when it reinstalled is there was no SSL able to be checked (ie: Advanced Settings: S/MIME; Sign (everything greyed out) and Encrypt by Default (greyed out also). So I guess the security certificate is still a problem with Microsoft? Does this mean all my emails can be hacked now? Ugg. I don't think Apple monitors this community but I hope someone comes up with a solution quick. My phone is unusable at this point.

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iPad 'Cannot verify server identity' error

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