Can’t Verify Server Identity is a run-of-the-mill error in iPhone and various iOS devices. It infers that the device considers the mail server’s validation is fake.


Around here at ARZHOST.COM, we see this error essentially reliably as an element of our Outsourced Tech Support organizations, where we manage the specialized help exercises of the web have, electronic publicists, and anything is possible from that point.

“Calendar Can’t Verify the Identity of the Server”, An average error message looks like this:

What is the error Cannot Verify Server Identity?

Exactly when an iPhone endeavors to interface with a mail server securely, it’ll bring the server’s SSL confirmation and check on the off chance that it is trustworthy. If it notices the underwriting ended, or not planning with the space name, or not embraced by a striking association, it’ll mark the cert as conniving.

By then, at that point, “Calendar Can’t Verify the Identity of the Server”, the strong affiliation misfires, and iPhone or the device will show the error Cannot Verify Server Identity.

We see this mix-up for the most part when:

  • The mail server’s verification is changed (eg. new supporter), or
  • One more record is being a course of action in iPhone, or
  • After a record movement

Disastrously, in “Calendar Can’t Verify the Identity of the Server”, the error can appear while using any mail server. It even springs up with notable mail waiters like,, etc too.

What are the purposes behind the Cannot Verify Server Identity error?

There are circumstances where this error is shown when the statement is undoubtedly dreadful (ended, the wrong region, etc).

However, in “Calendar Can’t Verify the Identity of the Server”, we habitually see circumstances where significant supports are in like manner misclassified as fake by iPhone. The two huge reasons wave seen are:

1: A confound between Domain name and Server name

Many working with associations give the mail server name as However, the confirmation of the mail server will be in the course of action

While orchestrating iPhone customers put in their mail server as, but when iPhone brings the announcement, it sees the name scored in it.

“Calendar Can’t Verify the Identity of the Server”, iPhone plays safe and engravings the confirmation as dishonest.

How we fix it

We fix it in three ways:

  • Change mail server name – in circumstances where the working with the customer has a VPS account, we change the mail server name to organize with the verification name.
  • Fix mail course of action – If the working with a customer is a Shared Hosting customer, we help them with changing iPhones mail server settings to use rather than
  • The course of action is a free dedicated statement for VPS – customers who didn’t use an authentic confirmation (eg. self-stamped certs are untrusted), we game plan supports from Let’s Encrypt, which is a genuine CA that gives free SSLs.

2: Bug in iPhone and iOS

“Calendar Can’t Verify the Identity of the Server”, Apple uses truly noteworthy checks to ensure assertion security. Thusly, if it is totally difficult to change the server’s confirmation name or the mail customer’s MX name, the slip-up will remain anyhow.

In the circumstances where this error comes up after a server confirmation change, we help with mailing customers to explicitly add the server’s SSL confirmation to the Trusted summary.“Calendar Can’t Verify the Identity of the Server”, To do that,

  • Tap on the Details button shown in the slip-up message.
  • Besides, in the accompanying screen, tap on the Trust associate.

Bit by bit guidelines to fix it in iOS 10.x+

In the later types of iPhone and iOS 10.x+, “Calendar Can’t Verify the Identity of the Server”, this decision to add confirmations to Trusted once-over is at this point not available.

Consequently, for such devices, wave found these means to work:

  • Eradicate all mail accounts related to your space.

Go to Settings > Accounts and Password > [Account Name] > Delete Account.

  • Then, remove all amicable mail servers in settings.
  • Re-add the mail account(s).

“Calendar Can’t Verify the Identity of the Server”, will give the decision to Trust the confirmations again as depicted already.

Prize: Changing SSL settings

We are adding this tip from various reactions, and our inclusion with the past 2 years. “Calendar Can’t Verify the Identity of the Server”, A large part of the time handicap SSL can moreover fix the error.

The particular advances include:

  • Open the Settings application and examine Passwords and Accounts.
  • Tap the mail application that is welcoming on certain issues.
  • Then, at that point, Select the enrolled Account.
  • Investigate to Advanced settings and weaken the Use SSL feature.

Regardless, sending messages over non-secure procedures can peril your data.

Reinstall Outlook/Gmail mail server confirmations

Lately, “Calendar Can’t Verify the Identity of the Server” when a customer reported the can’t check server character error in Outlook, our Dedicated Maintainers fixed it by reinstalling the assertion.

  1. Customers will get Internet security forewarning with 3 decisions, Yes, No, View Certificate. Here, we click the View Certificate button.
  2. Then, Click on Install Certificate.
  3. Then, at that point, we will see the import wizard. Leave Current customer picked and click immediately.
  4. Pick Automatically select the confirmation store reliant upon the sort of confirmation.
  5. Snap Finish.


Can’t Verify Server Identity screw up is achieved by iPhones and iOS’s extreme confirmation of mail server revelations. “Calendar Can’t Verify the Identity of the Server”, Today wave covered the really two establishments for this error, and how our Hosting Expert Planners fix this mistake.

People Frequently Ask

Question # 1: What to do if iPad says Cannot verify server identity?

Answer: A recent firmware update for the iOS devices has reset some settings of their configurations. This should resolve the issue. If you are getting the error “Cannot Verify Server Identity” on your apple device, you will need to reset your email account on your device.

Question # 2: Why does my iPhone say Cannot connect to the server?

If the iPhone displays a “Cannot Connect to the Server” error message when you’re sending an email with the Mail app, it’s usually due to the outgoing mail server settings. In the General Settings panel, choose “Mail, Contacts, Calendars” and tap the account you want to use.

Question # 3: What is an IMAP server?

Answer: Internet Message Access Protocol (IMAP) means that all of your emails are saved on your Internet Service Provider’s servers. If you are using IMAP, you can run an email program at home and an email program at work and both programs will access the same setup messages and folders.

Question # 4: How do I fix the connection to the server that failed?

Answer: Turn off iCloud and go back up all of your mail accounts and then reset the password. Enable Airplane mode in settings and then disable it, this sometimes fixes the error. Delete the account with issues. Next, create the account again as a new account, sometimes just re-creating the account fixes the issue.

Question # 5: What is a server for email?

Answer: An email server, or simply mail server, is an application or computer in a network whose sole purpose is to act as a virtual post office. The server stores incoming mail for distribution to local users and sends out outgoing messages. An email server may also be known as a mail or message transfer agent.