Why isn’t my verification codes coming in my mail

See -> If you didn't receive your verification or reset email        

If you didn't receive your verification or reset email - Apple Support

MailGlitch Said:

"Why isn’t my verification codes coming in my mail: why my mail not sending me verification codes"

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Troubleshooting Verification Codes:

A. Check the junk folders:

You typically don't get a notification of junk mail

B. Give it a Few:

It might take a few moment to get the code.

C. Have an Internet Connections:

Be certain your are connected to the Internet via Wi-Fi or Cellular.

D. Make Sure Two-Factor Authenticating is an Option for you:

Go Here: Availability of two-factor authentication for Apple ID - Apple Support