iPhone won't sync external email after password change
I changed password on external email account and iPhone won't synch with it. I have deleted account and am trying to reinstall it.
Here is an example of Google Mail with 2 step verification:
--> 2 Step Verification on Google Mail, in that case, please generate an App-Specific password and use it. --> Sign in with App Passwords - Google Account Help
Your email account may have a 2 step verification. Please check