Enabling GMail IMAP access

IMAP sync of Gmail requires that IMAP is full enabled. And here is how to check if your Gmail has IMAP enabled:

1. Log into your Gmail account at https://mail.google.com.
2. Go to your Gmail settings and select “Forwarding and POP/IMAP” (the direct link should be https://mail.google.com/mail/u/0/#settings/fwdandpop).Please verify the following:
   1. “Enable IMAP” should be selected.
   2. “Do not limit the number of messages in an IMAP folder” should be selected.
   3. Save the above settings.
3. 
4. Go to the “Labels” tab (the direct link should be: https://mail.google.com/mail/u/0/#settings/labels).
   1. Verify that “All Mail” have “Show in IMAP” enabled.
   2. If you are syncing emails from a label or sharing a label, you need to ensure that label and all sub-labels in that label have IMAP enabled.
5.