Cannot connect to imap.gmail.com:993 error
I am trying to setup some gmail accounts on Zimbra desktop 7.2.3 for Mac. I am currently running OS X 10.9.2. When I enter the setup information for the account type of Gmail, the "Cannot Connect to "imap.gmail.com:993" error appears. I have these accounts synced through Zimbra online with this information, but would like to get all email in one place.
I have also tried going through and manually entering all of the data through just a imap setup account type and get the exact same issue.
I appreciate any assistance anyone can offer.