Enable Gmail Access for Non-Google Applications
The steps below will show you how to change Google settings to allow access for non-Google applications. Allowing access to a Gmail account by a less secure application is one example.
Change Google Account Setting
|1. Log in to Google Account settings.
|2. In the left navigation panel, find and click on Security.
|3. On the security page find the "Less secure app access" section towards the bottom of the page. Click on the "Turn on access" link.
|4. Select the Allow less secure apps button.