Google recently changed their security policy in regards to its use by 3rd Party apps, below is how to become compliant with this change: 
Log into the gmail account you use to send your emails. 
Click the link below to go to your Gmail SECURITY settings. 
https://myaccount.google.com/security?hl=en&pli=1
Click on "2-Step Verification" and follow the prompts. 

Once you successfully set up 2-Step Verification, you can back out to the Security settings again.  
Now "App passwords" appears.
Click on that, and then confirm with your GMAIL password

IF "App passwords" does not appear above, you can fine it here: 
https://myaccount.google.com/apppasswords
On the next page, select the first pulldown to be "Mail" and the second to be "Other (Custom Name) 

On the next page, Name the App Password VRP

Click "GENERATE"
On the next page, you will get a password from GOOGLE, this will be your App Password that GOOGLE wants you to use with your VRP email Application. Copy it, write it down, or better yet, take a picture of it with your phone. 

Log into VRP, and on the main page click on UTILITIES/RPQUERY
In RPQUERY click on FILE in the Upper left and select "Email Setup"

Type the App Password you recorder earlier and insert it into the VRP email settings, then Click SAVE

Your Gmail should now work with VRP