Here is a quick help on how to get the security token, in order to configure SalesForce to your Plumb5 account
Login to your SalesForce Account
Reach out to My Settings
On your left hand menu, under Personal, click “Reset My Security Token”
Click the “Reset Security Token” button and the token will be sent to your email address associated with your SalesForce account
Use the token during configuring SalesForce contacts to your Plumb5 account.