Magento 1 Account Matching Rules
This configuration area can be found in the Magento Admin Portal by navigating to "Salesforce (tab) > Integration Setup > Account Matching Rules (page)"
STEP 1: Configuration
This page allows you to create rules allowing you to look at the email address of the customer and force them to be added to a specific account in Salesforce. You can use this to group all SPAM contacts or contacts from a known organization Example: @microsoft.com > Microsoft Corp. (account)