Summary: Marketing automation and CRM systems may eventually converge, but for now marketers need help explaining why they need a system of their own. You can catch another session in Atlanta next week and in Seattle on December 1.) Joe Moloney gave a more detailed answer about limits in Salesforce.com in particular, including lack of CAN-SPAM compliance and limits on mass emails. hugely enjoyed yesterday’s Boston session of the Silverpop -sponsored B2B Marketing University. But there were a couple of topics that caught my fancy: 1. Vendors take note.