Message Systems is the world’s #1 email infrastructure provider. Collectively, Message Systems' customers, including Facebook ... , LinkedIn, Twitter, Groupon, Salesforce, Marketo, Oracle, Comcast, Time Warner, AT&T and American Express, move over 3 trillion messages a year — more than 25 percent of the world's legitimate email. These prestigious companies choose Message Systems because our software outperforms any cloud or on-premise alternative, and provides the flexibility, deliverability and control they need to drive the highest possible customer engagement for their business. read more