Postal.io, a marketing technology company, announced they have raised a $22 million Series B round led by OMERS Ventures, with participation from existing founding investor, Mayfield Fund, bringing the company's total capital raised to $31 million.

Postal.io is an offline marketing platform that helps personalize, automate, and scale direct mail, internal and external events, branded company swag, and personalized gifts to drive better engagement with prospects, customers, partners, and employees.