YHM Views 7 meanings found YHM is best known as the classic email notification “You Have Mail”, but also appears as a TV drama title, a manufacturing company, and a phrase for home‑based parenting. Miscellaneous Yankee Hill Machine Your Homebased Mom Community Yeh Hai Mohabattein Regional Hamilton, Ontario, Canada Internet You Have Mail Business Yankee Hill Machine, Inc. Yau Hing Machinery