An electronic mail computing system has a smart reply system that that enables a smart reply feature that surfaces a user input mechanism that allows a user to reply to an e-mail message without downloading full content of the e-mail message to the user's client computing system. A draft roaming system interacts with the client computing system to allow a plurality of different user devices to access a draft electronic mail message, and interacts with the smart reply system so a draft can be generated using the smart reply feature.