Systems, methods, and computer readable media for auto-populating recipient fields based on context of source content are disclosed. The system may include a processor configured to: maintain a plurality of boards related to a common entity, the boards including external addresses; receive an indication of an intent to send a communication, the indication originating from a specific board of the plurality of boards; render a communication interface associated with the specific board; perform a look up of a subset of the plurality of boards linked to the specific board; retrieve external addresses from each of the subset of the plurality of boards; populate the communication interface with the communication and the retrieved external addresses; receive a selection of at least one of the retrieved external addresses; cause the communication to be transmitted; and link a copy of the transmitted communication to at least the specific board.