internal mail
- memoBrief internal message
- inboxMessage receiving folder
- interofficeBetween company departments
- envelopeFolded paper enclosure
- dispatchSend with speed
mailroom · circulation · correspondence · routing · pigeon · slot · tray · distribution · departmental · courier · pouch · stamp · outbox · paperwork · filing · carbon · copy · addressed
communication channel
internal mailemail
Digital written communication
electronic mail · digital communication · instant messaging · Slack · video conferencing