K-9 ko e meili ko ha polokalama ʻimeili tauʻataina ia ki he polokalama Ngaue ʻa e Android. ʻOku lava ke maʻu atu ia ko ha maʻuʻanga tokoni taʻetotongi/fakaava ʻo e Android ʻi he laiseni ʻApesi-2.0. ʻOku marketed ʻa e polokalama ko ha fetongi ʻoku lele lelei ange ki he polokalama meili kuo ʻosi fakapolokalamaʻi ʻi he ngaahi telefoni lahi. ʻOku ne poupouʻi ʻa e POP3 mo e IMAP puha meili mo poupouʻi ʻa e IMAP IDLE ki he ngaahi fanongonongo taimi moʻoni.