Mailbox had raised about $5m from internet service provider AOLbacked venture firm Crunchfund and VC peers Charles River Ventures, Kapor Capital and SV Angel.

Dropbox, a US-based cloud file-sharing company, has acquired local email application provider Mailbox for a reported $100m in cash and stock.

Mailbox had raised about $5m from internet service provider AOLbacked venture firm Crunchfund and VC peers Charles River Ventures, Kapor Capital and SV Angel.