15. A non-transitory machine-readable medium having stored thereon machine-readable instructions executable to cause a machine to perform operations comprising: receiving a first message destined for a communication account of a user, wherein the first message has a first communication format; determining context information associated with the first message including a dependency of the first message with a second message previously received by the communication account of the user, wherein the second message has a second communication format that is different than the first communication format; and causing the first message to be displayed in a graphical interface in context with the second message receiving, via the graphical interface, content for a new message from the user; receiving, via the graphical interface, a communication policy of the new message from the user, wherein the communication policy designates a prior message to send with the new message when the new message is forwarded or quoted in a future communication, and wherein the communication policy designates that the recipient of the new message cannot parse out the prior message from of the new message when the new message is forwarded or quoted and that a presentation of the new message is based on the recipient; and generating the new message based on the content and the communication policy of the new message.
15. A non-transitory machine-readable medium having stored thereon machine-readable instructions executable to cause a machine to perform operations comprising: receiving a first message destined for a communication account of a user, wherein the first message has a first communication format; determining context information associated with the first message including a dependency of the first message with a second message previously received by the communication account of the user, wherein the second message has a second communication format that is different than the first communication format; and causing the first message to be displayed in a graphical interface in context with the second message receiving, via the graphical interface, content for a new message from the user; receiving, via the graphical interface, a communication policy of the new message from the user, wherein the communication policy designates a prior message to send with the new message when the new message is forwarded or quoted in a future communication, and wherein the communication policy designates that the recipient of the new message cannot parse out the prior message from of the new message when the new message is forwarded or quoted and that a presentation of the new message is based on the recipient; and generating the new message based on the content and the communication policy of the new message. 16. The non-transitory machine-readable medium of claim 15 , wherein the operations further comprise: presenting the graphical interface to the user including a flow diagram of messages with arrows indicating directions of communication; and when a particular message is selected by the user, presenting images of a sender and the recipient of the particular message to the user.