12. A computer system for managing message communications, comprising: a storage media configured to store message objects including emails, chats, SMS, and other type of messages and software modules; a user interface configured to display message contents, and information about message senders or recipients; and one or more processors configured to access a memory module and the storage media, coupled with the user interface, and further configured to invoke a software module on a server or client computing device to (a) receive a first message, wherein the first message is addressed to or received by multiple recipients, (b) register a user action to reply to the first message, (c) display an message composition or editing interface in response to the user action, (d) detect whether the user is replying only to the sender of the first message as a first operation mode, or to multiple recipients of the first message as a second operation mode, and (e) display a notification, wherein the notification indicates whether the user is replying in the first operation mode or in the second operation mode.
12. A computer system for managing message communications, comprising: a storage media configured to store message objects including emails, chats, SMS, and other type of messages and software modules; a user interface configured to display message contents, and information about message senders or recipients; and one or more processors configured to access a memory module and the storage media, coupled with the user interface, and further configured to invoke a software module on a server or client computing device to (a) receive a first message, wherein the first message is addressed to or received by multiple recipients, (b) register a user action to reply to the first message, (c) display an message composition or editing interface in response to the user action, (d) detect whether the user is replying only to the sender of the first message as a first operation mode, or to multiple recipients of the first message as a second operation mode, and (e) display a notification, wherein the notification indicates whether the user is replying in the first operation mode or in the second operation mode. 14. The system of claim 12 , wherein it is detected that the user is replying to multiple recipients of the first message, or is replying in the second operation mode, wherein the notification indicates that the message being composed will be sent to multiple recipients of the first message, or will be sent to a recipient that is not the original sender of the first message, or will not be sent to only the sender of the first message.