Systems and methods for handling messages in which a list comprising a plurality of conversations is provided. A first conversation in the plurality of conversations is identified. The first conversation is configurable to occupy a single line in the list and comprises a plurality of messages. This plurality of messages shares a common set of characteristics that meets a predefined criterion. Responsive to receiving a designation of a predefined user action, the predefined user action is applied, without human intervention, to each message in the plurality of messages.