I'd like to see how much time I spend answering (specific) E-Mails for my clients. A integration to start and stop (maybe autostop after sending) Toggl time tracking would be awesome. (talking about https://toggl.com/)
A nice way to integrate this can you see in a Jira Add-On: https://marketplace.atlassian.com/apps/1211335/toggl-integration-for-jira?hosting=server&tab=overview (see the screenshots). So maybe there need to be a possibility to match certain senders or labels with a Toggl project.