[ApolloVonZ]

It really depends on the personal and companies workflow though. My personal email account also only has messages that I still need to deal with. However our shared accounts can get quite messy at times. Slack does have the option to set different reminders though, you can even ask Slack to remind you to go back to a specific message in let's say four months. ;) But to be honest, if there is something that needs to be done at a certain point I'd always use an actual reminder/task or calendar app. Otherwise the risk of it being overlooked, maybe because someone is sick, or there is a flood of mails from another project that day and I don't get too look at the one email I wanted to deal with today. So I guess it really depends on the workflow and the people you work with. I think flexibility is the key in adapting your workflow to everyone's abilities and the companies needs but the same time if something has been working for a specific use case, then why change it. : )