I want to automatically and dynamically purge items in folders that become older than x-number of days (e.g. old calendar reminders that are no longer valid). Currently, there don’t seem to be any dynamic options for setting date-based rules, like older than X-number of days, or before “today” (where “today” adjusts automatically to each new day), so that you can use it to auto-purge folders on a regular basis:
For example, when you select “Received Before”, and you click on “Today”, it fixes today’s date in the rules (e.g. “7/31/2018”). That means the rule will only find day-old emails for one day, then you have to go in and change the rule for each new day. Outlook and Thunderbird let you set dynamic date parameters, like older than X-number of days, etc. --Really think this would be a useful feature.