Set snooze/resurface date on sent emails copied to self
This would be similar to the reminders function of Sanebox, but would be nice when composing an email to choose for a copy to be BCC to yourself on a certain date in the future, such that you are essentially sending it to yourself and snoozing it upon arrival.
I suppose it would also be nice to have the option of Sanebox, where it cancels the arrival of the copy in your inbox if the person responds before then, but the feature as described above (with delayed BCC copy arriving at a set future time) would be a great feature.

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Vig commented
+1 for this
When I BCC myself to then snooze the email, the email never comes into my inbox.