SaneBox priorities important emails and summarizes the rest in a daily digest
Scan through and delete the rest!
Move an email from SaneLater to your Inbox (or vice versa) to train SaneBox
Only get notified about important mail
Train annoying email to SaneBlackHole
Contains emails you sent that are still waiting for a response.
Check it periodically to follow up on important threads.
Move an email to a snooze folder to defer the email until you're ready to deal with it.