Ask HN: How do you manage your email box?

It seems like I can't find a good set of email rules to help manage the firehose of emails I receive.

I try to be mindful regarding emails to be sent to me because of the crushing weight and count of emails sent all the time. However, some things I care about -- certain open source projects development, some substacks, etc. -- have such variability in how many emails sent that its starting to drive me crazy. I unsubscribe as much as I can, but it feels like stopping a raindrop in the storm!

Do you have a good approach you could share? I hate missing things I care about, or that are urgent, in the wash of the hundreds of emails I get daily.