I've been in the habit for years of making liberal use of the catch-all feature of email to make up email addresses unique to everything. This makes it easy to

I've been in the habit for years of making liberal use of the catch-all feature of email to make up email addresses unique to everything. This makes it easy to add NDR bounces to specific email addresses that end up on f-ing mailing lists I don't want or for which the address was sold/given to other groups (political parties are the WORST about this!).