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Cold-email blocker
What it does
Unsolicited sales mail gets picked out and put aside before it reaches you. It works on what the message actually is, not a keyword list, so it copes with the ones that dress themselves up.
Try this
“What cold email did you catch this week?”
What it needs
Your work mailbox.
What it won't do
Nothing is deleted. It's set aside where you can still find it if it got one wrong.