No, please

If I don’t read your e-mail then it’s likely that I got better things to do, I don’t need emotional blackmail on top of it

Or maybe reconsider how relevant your messages are for the recipient. Political fundraising emails learned this years ago, and they’re the most annoying about it.

Subject: That lawnmower you borrowed

Dear sir,

I am SLAMMING you for your delay in returning my lawnmower. Please return today, or you won’t BELIEVE what happens next! 9 out of 10 billionaires don’t WANT you to know!

Sincerely, Your neighbor.