Dan MacNeil writes:
Stephen J. Turnbull quoted out of context:
I see your point, but why won't my suggestion of defaulting the per user no-dupes to "on" do fine from that point of view?
For my selfish purposes, "no-dupes" off is a better default setting. Without a copy of the message to their mailbox, many of my users will keep sending the same message because it "didn't go".
Are you thinking of not-metoo?