No sound when sending an email in Mail on my iMac

YES IT IS I FOLLOWED THE HELP FOR ANOTHER POST AND IT DOES NOT WORK

SPECIFICALLY;

MIAL

SETTINGS

GENERAL

AND THE BOX THAT SAYS "PLAY SOUND FOR OTHER MAIL ACTIONS" IS CHECKED.

Yes I believe so. If you have the exact syntax I’ll double check. If I’m able to watch a YouTube vid. Does that confirm it’s on.