Please just don't. It's ridiculously childish. I have a friend who does this and I'm embarrassed to be seen with him when he does it.
Just win, or lose.
Repeat.
Wow! It seems that umm, everyone sends mail. Good lord.
When I was playing COD I never saw a single message. But in Destiny we are sending messages all the time. Wonder why that is.
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I have sent exactly one hate message. It was someone using the Cocoon/Clown Cartridge glitch. This guy kills me with a rocket 20 seconds into the match and proceeds to dance on my corpse. "Really? It's on mother-blam!-er." Every time I killed that guy, I tbagged and danced on his corpse. I would save my super for him. I annihilated that guy, and best of all? His team lost. After the match, I sent him a message: "Congrats. You're the first person I've ever tbagged or sent hatemail to. Rocket glitch and still can't pull off a win? That's just sad." He never responded. No regrets.