Harassment from another player

I have received harassment from another player who I suspect jumped on a separate account to harass me. I have no recollection of flaming/abusing anyone on this game so I'm not sure why he sent me this message. The account that sent the message was: *name removed* (also an offensive name) but I do not believe this is their main account they play on. I find this behavior to be unacceptable and I hope there can be some sort of punishment on all their accounts and not just his backup accounts. I also have a problem requesting a ticket for this issue. As i select the category to finish the ticket, the Submit button disappears.
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Offensive Spam Harassment Incorrect Board