Admins don't accept eth messages. Only bitcoin signed message/PGP signed message.

Do you have a source for this?

I've never seen a conclusive answer from any mod/admin.

https://bitcointalk.org/index.php?topic=4333171.msg39019575#msg39019575

I read somewhere else too, I don't exactly remember where. I searched 5 pages in Google about it, didn't find anything else. But I am sure, I read something around those words. Sad