How do I get around the Stop Spamming Plugin?

I tried to make an account on Councils of Elrond, (cuzz I've started to learn Sindarin and wanted to ask questions on the form if I need to) and when I want to my email to validate my account I got denied by the Stop Spamming Plugin. Ive never spammed before and I don't know why it'd think that I'm a spammer. I tried to send a message to the website people but I got denied even that. I wanted to know if there is any way I can fix this or fix my account so that it wont think Im a spammer.