Oh, dang, I'm so sorry about that! I don't know what could be going on... I tried sending myself an e-mail from a different account and there was no issue, so I don't really know what's wrong. I just added you to my contacts just in case that helps, but I'll send you another message immediately with an alternative address, in case it keeps rejecting your e-mails despite that.
And thank you very much for taking the time to get back to me through here, I really appreciate it a lot ;u; <3