PROXY使ってないのに「PROXY規制中！」 36

[0887 [―{}@{}@{}-] 61-23-165-21.rev.home.ne.jp NG NG]

Confirmation email refused. Please fix your server to accept removal request mail. DO NOT email us asking us to email to another address or to help you fix your server; we will not do either.

Result:

Message Report:
Sorry, I wasn't able to establish an SMTP connection. (#4.4.1)

受け取ってすらもらえないんですがね