[Exim] OffTopic: Refused by UKR.net

Hi Sharun,

While replying to your mail of this list, it get:

  sharun@???
    SMTP error from remote mailer after RCPT TO:<sharun@???>:
    host mx-1.ukr.net [212.42.64.22]: 550 Hold your horses, your host banned

What list is blocking me?

Bas