<https://forum.spamcop.net/topic/7366-resolved%C2%A0e-mail-not-being-picked-up/#comment-50303>
<http://schema.org/text>
"...Did you go through MailHosts configuration, again, as discussed in earlier posts in this thread?...For a full explanation from the post you quoted, see the last paragraph is Andrew's reply, above. It may be that your e-mail provider or ISP has added some internal servers that are confusing the SpamCop parser."
<https://forum.spamcop.net/topic/7366-resolved%C2%A0e-mail-not-being-picked-up/>