Addresses checked: 217.70.184.55 (web), 170.10.128.141 (mail, us-smtp-inbound-2.mimecast.com), 170.10.128.221 (mail, us-smtp-inbound-2.mimecast.com), 170.10.128.242 (mail, us-smtp-inbound-2.mimecast.com), 170.10.132.141 (mail, us-smtp-inbound-2.mimecast.com).
We check the web server and mail server IP addresses against free spam and malware blocklists. A listing usually means spam or malware was seen recently — follow the list’s own process to be removed.