Addresses checked: 104.21.59.217 (web), 172.67.184.146 (web), 18.198.212.155 (mail, mxfwd-a727f3f63d8ff04d.elb.eu-central-1.amazonaws.com), 3.66.31.50 (mail, mxfwd-a727f3f63d8ff04d.elb.eu-central-1.amazonaws.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.