Addresses checked: 13.248.243.5 (web), 76.223.105.230 (web), 3.228.105.2 (mail, mx3-usg1.ppe-hosted.com), 3.220.198.68 (mail, mx1-usg1.ppe-hosted.com), 54.166.32.169 (mail, mx2-usg1.ppe-hosted.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.