Addresses checked: 13.248.243.5 (web), 76.223.105.230 (web), 52.101.89.1 (mail, polli-app.mail.protection.outlook.com), 52.101.89.18 (mail, polli-app.mail.protection.outlook.com), 52.101.89.2 (mail, polli-app.mail.protection.outlook.com), 52.101.89.28 (mail, polli-app.mail.protection.outlook.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.