Addresses checked: 104.21.74.219 (web), 172.67.163.108 (web), 15.229.180.73 (mail, inbound-smtp.sa-east-1.amazonaws.com), 18.228.163.155 (mail, inbound-smtp.sa-east-1.amazonaws.com), 18.230.147.87 (mail, inbound-smtp.sa-east-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.