{ "description": "List of IP ranges for known SMTP servers.", "list": [ "100.24.127.128/25", "100.25.99.0/25", "101.226.139.0/25", "101.91.43.0/25", "101.91.44.128/25", "103.129.252.0/26", "103.136.33.32/28", "103.151.192.0/23", "103.18.109.138/32", "103.74.27.240/32", "103.9.8.121/32", "103.9.8.122/31", "104.130.122.0/23", "104.130.96.0/28", "104.17.225.56/32", "104.17.226.56/32", "104.215.186.3/32", "104.47.0.0/17", "106.10.148.0/24", "106.10.150.0/23", "106.10.167.0/24", "106.10.176.0/24", "106.10.240.0/22", "106.10.244.0/24", "106.39.212.64/29", "106.55.200.0/22", "106.55.55.43/32", "108.163.196.74/32", "108.177.8.0/21", "108.177.96.0/19", "109.244.180.96/32", "111.161.68.0/24", "111.221.112.0/21", "111.221.23.128/25", "111.221.26.0/27", "111.221.66.0/25", "111.221.69.128/25", "111.91.135.0/27", "112.19.199.64/29", "112.19.242.64/29", "112.64.237.128/25", "113.108.214.0/27", "113.108.225.0/24", "113.108.226.64/26", "113.108.92.0/25", "113.96.223.0/25", "113.96.232.117/32", 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