{ "description": "List of IP ranges for known SMTP servers.", "list": [ "10.69.69.68/31", "100.24.127.128/25", "100.25.99.0/25", "103.129.252.0/25", "103.136.33.32/28", "103.151.192.0/23", "103.168.172.128/27", "103.74.27.240/32", "104.130.122.0/23", "104.130.96.0/28", "104.18.208.148/32", "104.19.239.228/32", "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", "108.163.196.74/32", "108.177.8.0/21", "108.177.96.0/19", "111.124.200.0/27", "111.124.200.192/26", "111.124.201.0/27", "111.124.202.0/27", "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", "113.108.214.0/27", "114.110.61.0/24", "114.111.35.0/24", "114.134.80.128/26", "115.124.30.0/24", "116.214.12.0/24", "117.135.207.0/27", "117.135.207.192/26", "117.135.210.0/27", "117.135.214.0/27", "117.52.140.128/26", 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