The following is a list of Nylas v3 static IPs that traffic may originate from. Depending on your infrastructure, you might want to allowlist these
Nylas U.S. static IPs
34.67.39.10334.67.117.18234.67.252.5534.70.83.9634.122.157.17034.122.166.1334.123.138.13534.133.89.8834.133.164.12134.133.227.25134.134.71.2034.134.116.13034.134.217.6734.134.249.16434.135.60.22734.136.8.10234.136.150.23034.136.198.5634.170.82.1034.171.101.16234.171.140.15934.171.143.25034.171.202.7134.172.75.15134.172.89.23534.172.98.7234.172.179.20834.173.53.8335.188.63.4535.188.78.24335.192.113.17235.192.130.1335.192.145.20435.193.50.1235.193.156.335.224.53.15135.224.160.2335.224.166.18335.225.43.5835.225.218.935.232.0.9935.232.148.24335.238.228.5435.239.61.11035.239.163.136104.154.146.112104.154.214.119107.178.222.216
Nylas E.U. static IPs
34.89.13.24034.89.22.19834.89.38.10434.89.43.3134.89.89.17734.89.120.13534.105.131.21634.105.195.3734.105.226.234.105.238.4234.105.251.6234.105.254.9134.142.35.13034.142.59.11034.142.60.5934.142.115.16134.142.122.7134.142.127.20334.147.154.11234.147.237.9535.189.69.9735.189.87.22735.189.123.13535.197.202.22835.197.217.4335.230.138.635.230.151.23635.234.155.11535.246.19.11235.246.43.12035.246.61.25035.246.81.179