The following addresses are only for outbound SMTP customers. They are not required for spam filtering clients.  


Netblocks


104.232.45.0/24



Outbound SMTP Group 1 - North America Zone 1


54.68.34.165

54.68.138.64

54.186.57.195

54.149.88.251

54.149.240.58

54.186.10.118

54.149.35.133

54.149.250.69

54.148.153.48


54.148.218.146
54.149.232.81
54.149.244.166
54.149.34.179
54.186.57.195

54.187.213.119
54.187.218.212
54.187.63.214
54.187.71.48


52.10.99.51
52.10.130.167
52.26.49.97
54.69.62.154
54.148.38.162
54.148.113.140
54.148.165.188
54.148.219.64
54.149.26.35
54.149.155.156
54.149.210.130
54.186.218.12
54.200.129.228
54.200.247.200
54.213.22.21


Outbound SMTP Group 2 - European Union


52.28.251.132

52.58.109.202

52.28.147.211

52.58.97.209

52.58.19.153

52.28.246.64

52.28.59.28

52.28.6.212

52.58.96.151 

52.29.156.81