If you're on an IP-restricted network, you'll need to allowlist (whitelist) the following elastic IPs used by the Yotpo Loyalty & Referrals app server:
18.211.49.234
184.73.97.197
3.208.146.76
3.233.194.13
3.82.123.250
34.194.51.213
34.239.23.157
35.173.225.93
35.175.18.253
44.193.150.247
52.6.112.37
54.159.57.141
54.208.164.94
54.227.16.145
75.101.169.217
75.101.219.113