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If you are setting up SMTP please add this list of IP addresses to your Email Servers to allow Botdoc servers to originate the Emails
52.154.221.72,52.165.168.40,52.165.227.9,52.165.224.93,13.89.185.131,13.89.186.120,13.89.191.30,13.89.185.138,52.173.147.98
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