1. Inside Easysendy account you can add your blacklist IP and also Whitelist IP using two options,

      a. At the Easysendy dashboard Go to “List” and click on “IP blacklist” and select create new.

b. Add the IP address and click on Save changes.

2.Follow the second  step to add Blacklist IP.
a. Go to Easysendy account and select API keys and click on Create new.


b.
Add the blacklist IP and click on save changes, as shown below.



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