If the Zoho customer has enabled IP restriction, then IP Whitelisting is necessary to access the SMS-Magic application. If the whitelisting is not done for the necessary IPs, then the Zoho customer will not be able to login to the SMS-Magic application.
To whitelist an IP, go to this link –
The following table shows the complete list of IPs that is to be whitelisted for Zoho customers:
|US Customers||EU Customers|