What are the IP Addresses ProspectingToolkit Uses to Connect to My SMTP Server?

If you are using a custom email server, you’ll need to whitelist our IP addresses that we use to connect your SMTP email sender.

The IP’s are:

51.81.106.134 and 147.135.6.154

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  1. SMTP -> ERROR: Failed to connect to server: php_network_getaddresses: getaddrinfo failed: Name or service not known (0)

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