May 16th, 2017 | by

If you believe you are having email deliverability issues – i.e. you were receiving RainKing emails, but those have stopped, or you are not receiving any emails from RainKing – it may be worth whitelisting emails from RainKing.

Please ensure that these domains are whitelisted:

Here are instructions for whitelisting emails in Outlook:

2007 –
2010 –

We also recommend whitelisting RainKing’s SendGrid IPs in addition to the domains. A list of these IPs is below:

About the author