Depending on how strict your organization's email filtering systems are, the platform invitation emails that you send to colleagues may end up in spam or be blocked from being delivered.

You can prevent this through a simple process of 'whitelisting'. 

Note: you will need admin rights for your email system to be able to do this for the whole organisation.


  1. Log in to the exchange admin center with admin credentials.

  2. Navigate to Protection > Spam filter > Choose the spam filter policy > Edit (the pen icon) > Allow lists.

  3. Add to the trusted domain list.

A full description can be found here.


  1. From the Admin console Home page, go to Apps > G Suite > Gmail > Advanced setting (at the bottom of the page).

  2. On the left, select the top-level organization, typically your domain.

  3. Scroll to the Email whitelist setting in the Spam section. Or, in the search field, enter email whitelist.

  4. Enter our IP address:

  5. At the bottom of the Gmail Advanced settings page, click Save.

A full description can be found here.

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