It isn't possible to block this based on a domain at a board level, but with Business Class you can limit invites to your Workspace based on the domain. You can see more information about this here.
Once you've done that, you can also limit board invites so that only Workspace members can be invited to boards.
Hello Community! My name is Brittany Joiner and I am a Trello enthusiast and Atlassian Community Leader. In this video, I'll share my favorite Trello templates. Templates mentioned in ...
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