Please remove iontra.com from Atlassian bounce list. (Unblocking Office365 emails for Atlassian Cloud - Atlassian Community)
Iontra is a company I support and they're not receiving inbound Atlassian mail. I already added the EAC mail flow rule specified in your article.
Thanks!
Hi Paul - Welcome to the Atlassian Community!
You will nee to contact Atlassian Support directly:
https://support.atlassian.com/contact/#/
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