Office 365 Quarantine
How to resolve your emails sent from Mailtrap Email API/SMTP being sent to Office 365 quarantine.
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How to resolve your emails sent from Mailtrap Email API/SMTP being sent to Office 365 quarantine.
Sometimes transactional messages from Mailtrap (such as email confirmations, invitations to join a sandbox, invoices, etc.) can be sent to Threat Management >> Quarantine by MS Office 365.
If you have faced this issue, follow these steps to resolve it:
Access Office 365 Quarantine
Select Mailtrap Emails
Select the emails sent from Mailtrap that are in quarantine.
Release Messages
Click the Release messages button.
Add to Allow List
Check the "Add sender to your organization's allow list" checkbox.
This will prevent future emails from Mailtrap from being quarantined.
When signing up for Mailtrap, you have the option to use Office 365 account authorization (OAuth) for smooth integration. In this case, email confirmation won't be required and you can avoid quarantine issues altogether.
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