- Log in to your Office 365 Security & Compliance portal for Microsoft 365 and choose Threat management > Anti-spam or head directly to the Anti-spam settings page here: https://protection.office.com/antispam.
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- Click + Create an outbound policy.
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- Give your new outbound spam filter policy a Name and Description. Click the down arrow next to Automatic forwarding to expand that section. Choose On – Forwarding is enabled from the dropdown.
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- Click the down arrow next to Applied to, then +Add a condition. Choose Sender is from the dropdown list, then click in Add a tag to find the email account(s) you’d like to allow to automatically forward and select them. Click Save.