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With O365, your IP should generally be in the X-Originating-IP header.
by resfirestar 7y ago
With O365, your IP should generally be in the X-Originating-IP header.
- throwanem 7y agoOh, look at that, so it is.
- yipeedipee 7y agoWe use a mail flow rule to remove the header when it goes through o365 outgoing.