Try to use an Exchange online transport rule to redirect an email.
Exchange Online redirect needed to remove original addressee from the To, but not other addressees.
My configuration goal is to forward / redirect a message going to a mailbox to an external site (its an email capture setup).
I was using forwarding, which is straight forward but includes the original "To" address in the recipients, and the email capture thinks its part of the group. Reply-alls to the messages it sends doubles and then triples the number of active cases.
Then I found that "Redirect" seems to be a keyword that does EXACTLY what I want - it forwards the mail as if it was sent directly from the sender, without notifying the sender nor the "redirecting" email box. Except its not doing that; its behaving exactly like forwarding. If I can get this to work as advertised, that's all I need. My expectations are that the recipient doing the forwarding would be removed from the To list, so that the email capture site only sees the original sender and everyone else on the TO and CC and BCC recipent lists.
My second attempt was to modify the headers - Remove "To" and then redirect the message, which adds the "redirect" address as the recipient, and has no idea there was a forwarding address. It worked.. Except if there is more than one address specified by the To header. It removes all of the addresses specified in To, including the additional addresses sent with the original mail. But customers can frequently add coworkers or other parties, and the email capture does "reply" to all recipients, which is what we want. Just not the original forwarding / redirecting email.
So is there a way to
- Get "Redirect" to work as advertised
- Only Remove part of a header, perhaps via a substitute regex
- Replace or delete a single recipient.
- Some other cool and nifty way to forward without taking along the forwarding / redirecting address.
If it helps, it seems that the rules for Outlook Online have this distinction between forwarding and redirect. Unfortunately right now my case is a shared mailbox without the office365 license (for this account).
Exchange Online
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2 answers
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Dezhi Li-MSFT 795 Reputation points
2023-06-09T09:45:27.0333333+00:00 Hi @Gerard Oneill
According to your description, there is currently no built-in feature in Exchange Online that can fully meet your needs. Regarding redirecting emails, it just presents the original email to another recipient completely. For modifying email headers, it cannot precisely remove certain content.
Best Regards,
Dezhi