set email forwarder

Question

Hi All

i am using exchange 2016 hybrid environment, i have a requirement to setup a email forwarder to an external domain user for a shared mailbox. So i have created an external email contact and enabled the forwarder on the shared mailbox to forward emails to external user but the forwarder is not working. Do i need to add the external domain to remote domains or any rule which could be blocking i am not sure experts guide me what could be the possible reasons for blocking so that i can check.

Answer 1

@Rising Flight

Office 365 block external auto forward by default, yo need to modify the outbound spam policies to on first:

For more detailed information , you can have a look about this article: Control automatic external email forwarding in Microsoft 365

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