You cannot set the Fowarding SMTP Address through EMC. But we can set it through EMC
If you want to forward the mails from local mailbox to outside the organization, we should follow the below steps in powershell
1. DeliverToMailboxAndForward:
set-mailbox -DeliverToMailboxAndForward $true
2. Forwarding Address
set-mailbox intials -forwardingaddress Username
3. ForwardingSMTPAddress
set-mailbox intials -forwardingsmtpaddress email@domain.com
If you want to forward the mails from local mailbox to outside the organization, we should follow the below steps in powershell
1. DeliverToMailboxAndForward:
set-mailbox -DeliverToMailboxAndForward $true
2. Forwarding Address
set-mailbox intials -forwardingaddress Username
3. ForwardingSMTPAddress
set-mailbox intials -forwardingsmtpaddress email@domain.com