Forum Discussion
On-premise Exchange server does not relay emails to cloud-only distribution lists
Hi, we are running a hybrid configuration. I recently moved 700 distribution lists into the cloud to enable our users to self-manage the distribution lists again, which was not possible between o...
VasilMichevI had the same exact idea, but that would be management overhead that we can't handle.
I found a much easier solution actually. This won't work in every environment, but for us it was perfectly acceptable.
We set Exchange Online to be authoritative for our default domain and our on-premise server as an internal relay. Now the on-premise server just sends any email they don't recognize straight to Exchange Online, where the DLs reside.
VasilMichevI had the same exact idea, but that would be management overhead that we can't handle.
I found a much easier solution actually. This won't work in every environment, but for us it was perfectly acceptable.
We set Exchange Online to be authoritative for our default domain and our on-premise server as an internal relay. Now the on-premise server just sends any email they don't recognize straight to Exchange Online, where the DLs reside.
DanielNiccoli Did you need to re-run Hybrid wizard post changing domain type in onprem to internalrelay?
Did you have to change Outboundonly parameter too? or just domaintype was sufficient?
- Hi abkab420, thanks for your reply. I did not re-run the HCW and I do not remember if I had to set the outboundnonly parameter. Sorry, but that was just a long time ago 😄
- No worries 🙂
