Forum Discussion
dweekley
Jan 28, 2020Copper Contributor
Exchange Mail Flow Rule
I have created a mail flow rule blocking a group from sending emails outside of the organization. This is working fine. I am attempting to create a rule for the same group so they can not receive e...
VasilMichev
Jan 28, 2020MVP
Hard to tell without seeing the rules, but you can run a message trace to confirm the message is being blocked by some rule. You don't need transport rules for that btw, just toggle the -RequireSenderAuthenticationEnabled flag.
- dweekleyJan 28, 2020Copper Contributor
Sorry for the extra message.
What I just thought of regarding authentication, all users in that group are not authenticated. They are using the web to log into emails. No AD account being used..
I just came across 'Delivery Restrictions' that is available with in the users configuration. That seems to be a viable solution. Place ALL into that group an they should only receive from them?
- VasilMichevJan 29, 2020MVP
Yes, the delivery restrictions is what I meant, and the flag I mentioned distinguishes between internal and external users as explained by samuela2395
- dweekleyJan 28, 2020Copper Contributor
Thanks for the reply.
Not to familiar with the Admin side. Where exactly would that flag be located?
Regarding the blocking, I know it is the rule causing the issue. I have a mailbox for the sender and I am getting a un-deliverable when testing.
Thanks