Forum Discussion
Open Specific External Domain for sending to blocked DLs
I'm looking for a solution to open an External domain to have the ability to send to Distribution Lists, which are blocked for External domains. I know we can do this, via a Transport Rule that targe...
Victor_Ivanidze The Transport Rule method we're using is basically this:
Apply this rule if - The To or CC box contains... <all of the targeted DLs>
Do the following... Reject the message with the explanation... <This is an Internal Distribution List>
Except if... The sender's domain is ... <specified domain - primary domain of o365 Tenant>
Hi DrFMS,
ok, understood.
Q1. do you have the DLs that should behave differently? In other words, can I assume that each your DL should reject external messages with exceptions?
Q2. if the list of external domains that can deliver to your DLs is the same for all DLs or different DLs have different lists of exceptions?