introduction
in any exchange environment either on-premise of MS365 : all messages sent to your organization pass through EOP before your users see it .
You have options about how to route messages that pass through EOP for processing before they are routed to your worker inboxes
Mail flow rule come as third place of EOP after connection filtering and antimalware
Mail flow rule is being used in on-premise exchange server which previously known as Hub transport HT
Mail flow rule components :
- Condition
- Exception
- Action
- Rule Properties : like enabled or disabled or in test mode
what to configure in Mail FLow
as mentioned previously [please back to first article of EOP ] : the users with the following Rules can configure EOP policies :
- global admin
- exchange admin
- security admin
- To access mail flow rule from Exchange Admin center EAC : à https://office.com >> admin center >> exchange >> mail flow
To access mail flow rule from Security and compliance center SCC :
sample 01 : block email from free email like Gmail
our company requirements is to block emails from free email system like yahoo and gmail
in this sample we will create Mail flow rule to reject any email coming from yahoo and gmail
