Forum Discussion
vinay2010
Aug 19, 2023Copper Contributor
Does it possible to know the emails that's rejected at the edge/perimeter of EOP(Defender for o365)?
Does it possible to know the emails that's rejected at the edge/perimeter of EOP(Defender for o365)? As the email get rejected at edge level, does it possible to know from which sending IP emails go...
VasilMichev
Aug 19, 2023MVP
Depends on which filter blocked it, but generally speaking no. Run a message trace based on sender/recipient details, if it's not visible therein, it's either blocked on the edge or never reached M365.