Message Header.

Microsoft Q & A 381 Reputation points

I have an email sent to multiple user. I have cross checked message id is same for them, which is default behavior. But just want to confirm why we have below 2 differences in the header.

For some users :

X-MS-Exchange-CrossTenant-FromEntityHeader : HybridOnPrem

X-OriginatorOrg : having a value

X-MS-Exchange-Organization-MessageDirectionality Originating


For some users.

X-MS-Exchange-CrossTenant-FromEntityHeader : Internet

X-OriginatorOrg : this one is missing in header

X-MS-Exchange-Organization-MessageDirectionality: Incoming

Microsoft Exchange Online
{count} votes