We help IT Professionals succeed at work.

search email sender

Hi Experts,

I have a problem with one outlook client.
The clients said he has not send this emails.

We use Exchange Online and O365.

How to find out, who was the original sender ?
Comment
Watch Question

Infrastructure Architect
CERTIFIED EXPERT
Commented:

Hello,


You need to use message trace and see if there was any email sent really from this account or not.


  
 Get-MessageTrace -SenderAddress john@contoso.com -StartDate 06/13/2018 -EndDate 06/15/2018
   


https://docs.microsoft.com/en-us/powershell/module/exchange/mail-flow/get-messagetrace?view=exchange-ps