We do cannot trace emails based on Subject
We do cannot trace emails based on Subject , specially when we are dealing with SPAM emails that got delivered to almost all users
It is mandatory for admin to trace the email with email subject.
This is something that we struggle with on a daily basis. When addressing incoming phishing campaigns the sender address is generally not the same for all incoming emails, but the subject line is. It would be extremely helpful to be able to search for a subject line value when looking for these types of messages.
i do agree. this is a important feature and must need.
While using Start-HistoricalSearch , we are asked "You must specify at least a message ID, a sender, or a recipient." . Though these are said to be Optional : https://technet.microsoft.com/en-us/library/dn621132(v=exchg.150).aspx