verify that an email was read without using a receipt

[RCNellis]

I'm trying to check to see if there is away that a message was read by the
receiver that did not send a read receipt.

 

[Lanwench [MVP - Exchange]]

In

I'm trying to check to see if there is away that a message was read
by the receiver that did not send a read receipt.

Ask them, or see whether they did the thing that you asked them to do in the
message you sent.