Feedback receiver opened/read mail(message)

I

IMCH

Version: 2008
Operating System: Mac OS X 10.5 (Leopard)
Processor: Intel
Email Client: imap

I wounder what I´m going to write in accounts in alternativ and message to get a answer that the receiver have open/read the mail I sent. I had as something wrong with my computer and must do everything from the beginning again.

Forgot to write down the few words. I remember I use the word to in the middle.
 
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