FlyerTalk Forums - View Single Post - Can The E-Mail Delivery Receipt Be Blocked?
Old Jun 28, 2009 | 7:18 pm
  #7  
Landing Gear
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Join Date: Apr 2006
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Originally Posted by cordelli
There is no fool proof way, any method is easy enough for the ISP or the person to block. The only way is to ask they confirm it either by hitting reply or in some other method.
Interestingly enough, I heard from the second person last week in a direct reply to my message for which I got neither kind of receipt.

I find this a bit strange.
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