FlyerTalk Forums - View Single Post - Can The E-Mail Delivery Receipt Be Blocked?
Old Jun 24, 2009 | 7:31 am
  #3  
cordelli
In Memoriam
 
Join Date: Feb 2000
Location: Easton, CT, USA
Programs: ua prem exec, Former hilton diamond
Posts: 31,801
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.
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