From: not@telling.you.invalid   
      
   Salvador Mirzo  wrote:   
   > Anton Shepelev  writes:   
   >> Ian:   
   >>   
   >>> *********** To reply by e-mail, make w single in address **************   
   >>   
   >> How long till AI becomes cheap enough for spammers to employ   
   >> it for unmunging such riddles?   
   >   
   > I couldn't figure out the riddle in question here.  I'd take my hat to   
   > any intelligence that can.   
      
   Their email has two 'u' characters, so I think you're meant to read   
   that as a 'w' (this might be more obvious with some fonts than   
   others). Then in the riddle to "make w single" means to "make w a   
   single character", so "uu" becomes "w".   
      
   The w-ified domain resolves and has an MX record so it can receive   
   email (seen with command: "dig [domain] mx"), unlike the original.   
   So that's my guess.   
      
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