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A comment on Pluto Mail – Unsend Emails. Parent comment

Re:Pluto Mail – Unsend Emails by tmacwilliam on Sunday April 06, 2014 @04:17AM (#7540251)
Based on https://www.sendpluto.com/help, it looks like they could be creating images of the email text and sending the images in an email. That way, they're free to manipulate the image even after the email is sent.
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Re:Pluto Mail – Unsend Emails by josephagoss on Sunday April 06, 2014 @04:28AM (#7540281)
This would only for images linked back to Pluto correct? If they simply sent an image surely they can't come into my inbox and modify files?
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Re:Pluto Mail – Unsend Emails by lutusp on Sunday April 06, 2014 @04:41AM (#7540315)
Correct. The scheme requires some way to link the received e-mail's content to Pluto's servers. This must be so because it's not possible to delete or modify an independent email (i.e. one without links) once it's been delivered.
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Re:Pluto Mail – Unsend Emails by skimmas on Sunday April 06, 2014 @04:20AM (#7540256)
doesn't gmail cache all images?
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