A special kind of confirmatory mail in which the information (optionally encrypted and correlated to specific parts of an email) can be sent.



The information (that is optionally encrypted and sent in the confirmatory mail) can be correlated to different parts of an email. Something like what we do when we reply to an email, say, para by para or sentence by sentence. Instead of drafting the reply as a continuous text, we key in our response after each sentence or para (of the received mail) that we choose to respond to.


HTH

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Note added at 16 hrs (2008-12-12 09:12:40 GMT)
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@d_williams (in response to your note):
Well, since the German word used is "Informationen" (and not "Bestätigungsinformation"), one can't say for sure that the 'information' sent is the same as 'confirmation'. So, I would be adding meaning to the source text if I say that "it sends individual confirmations for specific parts of the mail, e.g. for the different MIME types".

[On a lighter note: any ambiguity in the source text must be necessarily left as such in the translated text ;-)]

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Note added at 16 hrs (2008-12-12 09:22:10 GMT)
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"...adding meaning to the source text..." (above) = ...adding to the meaning of the source text...