Re: [Exim] Yahoo DomainKeys...

Góra strony
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Autor: Andre Grueneberg
Data:  
Dla: James P Roberts
CC: David Woodhouse, Matthew Byng-Maddick, exim-users
Temat: Re: [Exim] Yahoo DomainKeys...
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James P Roberts wrote:
> Why bother signing the message DATA at all? Do we really need to verify
> unchanged contents? Aren't we just trying to confirm that the connecting
> host is legitimate to be sending it? Why not only sign the headers?


To prevent replay attacks?! Otherwise a spammer could take the signed
header lines and add another body. At least I would, if I were a
spammer. ;)

Andre
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Scotty, beam me arghhhh !
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