[Full-Disclosure] Re: a question about e-mails

[Sebastian Niehaus <killedbythoughts@xxxxxxxxxxxxx>]

"Dave Howe" <DaveHowe@xxxxxxxxxxxxxxxxxx> writes:

> If you aren't listed in To or CC, it is obvious you were BCCed,
> and it is impossible to determine the other BCC recipients as that
> information never leaves the mail composer (that said, an initial
> first-hop host *could* compare multiple emails sent in a single session,
> and rebuild the BCC 

Given the recipients of all mails are on the same domain or on the
same MX the last hop can rebuild the bcc as well.

Unless somebody inbetween uses qmail as mailserver :-)


Sebastian

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