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Re: Postfix BCC handling - visibility

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  • Brian Evans - Postfix List
    ... BCCs are not headers. They are envelope recipients. Mail clients simply translate them into RCPT TO on delivery and never add them to the header.
    Message 1 of 2 , Jul 31, 2009
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      Paul Cocker wrote:
      > How does Postfix handle BCCs in terms of visibility? I was checking
      > whether a 3rd party would be able to access the BCC list if they
      > received an e-mail with BCC recipients, but was unable to determine
      > whether:
      >
      > A) This is dependent upon all mail servers in the chain or only the
      > e-mail gateway on our side
      >
      > B) Postfix includes the BCC header and thus provides a route for people
      > to find out who was BCC'd
      >
      BCCs are not headers. They are envelope recipients.
      Mail clients simply translate them into RCPT TO on delivery and never
      add them to the header.
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