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Re: Bcc: according to RFC 5322

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Gary R. Schmidt to Grant Taylor:

> > As such, BCC recipients would also not see themselves or
> > other BCC recipients.
>
> When I was taught to type "Blind Carbon Copies" on manual
> typewriters, with real carbon paper, envelopes 9and
> stamps) that had to be moistened, the idea was that named
> recipients of such documents would not know who else might
> receive a copy.
>
> But that's a) Common Sense, and b) Basic English.

Concealing blind (Bcc:) recipients from other (To:, Cc:),
non-blind, recipients as a group makes sense as well, and is
explicitely allowed in RFC 822, section 4.5.3:

   This field contains the identity of additional recipients
   of the message.  The contents of this field are not
   included in copies of the message sent to the primary and
   secondary recipients.  Some systems may choose to include
   the text of the "Bcc" field only in the author(s)'s copy,
   while others may also include it in the text sent to all
   those indicated in the "Bcc" list.

And I am sure that RFCs 2822 and 5322 both only extend those
requirements by adding more options for the handling of
Bcc:, while remaining backwards compatible with 822.  In the
latter two RFCs, a Bcc: line listing all of the blind
recipients is not forbidden in 3.6.3, and is also mentioned
as a possible choice in section 5:

   If the "Bcc:" field sent contains all of the blind
   addressees, all of the "Bcc:" recipients will be seen by
   each "Bcc:" recipient.

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Bcc: according to RFC 5322 Anton Shepelev <anton.txt@g{oogle}mail.com> - 2024-07-25 17:59 +0300
  Re: Bcc: according to RFC 5322 Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-25 17:32 -0500
    Re: Bcc: according to RFC 5322 Anton Shepelev <anton.txt@gmail.moc> - 2024-07-26 01:46 +0300
      Re: Bcc: according to RFC 5322 Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-25 21:03 -0500
    Re: Bcc: according to RFC 5322 "Gary R. Schmidt" <grschmidt@acm.org> - 2024-07-26 22:40 +1000
      Re: Bcc: according to RFC 5322 Anton Shepelev <anton.txt@gmail.moc> - 2024-07-28 00:35 +0300
  Re: Bcc: according to RFC 5322 Sirius <sirius@trudheim.com> - 2024-07-26 16:09 +0200
    Re: Bcc: according to RFC 5322 Anton Shepelev <anton.txt@gmail.moc> - 2024-07-28 00:43 +0300

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