Bcc:
Blind carbon copy RFC2822
A blind carbon copy is a copy of the mail message that
is sent to one or more recipients without the
knowledge of the primary recipients. Primary
recipients are listed in the To:
and Cc:
lines. When there
are multiple blind carbon copy recipients, knowledge
of each other is also hidden.
When run with a -t
command-line switch (to gather recipients from the
headers), the sendmail program
achieves this end by saving a list of all the blind
carbon copy recipients, deleting the Bcc:
header line, and
then delivering to each blind carbon copy recipient.
(See the Apparently-To:
header.)
The Bcc:
header
should never be declared in the
configuration file.
The field for the Bcc:
header must contain one or more
properly formed addresses. Where there is more than
one, each should be separated from the others by
commas.
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