F=9
Convert 7- to 8-bit if appropriate V8.8 and later
The F=9 delivery
agent flag causes the MIME message body of a
delivered message to be converted back from either
quoted-printable or base64 into its original
8-bit form. The F=9 delivery agent flag is effective
only if sendmail was compiled
with MIME7TO8 defined (MIME7TO8 on
page 123).
Conversion works only on single-part MIME messages. If
the Content-Type:
header is other than text/plain, no conversion is done.
Otherwise, the Content-Transfer-Encoding: header is
examined. If the Content-Transfer-Encoding: header type
is base64,
conversion is done from base64 to 8-bit. Otherwise, if the
Content-Transfer-Encoding: header type
is quoted-printable, conversion is done
from quoted-printable to 8-bit. If the
Content-Transfer-Encoding: header type
is neither, no conversion is done.
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