-X
Log transactions V8.1 and later
The -X
command-line
switch tells sendmail to open
the file whose name is the next following argument
and to append both sides of all SMTP transactions to
that file. The -X
command-line switch is described in full in Log Transactions with -X on page
512.
Note that this -X
command-line switch causes
sendmail to drop special
privileges when run by an ordinary user.
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