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NNAAMMEE
       preline - prepend lines to message

SSYYNNOOPPSSIISS
       in ..qqmmaaiill_e_x_t: || pprreelliinnee _c_o_m_m_a_n_d

DDEESSCCRRIIPPTTIIOONN
       pprreelliinnee  feeds  each incoming mail message through _c_o_m_m_a_n_d.  At the top
       of each message it inserts a UUCP-style FFrroomm__ line, a RReettuurrnn--PPaatthh line,
       and a DDeelliivveerreedd--TToo line.

       pprreelliinnee  is  useful  for pprrooccmmaaiill and ELM’s ffiilltteerr, which do not under-
       stand the qqmmaaiill--ccoommmmaanndd environment variables.

OOPPTTIIOONNSS
       --dd     Do not include the DDeelliivveerreedd--TToo line. You should use this option
              when  the  recipient  of  the  incoming mail message is actually
              under remote control, but was sent here through ccoonnttrrooll//vviirrttuuaall--
              ddoommaaiinnss for manual routing.

       --ff     Do not include the FFrroomm__ line. You should use this option except
              for _c_o_m_m_a_n_ds that create _m_b_o_x files.

       --rr     Do not include the RReettuurrnn--PPaatthh line.

SSEEEE AALLSSOO
       mbox(5), qmail-command(8)



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