unknown.c

[詳解]

/*++
/* NAME
/*  unknown 3
/* SUMMARY
/*  delivery of unknown recipients
/* SYNOPSIS
/*  #include "virtual.h"
/*
/*  int deliver_unknown(state)
/*  LOCAL_STATE state;
/* DESCRIPTION
/*  deliver_unknown() delivers a message for unknown recipients.
/* .PP
/*  Arguments:
/* .IP state
/*  Message delivery attributes (sender, recipient etc.).
/* .IP usr_attr
/*  Attributes describing user rights and mailbox location.
/* DIAGNOSTICS
/*  The result status is non-zero when delivery should be tried again.
/* LICENSE
/* .ad
/* .fi
/*  The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/*  Wietse Venema
/*  IBM T.J. Watson Research
/*  P.O. Box 704
/*  Yorktown Heights, NY 10598, USA
/*--*/

/* System library. */

#include <sys_defs.h>

/* Utility library. */

#include <msg.h>

/* Global library. */

#include <bounce.h>

/* Application-specific. */

#include "virtual.h"

/* deliver_unknown - delivery for unknown recipients */

int     deliver_unknown(LOCAL_STATE state)
{
    const char *myname = "deliver_unknown";

    /*
     * Make verbose logging easier to understand.
     */
    state.level++;
    if (msg_verbose)
    MSG_LOG_STATE(myname, state);

    dsb_simple(state.msg_attr.why, "5.1.1",
           "unknown user: \"%s\"", state.msg_attr.user);
    return (bounce_append(BOUNCE_FLAGS(state.request),
              BOUNCE_ATTR(state.msg_attr)));
}