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      1 /*	$NetBSD: mail_addr.c,v 1.1.1.1 2009/06/23 10:08:46 tron Exp $	*/
      2 
      3 /*++
      4 /* NAME
      5 /*	mail_addr 3
      6 /* SUMMARY
      7 /*	pre-defined mail addresses
      8 /* SYNOPSIS
      9 /*	#include <mail_addr.h>
     10 /*
     11 /*	const char *mail_addr_double_bounce()
     12 /*
     13 /*	const char *mail_addr_postmaster()
     14 /*
     15 /*	const char *mail_addr_mail_daemon()
     16 /* DESCRIPTION
     17 /*	This module predefines the following addresses:
     18 /* .IP MAIL_ADDR_POSTMASTER
     19 /*	The postmaster handle. Typically used for sending mail to.
     20 /* .IP MAIL_ADDR_MAIL_DAEMON
     21 /*	The mailer-daemon handle. Typically used to bring bad news.
     22 /* .IP MAIL_ADDR_EMPTY
     23 /*	The empty mail address. This refers to the postmaster on the
     24 /*	local machine.
     25 /* .PP
     26 /*	mail_addr_double_bounce() produces the fully-qualified version
     27 /*	of the local double bounce address.
     28 /*
     29 /*	mail_addr_postmaster() produces the fully-qualified version
     30 /*	of the local postmaster address.
     31 /*
     32 /*	mail_addr_mail_daemon() produces the fully-qualified version
     33 /*	of the local mailer-daemon address.
     34 /* CONFIGURATION PARAMETERS
     35 /*	double_bounce_sender, the double bounce pseudo account.
     36 /*	myhostname, the local machine hostname.
     37 /* BUGS
     38 /*	Addresses are constructed by string concatenation, instead of
     39 /*	passing them to the rewriting service.
     40 /* LICENSE
     41 /* .ad
     42 /* .fi
     43 /*	The Secure Mailer license must be distributed with this software.
     44 /* AUTHOR(S)
     45 /*	Wietse Venema
     46 /*	IBM T.J. Watson Research
     47 /*	P.O. Box 704
     48 /*	Yorktown Heights, NY 10598, USA
     49 /*--*/
     50 
     51 /* System library. */
     52 
     53 #include <sys_defs.h>
     54 
     55 /* Utility library. */
     56 
     57 #include <stringops.h>
     58 
     59 /* Global library. */
     60 
     61 #include "mail_params.h"
     62 #include "mail_addr.h"
     63 
     64 /* mail_addr_double_bounce - construct the local double-bounce address */
     65 
     66 const char *mail_addr_double_bounce(void)
     67 {
     68     static char *addr;
     69 
     70     if (addr == 0)
     71 	addr = concatenate(var_double_bounce_sender, "@",
     72 			   var_myhostname, (char *) 0);
     73     return (addr);
     74 }
     75 
     76 /* mail_addr_postmaster - construct the local postmaster address */
     77 
     78 const char *mail_addr_postmaster(void)
     79 {
     80     static char *addr;
     81 
     82     if (addr == 0)
     83 	addr = concatenate(MAIL_ADDR_POSTMASTER, "@",
     84 			   var_myhostname, (char *) 0);
     85     return (addr);
     86 }
     87 
     88 /* mail_addr_mail_daemon - construct the local mailer-daemon address */
     89 
     90 const char *mail_addr_mail_daemon(void)
     91 {
     92     static char *addr;
     93 
     94     if (addr == 0)
     95 	addr = concatenate(MAIL_ADDR_MAIL_DAEMON, "@",
     96 			   var_myhostname, (char *) 0);
     97     return (addr);
     98 }
     99