Annotation of 43BSDTahoe/usr.lib/sendmail/cf/m4/nstcpldm.m4, revision 1.1

1.1     ! root        1: divert(10)
        !             2: #
        !             3: #  Sendmail
        !             4: #  Copyright (c) 1983  Eric P. Allman
        !             5: #  Berkeley, California
        !             6: #
        !             7: #  Copyright (c) 1983 Regents of the University of California.
        !             8: #  All rights reserved.  The Berkeley software License Agreement
        !             9: #  specifies the terms and conditions for redistribution.
        !            10: #
        !            11: #      @(#)nstcpldm.m4 1.7 (Berkeley) 3/31/88
        !            12: #
        !            13: divert(0)
        !            14: ############################################################
        !            15: ############################################################
        !            16: #####
        !            17: #####          Local Domain TCP Mailer specification
        !            18: #####
        !            19: #####  Messages processed by this specification are assumed to remain
        !            20: #####  the local domain -- hence, they must be canonical according to
        !            21: #####  RFC822 etc.
        !            22: #####
        !            23: #####  This mailer is to be used with the Berkeley Name Server.
        !            24: #####
        !            25: ############################################################
        !            26: ############################################################
        !            27: 
        !            28: Mtcpld,        P=[IPC], F=mDFMueXLC, S=17, R=27, A=IPC $h, E=\r\n
        !            29: 
        !            30: S17
        !            31: 
        !            32: # cleanup forwarding a bit
        !            33: R$*<$*>$*              $1$2$3                          defocus
        !            34: R$*                    $:$>3$1                         canonicalize
        !            35: R$*%$*<@$w>            $:$>9$1%$2                      user%localhost@localdomain
        !            36: 
        !            37: # pass <route-addr>'s through
        !            38: R<@$+>$*               $@<@$[$1$]>$2                   resolve <route-addr>
        !            39: 
        !            40: # map colons to dots everywhere
        !            41: R$*:$*                 $1.$2                           map colons to dots
        !            42: 
        !            43: # output local host as [email protected]
        !            44: R$-                    $@$1<@$w>                       user w/o host
        !            45: R$+<@$w>               $@$1<@$w>                       this host
        !            46: R$+<@$=w>              $@$1<@$w>                       or an alias
        !            47: R$+<@$->               $:$1<@$[$2$]>                   ask nameserver
        !            48: R$+<@$w>               $@$1<@$w>                       this host
        !            49: R$+<@$->               $@$1<@$2.$D>                    if nameserver fails
        !            50: 
        !            51: # if not local, and not a "fake" domain, ask the nameserver
        !            52: R$+<@$+.$~I>           $@$1<@$[$2.$3$]>                [email protected]
        !            53: R$+<@[$+]>             $@$1<@[$2]>                     already ok
        !            54: 
        !            55: # output fake domains as user%fake@relay
        !            56: 
        !            57: R$+<@$+.CSNET>         $@$1%$2.CSNET<@relay.cs.net>    [email protected]
        !            58: R$+<@$+.BITNET>                $@$1%$2.BITNET<@jade.berkeley.edu>       [email protected]
        !            59: R$+<@$+.UUCP>          $@$2!$1<@$w>                    [email protected]
        !            60: 
        !            61: 
        !            62: S27
        !            63: 
        !            64: # cleanup
        !            65: R$*<$*>$*              $1$2$3                          defocus
        !            66: R$*                    $:$>3$1                         now canonical form
        !            67: R$*%$*<@$w>            $:$>9$1%$2                      user%localhost@localdomain
        !            68: 
        !            69: # pass <route-addr>'s through
        !            70: R<@$+>$*               $@<@$[$1$]>$2                   resolve <route-addr>
        !            71: 
        !            72: # map colons to dots everywhere
        !            73: R$*:$*                 $1.$2                           map colons to dots
        !            74: 
        !            75: # output local host as [email protected]
        !            76: R$-                    $@$1<@$w>                       user w/o host
        !            77: R$+<@$w>               $@$1<@$w>                       this host
        !            78: R$+<@$=w>              $@$1<@$w>                       or an alias
        !            79: R$+<@$->               $:$1<@$[$2$]>                   ask nameserver
        !            80: R$+<@$w>               $@$1<@$w>                       this host
        !            81: R$+<@$->               $@$1<@$2.$D>                    if nameserver fails
        !            82: 
        !            83: # if not local, and not a "fake" domain, ask the nameserver
        !            84: R$+<@$+.$~I>           $@$1<@$[$2.$3$]>                [email protected]
        !            85: R$+<@[$+]>             $@$1<@[$2]>                     already ok
        !            86: 
        !            87: # output fake domains as user%fake@relay
        !            88: 
        !            89: R$+<@$+.CSNET>         $@$1%$2.CSNET<@relay.cs.net>    [email protected]
        !            90: R$+<@$+.BITNET>                $@$1<@$2.BITNET>                [email protected]
        !            91: R$+<@$+.UUCP>          $@$2!$1                         [email protected]
        !            92: 

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