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Text File | 1994-06-09 | 49KB | 1,327 lines

# @(#)24 1.53 com/cmd/send/sendmail.cf, cmdsend, bos325, 9340D325aa 9/20/93 18:01:20 # # COMPONENT_NAME: CMDSEND sendmail.cf # # FUNCTIONS: # # ORIGINS: 10 26 27 # # (C) COPYRIGHT International Business Machines Corp. 1985, 1989 # All Rights Reserved # Licensed Materials - Property of IBM # # US Government Users Restricted Rights - Use, duplication or # disclosure restricted by GSA ADP Schedule Contract with IBM Corp. # ############################################################ # # Sendmail # Copyright (c) 1983 Eric P. Allman # Berkeley, California # # Copyright (c) 1983 Regents of the University of California. # All rights reserved. The Berkeley software License Agreement # specifies the terms and conditions for redistribution. # ########################################################### # # Sendmail.cf for full domains. # ############################################################ ################################################################# # # If you want to rebuild the configuration file while the sendmail # daemon is running, you may issue a command "kill -1" to the # current process id (pid) of the sendmail daemon. The current # pid is saved in /etc/sendmail.pid. If sendmail was started using # startsrc, you can use "refresh -s sendmail" instead. # ################################################################# ################################################################# # # # WARNING: DON'T REMOVE LINES OF THE FORM #XY (like #OL below) # # OR THE EDCONFIG EDITOR WON'T WORK FOR THOSE LINES!!! # # # ################################################################# ########################################### # Important Program Control Functions # ########################################### # log level - turn it on early. #OL OL9 # queue directory - specify directory containing log file #OQ OQ/var/spool/mqueue ################################################################### # # Hostname definition # # Define the w macro to be the hostname that is used in outgoing mail. # The w macro should not include the local domain name; this should # be defined in the D macro. # # Define the w class to be all names that may appear on incoming mail # that should be delivered locally. These names should be the exact # form that will appear in the destination addresses of incoming mail # messages. # # Define the d class to be the domain names for all local networks. # This is used to determine when mail should be forwarded to a relay # host, as opposed to delivering directly to the (locally connected) # recipient host. # # For example, if your fully qualified hostname is "iree.austin.ibm.com", # you have an alias of "mailserv.austin.ibm.com", you have another network # interface that is called "ital" in the "test.ibm.com" domain, and you will # be receiving mail addressed to the "austin.ibm.com" domain itself (since # you are its mail server), your definitions should be as follows: # # Dwiree # DDaustin.ibm.com # Cw $w $?D$w.$D$. mailserv.austin.ibm.com ital.test.ibm.com austin.ibm.com # Cd $D test.ibm.com # # By default, sendmail uses the value returned from a hostname lookup of # the result of the "hostname" command to define the w, d and D macros # and classes. In addition, it also adds to the w class any aliases # defined for the local hostname. Therefore it is unnecessary to define # these values here unless you wish to supplement the default values. # #DwYourHostName #DDYourDomainName #Cw $w $?D$w.$D$. YourHostAliases #Cd $D YourOtherDomainNames # Dwcoop1 DDsegi.ulg.ac.be Cw $?D$w.$D$. test.ulg.ac.be Cd $D # MINSOUL: added for support of any address in the from field # of outgoing mail DYcoop1.segi.ulg.ac.be ################################################################### ################################################################### # # Relay mailer definition # # This defines the mailer to use to deliver mail to any defined relay # host(s). It defaults to the tcp mailer, but can be changed to any # defined mailer, such as uucp. # DMtcp # ################################################################### ################################################################### # # Source-route usage # # By default, the rewrite rules change the "%-hack" form of source # routing into an rfc-822-style source route. I.e., they change # "user%host%relay2@relay1" into "@relay1:user%host@relay2". # If the P macro is defined then this conversion won't be made, # and the address will be left in the %-hack form. # #DP # ################################################################### ################################################################### # # Host name for RSCS relay (YOU MAY OPTIONALLY DEFINE THIS) # # Optionally defined macro specifying name of the host for relaying # all RSCS traffic. This would be a VM host on the network with # VM TCP/IP (Program number 5798-FAL) installed. # # Defining this macro eliminates the requirement for you to explicitly # reference the relaying host in your RSCS route addresses. For # instance, if the VM host with VM TCP/IP is called "vme" and the # final RSCS destination is "vmz" then you would normally specify the # address as "@vme:uid@vmz" or "uid%vmz@vme". If you define the # macro "DVvme" then you only need specify "uid@vmz.RSCS". Note that # the full domain name of the host (vme.dom1.dom2.dom3) is not entered. # Sendmail does the appropriate canonicalization. Class "V" # defines all domain synonyms for RSCS. This line MUST be uncommented # when defining this macro. # #DVRelayHostName #CVRSCS BITNET NETNORTH EARN EARNET VNET # DVsmtp.ulg.ac.be CVRSCS BITNET NETNORTH EARN EARNET VNET ################################################################### ################################################################### # # Host name for UUCP relay (YOU MAY OPTIONALLY DEFINE THIS) # # Optionally defined macro specifying name of host to which you want # to relay all UUCP traffic. This would be a host on the network # with modems. You do not have to define this to use UUCP. # # Defining this macro eliminates the requirement for you to explicitly # reference the relaying host in your UUCP route addresses. For # instance, if the host with modems is called "cat", you normally would # have to specify a UUCP address as "cat!route_path". If you define # macro "DUcat", then you only need specify "route_path". # #DURelayHostName # DUsmtp.ulg.ac.be ################################################################### ################################################################### # # Host name for DECnet relay # (YOU MAY OPTIONALLY DEFINE THIS) # # Optionally defined macro specifying name of host to which you want # to relay all DECnet mail traffic via dnamail facility. # This would be a host on the network with tcp/ip, sendmail server and # DECnet software installed. # # If this macro is not defined, it implies that the # DECnet software runs locally or is not installed. # #DSRelayHostName # DSsmtp.ulg.ac.be ################################################################### ################################################################### # # Host name for X400 relay (YOU MAY OPTIONALLY DEFINE THIS) # # Optionally defined macro specifying name of host to which you want # to relay all X400 mail traffic. This would be a host on the network # with tcp/ip, sendmail server and RFC987 gateway software installed. # # If this macro is not defined, it implies that the RFC987 gateway # software runs locally or is not installed. # #DXRelayHostName # DXsmtp.ulg.ac.be ################################################################### ################################################################### # # Host name for Internet relay (YOU MAY OPTIONALLY DEFINE THIS) # # Optionally defined macro specifying name of host to which you want # to relay Internet mail. This would be a host on the network with # tcpip and SMTP server that is connected to the Internet. # # Defining this macro will allow you to forward all mail to the relay # host that is not destined for a host in the local domain(s). The # local domains are defined in the d class, above. If you wish ALL tcp # mail to be forwarded to the relay host, comment out the appropriate # rule in ruleset 0, as indicated in the ruleset's comments. # #DRRelayHostName # DRsmtp.ulg.ac.be ################################################################### ################################################################### # # Host name for central mail server (YOU MAY OPTIONALLY DEFINE THIS) # # Optionally defined macro specifying name of host to which you want # to relay all local mail. This is used if there is a central mail # server that should receive all mail for a given area. # # When this macro is defined, mail that would otherwise be delivered # to "user" on the local machine is delivered to "user@server" on the # server machine. Note that this is similar to what would occur if # the mail spool directory were remote-mounted from the mail server. # For this reason, this macro can be used to achieve the same effect # as remote-mounting the mail spool directory, but without the access # and locking problems that can sometimes occur with remotely mounted # filesystems. # #DLMailServerName # ################################################################### ####################### WARNING ############################# # SMTP transactions utilize the full domain (official) name # # of the host and changes may violate rfc1123. # ############################################################# # my official hostname Dj$w$?D.$D$. ##################################################### # Version Number (YOU MAY CHANGE THIS AS NEEDED)# ##################################################### #DZ DZ4.03 ###################### # Special macros # ###################### # my name DnMAILER-DAEMON # UNIX header format DlFrom $g $d # delimiter (operator) characters Do.:%@!^=/[] # format of a total name Dq$g$?x ($x)$. # SMTP login message De$j Sendmail $v/$Z ready at $b # class consisting of at-sign; used for negative comparison CA@ ################### ### Options ### ################### # location of alias file #OA OA/etc/aliases # substitution for space (blank) characters #OB OB. # (don't) connect to "expensive" mailers #Oc # default delivery mode #Od Odbackground # default GID #Og Og1 # alternate address limit for multihomed hosts # for rfc1123 compliance at least two addresses should be tried #Oh Oh2 # If the I option is set, sendmail treats "connection refused" and "timed out" # errors from the name server as non-fatal, leaving the message in the queue # for future delivery attempts. OI # location of sendmail.nl file #Ol #Ol/etc/sendmail.nl # treat incoming 8-bit characters as ISO 8859/1 characters #Ow # no NL encoding of outgoing mail (just like version prior to AIX3.0). Ok # The J option enables spaces to be used as the LHS/RHS delimiter in # rewrite rules, in addition to tabs. #OJ # Define whether and how to use a name server for resolving recipients. # # Possible values are: # MR use Mail Rename records to resolve recipient users # MB use Mail Box records to resolve recipient users # MG use Mail Group records to resolve recipient users # MX use Mail Exchanger records to resolve recipient hosts # ANY query for ANY records, rather than just CNAMEs, when # canonicalizing the recipient host; NOTE that this # cannot be used when there may be wildcard MX records # for the local domain or any of its parents, since # sendmail will accept this response as the # canonicalized hostname and end up with something like # "host.domain.local.domain" # ALL use all of the above # # You may use any combination of these, although it is recommended that # you specify MB if MR is specified. For example, "OK MG MX" would enable # the use of Mail Group and Mail Exchanger resource records. # # The default is not to use a name server for resolving recipients. # #OK MX # Name of the codeset for Japanese network. # Sendmail will convert mail from/to the codeset of a locale to/from # the codeset of the network specified with this option. # Note: The OOcodeset option must also be set when using the Obcodeset option. #Obcodeset # Name of the current locale's codeset for Japanese environments. # Sendmail will convert mail from/to the codeset of the network to/from the # codeset specified with this option. # Note: The Obcodeset option must also be set when using the OOcodeset option. #OOcodeset # default messages to old style #Oo Oo # map name for NIS aliases #Opmail.aliases # Slope of q function #Oq # read timeout -- violates protocols #Or Or5m # SMTP timeouts (with rfc1123 recommended times) # uncomment these timeouts to comply with rfc1123 # # read timeout while awaiting initial 220 greeting message #OU5m # read timeout while awaiting reply to MAIL command #OV5m # read timeout while awaiting reply to RCPT command #OE5m # read timeout while awaiting reply to DATA command #OR5m # timeout while awaiting completion to transmit a chunk of data #OG3m # read timeout while awaiting 250 OK after sending '.' #OW10m # status file #OS OS/etc/sendmail.st # queue up everything before starting transmission #Os Os # default timeout interval #OT OT3d # default UID #Ou Ou1 # load average at which we just queue messages #Ox # load average at which we refuse connections #OX # work recipient factor #Oy # work msg class factor #Oz # work time factor #OZ ########################### # Message precedences # ########################### Pfirst-class=0 Pspecial-delivery=100 Pbulk=-60 Pjunk=-100 ##################### # Trusted users # ##################### Troot Tdaemon Tuucp Tkinet ######################### # Format of headers # ######################### H?P?Return-Path: <$g> HReceived: $?sfrom $s $.by $j ($v/$Z) id $i; $b H?D?Resent-Date: $a H?D?Date: $a H?F?Resent-From: $q H?F?From: $q H?x?Full-Name: $x HSubject: # HPosted-Date: $a # H?l?Received-Date: $b H?M?Resent-Message-Id: <$t.$i@$j> H?M?Message-Id: <$t.$i@$j> ################################################################################ # # # REWRITING RULES # # # ################################################################################ ################################################################################ # # # The Complete Specification of Canonical Syntax is: # # # # <ahost> ::= /* ARPA type host name */ # # <uhost> ::= /* UUCP type host name */ # # <dhost> ::= /* DECnet type host name */ # # <xhost> ::= /* X400 type host name */ # # <user> ::= /* target user name */ # # # # <route_node> ::= @<ahost>: | <uhost>! | <dhost> :: | /C=...<xhost> # # <route_path> ::= <NULL> | <route_node> | <route_path><route_node> # # <target> ::= <user> | <user>@<ahost> | <uhost>!<user> | # # <dhost>::<user> | /C=...<xhost>.../DD=<user> # # <address> ::= <route_path><target> # # # # This is what we handle, but actually we only look at the minimum required # # to pass the mail on. Intermediaries with other syntax/semantics may be # # used, provided the addressing is compatible with them when the mail arrives # # there. # # # ################################################################################ ################################################################################ # # # THE DYNAMIC MACROS $f AND $g # # # # Macro $f is defined by the sender address as known the current host, via # # the ruleset sequence: 3, 1, 4. # # # # Macro $g is defined at delivery time for each separate mailer via the # # ruleset sequence: 3, 1, mailer-S, 4. # # # # The SMTP "MAIL FROM" address will be $g. # # # # $g is included in many headers and will be expanded if the header is # # newly created by sendmail. # # # ################################################################################ ################################################################################ # # # THE SMTP INTERFACE # # # # The SMTP "MAIL FROM" address will be $g. # # # # The SMTP "RCPT TO" addresses will be computed from the recipient addresses # # in sendmail by applying the same ruleset sequence as for "to" headers: # # namely, rulesets 3, 2, mailer-R, 4. # # # ################################################################################ ################################################################################ # # # S1: Sender Field Pre-rewriting # # # # This ruleset is used when defining the $f macro. In this case it is # # applied after S3 and before S4. # # # # This ruleset is applied to all sender type headers after S3 and before # # the mailer specific sender (S) rewrite rules. # # This ruleset is also applied to $f to create $g. # # # ################################################################################ S1 ################################################################################ # # # S2: Recipient Field Pre-rewriting # # # # This ruleset is applied to the user part of the 3-tuple output from S0. # # It is followed by application of the mailer specific recipient (R) rewrite # # rules. # # # # This ruleset is applied to all recipient type headers after S3 and # # before the mailer specific recipient (R) rewrite rules. # # This ruleset is likewise used to reform the "to" address for SMTP. # # # ################################################################################ S2 ################################################################################ # # # S4: Final Output Post-rewriting (Return to standard form) # # # # This ruleset is applied to the user part of the 3-tuple produced from # # ruleset 0. It is applied after the mailer specific recipient (R) rules. # # # # This ruleset is applied after S1 when defining the $f macro. # # This ruleset is applied last when creating the $g macro from $f. # # # # This ruleset is applied to all headers after the mailer specific # # rewrite rules (whether recipient or sender) have been applied. # # This ruleset is applied last when computing the RCPT TO address for SMTP. # # # ################################################################################ S4 R<@$+>:$+ $: $>5 <@$1>:$2 pass routes through ruleset 5 R$*@$*:@$*:$* $1@$2,@$3:$4 turn all but last @: into @, # # Change LOCAL.D to the real name. # R/C=$*<@LOCAL.D> $:/C=$1 R$*<@LOCAL.D>$* $:$1<@$w$?D.$D$.>$2 R$*<@$-.LOCAL.D>$* $:$1<@$2$?D.$D$.>$3 R$*<LOCAL.D>$* $:$1<$w$?D.$D$.>$2 R$*<$-.LOCAL.D>$* $:$1<$2$?D.$D$.>$3 # # Remove focus brackets. # R$*<$+>$* $1$2$3 R$+:/C=$+ $:/C=$2 R$+!/C=$+ $:/C=$2 ################################################################################ # # # S3: Address Canonicalization (Internal rewriting form) # # # # This ruleset turns an address in external format into a format which # # simplifies internal rewriting. The inverse ruleset is S4. # # This ruleset is applied first to any external address before other re- # # writing is done. # # # # This concept of canonicalization is to be distinguished from usage of the # # nameserver in the $[/$] construct inside the RHS of rewrite rules. This is # # also sometimes called "canonicalization", but has to do not with the syntax # # of the address but with obtaining the correct domain name for the address. # # # # No stripping of local domains is done for route addresses: Rulesets which # # require this must do it themselves by iteratively stripping LOCAL.D and # # recalling this ruleset to canonicalize the next host.item. # # # # The term "localization" refers to determining whether the next host item # # is really a reference to the current host. Localization assumes that local # # UUCP host names are in class w. This is not strictly a necessary restric- # # tion, but it simplifies the network concept and also makes for simpler # # rewrite rules. This ruleset replaces explicit instances of local host # # with the internally recognized tag "LOCAL.D". # # # # Addresses which do not specify a host name for routing or domain will NOT # # have any reference to the local host appended in any way. # # # ################################################################################ S3 # # Basic textual canonicalization -- note RFC733 heuristic here. # This strips off everything but the innermost list between <>'s. # Some addresses are of the format: Full Name <address> # R$*<$*<$*<$+>$*>$*>$* $4 3-level <> nesting R$*<$*<$+>$*>$* $3 2-level <> nesting R$*<$+>$* $2 basic RFC821/822 parsing # ====> NOTE <==== # This configuration file always evaluates mix mode addresses from # left to right. No precedence between @,!,:: or /C= is assumed. The # address a!b@c will resolve to the uucp mailer for the remote host # 'a'. This permits the resolution of very complex route based # addresses such as; @a,@b:c!d!e::user, a!@b:c!user, a!@b.uucp:user@c. # Return addresses on mail to/from uucp or DECnet machines are also correct. # X400 addresses are detected by a leading "/C=" and are passed intact to # the X400 mailer. The address /C=US/ADMD=ptt/PRMD=pco/DD=b!user resolves # to the X400 mailer. The recipient sendmail sees b!user and routes to # the uucp mailer. The address @a:/C=US/ADMD=ptt/PRMD=pco/DD=user # resolves to the tcp mailer for the remote host 'a'. This is how the # X400 relay is implemented. # If you wish the address a!b@c to resolve to the TCP # mailer for the remote host 'c' then uncomment the following rewrite # rule. # Change a!b@c to @c:a!b #R$+!$+@$+ @$3:$1!$2 # # Change commas to colons for route addresses. # R$+,$+ $1:$2 # Uncomment the following rule for compliance with rfc1123, which # discourages the use of explicit source routes. #R@$*:$* $2 # # Pick out route addresses. Focus and call localizer. # R/C=$* $?X$:@$[$X$]:/C=$1$|$:/C=$1 R@$+:$+ $@$>9<@$1>:$2 handle <route-addr> R$-!$+ $@$>8<$1>!$2 UUCP route # Uncomment the following rule for Ki Research kiNET's DECnet #R$-::$+ $@$>17<$1>::$2 DECnet addr # Detect X400. Focus and localize. R/C=$+@LOCAL.D $@/C=$1<@LOCAL.D> R/C=$+ $@</C=$1> X400 route addr # Detect domain!user. Internally convert to user@domain (RFC976). # Rule set 8 will detect local addresses and strip any trailing # periods. R$-.$*!$+ $@$>8<$1.$2>!$3 # Uncomment the following rule for Ki Research kiNET's DECnet # Detect domain::user. #R$-.$*::$+ $@$>17<$1.$2>::$3 DECnet addr # Handle the %-hack. We turn a%b%c@d into the canonical source-route # form @d:a%b@c. By default it is left that way, but it can be turned # back into the %-hack form by defining the P macro above. # R$~A$*%$+@$+ $:@$4:{$1$2%$3} turn into route-addr, localize R$~A$*%$+ $:{$1$2%$3} handle case with only %'s R$*{$+%$+} $1$2%{$3} shift focus to next hop relay R$*%{$*} $:$1@$2 turn final % into @ R$~A$*%$+ $@$>3$1$2%$3 iterate for %-only case R@$+:$+ $@$>9<@$1>:$2 treat as route-addr # # Detect local domain for nonroute addresses. Focus and localize. # R$+@$+ $:$1<@$2> R$+<@$=w> $@$1<@LOCAL.D> R$+<@$=w.> $@$1<@LOCAL.D> R$+<@$=w.UUCP> $@$1<@LOCAL.D> # # Anything else is left as-is! This includes simple names. # They will NOT have an appended domain. # This is so the $f macro definition will be the sender address # as known locally. # ################################################################################ # # # S5: Source-route rewriting # # # # This is called from ruleset 4. It expects a standard "<@relay>:user@host" # # source-route form, and if the P macro is defined it rewrites it into the # # "%-hack" form of "user%host<@relay>". # # # ################################################################################ S5 # If P macro is defined then rewrite source route into localpart@relay, # otherwise return it unchanged. R<@$+>:$+ $?P $: $2@$1 $| $@ <@$1>:$2 $. R$*@$*@$* $1%$2@$3 make all @'s but last into %'s R$*@$* $@ $1<@$2> replace brackets ################################################################################ # # S9: Localize ARPA type route path. # # This is used only by S3. # ################################################################################ S9 R<@$=w>:$* $@<@LOCAL.D>:$2 R<@$=w.>:$* $@<@LOCAL.D>:$2 R<@$=w.UUCP>:$* $@<@LOCAL.D>:$2 ################################################################################ # # S8: Localize UUCP route path. This is used only by S3. # ################################################################################ S8 R<$=w>!$+ $@<LOCAL.D>!$2 R<$=w.>!$+ $@<LOCAL.D>!$2 R<$+.>!$+ <$1>!$2 # We have a non-local domain. If you want these changed to # user@domain for resolution uncomment the following lines. # R<$-.$+>!$+ $@<@$1.$2>:$3 # R<$+.>!$+ $@<@$1>:$2 R<$+.>!$+ <$1>!$2 ################################################################################ # # S17: Localize DECnet route path. This is used only by S3. # ################################################################################ S17 # Uncomment the following rules for Ki Research kiNET's DECnet #R<$=w>::$+ $@<LOCAL.D>::$2 #R<$=w.>::$+ $@<LOCAL.D>::$2 # We have a non-local domain. If you want these changed to # user@domain for resolution uncomment the following lines. # R<$-.$+>::$+ $@<@$1.$2>:$3 # R<$+>::$+ <$1>::$2 ################################################################################ # # # MAILERS # # # ################################################################################ ################################################################################ # # # Local and Program Mailer specification # # # ################################################################################ # Mlocal, P=/bin/bellmail, F=lsDFMmn, S=10, R=20, A=mail -F $g $u Mprog, P=/bin/sh, F=lsDFM, S=10, R=20, A=sh -c $u ################################################################################ # # S10: Local/Prog Mailers Sender rules # ################################################################################ S10 ################################################################################ # # S20: Local/Prog Mailers Recipient rules # ################################################################################ S20 ################################################################################ # # # UUCP Mailer Specification # # # ################################################################################ Muucp, P=/usr/bin/uux, F=DFMhuU, S=13, R=23, M=100000, A=uux - -r -n -a$f -gC $h!rmail ($u) ################################################################################ # # # DECnet # # # # Note: Modify this mailer to accomodate appropriate DECnet mailer being used. # ################################################################################ Mkinet, P=/usr/etc/dna/bin/dnamail, F=MNsf, S=16, R=26, A=dnamail -f $f -n $h $u ################################################################################ # # S16: DECnet (kinet) Sender rules # ################################################################################ S16 ################################################################################ # # S26: DECnet (kinet) Recipient rules # ################################################################################ S26 ################################################################################ # # S13: UUCP Mailer Sender Rules # # This ruleset is applied in the following circumstances: # # 1) To process sender type headers. These have header names: # # "resent-sender" # "resent-from" # "resent-reply-to" # "sender" # "from" # "reply-to" # "return-receipt-to" # "errors-to" # # 2) To define the $g macro from the $f macro. The definition of $g must # contain a bang character if UGLY UUCP From lines are to be gen'd. # # In either case, it is applied after ruleset 1, and is followed by ruleset 4. # # Watch out if one of those headers is newly created and includes the expanded # $g macro! This ruleset will have been used to create $g, and will then be # applied to the result of the expansion of $g. This ruleset must handle # this! # # The $g macro is used in many places. # ################################################################################ S13 # # We have just canonicalized a From: address or the $f macro. Remove any # instances of local host from route addresses. This also works to take # care of the instance of a newly expanded $g in a new From: line. # R<$*LOCAL.D$*>$-$+ $>3$4 # # Remove any local domain. # R$+<@LOCAL.D$*> $1 # # Fully qualify any domain which remains. # R$+<@$-> $1<@$2.LOCAL.D> # # Prefix sender address with UUCP target host name. This creates or adds # to the route. Note that definition of $g will cause prefix of $w. Then # processing a new From: line containing expanded $g will add another $w prefix # unless it is stripped above. # R$+ $:$w!$1 add it back ################################################################################ # # S23: UUCP Mailer Recipient rules # # This ruleset is applied in the following cases: # # 1) To process recipient type headers being sent out through this mailer. # These headers are the ones with header names: # # "to" # "resent-to" # "cc" # "resent-cc" # "bcc" # "resent-bcc" # # 2) To process the user part of the 3-tuple from S0 which resolves # to this mailer. What is processed will be the path remaining after # the next host is stripped. This is enclosed in focus braces to # distinguish it from a recipient header line address. # # In either case, this ruleset is applied after ruleset 2, and is followed by # ruleset 4. # # Remember that this ruleset applies to all "to" type headers in the mail # transmitted via this mailer. This does not inclue "Apparently-to:" headers. # Not all "To:" headers point to the current mail target! For instance, if # the mail originated on this host and some targets were local, there may be # local "To:" headers that must be processed by this ruleset! # The idea here is to make sure that the headers will be properly understood # in the context of the next host to which the mail will go. # # A subtlety to be kept in mind is that when this is applied to the user part # of the 3-tuple output from S0, that that user part is not preprocessed # by S3 before treatment by this ruleset. However, when a header is being # processed, S3 will have been used. The difference arises from the fact # that S3 generates the LOCAL.D tag, whereas the user part of a UUCP address # may contain the current host name as the first target. This would be typical # of a test scenario to UUCP to a remote, and have that remote UUCP back # to us. # ################################################################################ S23 # # Items that come in from S0 get left alone. # R<$+> $@$1 # # Leave route based addresses alone. They are already completely intelligible # in any context. # R<$+>$+ $@<$1>$2 # # Add full domain to other host names in local domain. # R$+<@$-> $@$1<@$2.LOCAL.D> # # Leave all other typical domain addresses alone. # R$+<$+> $@$1<$2> # # Append full local domain where none exists at all. This handles the case # of local targets whose (missing) host would cause misunderstanding in the # next host. # R$+ $@$1<@LOCAL.D> ################################################################################ # # # TCP Mailer Specification # # # ################################################################################ Mtcp, P=[IPC], F=mDFMueXLN, S=14, R=24, A=IPC $h, E=\r\n ################################################################################ # # S14: TCP Mailer Sender Rules # # This ruleset is applied in the following circumstances: # # 1) To process sender type headers. These have header names: # # "resent-sender" # "resent-from" # "resent-reply-to" # "sender" # "from" # "reply-to" # "return-receipt-to" # "errors-to" # # 2) To define the $g macro from the $f macro. # # In either case, it is applied after ruleset 1, and is followed by ruleset 4. # # Watch out if one of those headers is newly created and includes the expanded # $g macro! This ruleset will have been used to create $g, and will then be # applied to the result of the expansion of $g. This ruleset must handle # this! # # The $g macro is used in many places. # ################################################################################ S14 # # # We have just canonicalized a From: address or the $f macro. Remove any # instances of local host from route addresses. This also works to take # care of the instance of a newly expanded $g in a new From: line. # R</C=$+> $@<@LOCAL.D>:/C=$1 R/C=$+<@$+> $@<@LOCAL.D>:/C=$1 R<$*LOCAL.D$*>$-$+ $>3$4 # # Prepend our domain to route based paths that come through. # R<$+>$+ $@<@LOCAL.D>:$1$2 # # Fully qualify other hosts in our local domain. # R$+<@$-> $@$1<@$2.LOCAL.D> # # Leave all other typical domain addresses alone. # R$+<$+> $@$1<$2> # # Append full local domain where none exists at all. # #R$+ $@$1<@LOCAL.D> # Replace the previous commented line in order to use the Y macro for outgoing mail R$+ $:$1<@$?Y$Y$|$j$.> add local domain ################################################################################ # # S24: TCP Mailer Recipient rules # # This ruleset is applied in the following cases: # # 1) To process recipient type headers being sent out through this mailer. # These headers are the ones with header names: # # "to" # "resent-to" # "cc" # "resent-cc" # "bcc" # "resent-bcc" # # but NOT: # # "Apparently-to" # # 2) To process the user part of the 3-tuple from S0 which resolves # to this mailer. This is the complete "to" address for ordinary # tcp usage, or is the original UUCP path if we are relaying using DU. # # 3) To process the "to" address to form the SMTP RCPT TO address. # # In all cases, this ruleset is applied after ruleset 2, and is followed by # ruleset 4. # # Remember that this ruleset applies to all "to" type headers in the mail # transmitted via this mailer. This does not inclue "Apparently-to:" headers. # Not all "To:" headers point to the current mail target! For instance, if # the mail originated on this host and some targets were local, there may be # local "To:" headers that must be processed by this ruleset! # The idea here is to make sure that the headers will be properly understood # in the context of the next host to which the mail will go. # ################################################################################ S24 R</C=$+> $@</C=$1> # # Leave route based addresses alone. They are already completely intelligible # in any context. # R<$+>$+ $@<$1>$2 # # Fully qualify nonlocal host names in our local domain. # R$+<@$-> $@$1<@$2.LOCAL.D> # # Leave all other typical domain addresses alone. # R$+<$+> $@$1<$2> # # Append full local domain where none exists at all. This handles the case # of local targets whose (missing) host would cause misunderstanding in the # next host. # R$+ $@$1<@LOCAL.D> ################################################################################ # # # Forwarding to RFC987 gateway mailer specification # # ################################################################################ Mto987gateway, P=[IPC], F=mDFMueX, S=15, R=25, A=IPC $h ################################################################################ # # # The RFC987 gateway mailer specification # # # # The RFC987 gateway simulation program and its path can be renamed to any # # name and path by modifying the following Mailer definition below. # # # ################################################################################ M987gateway, P=/usr/lpp/osimf/etc/x400mailer, F=sBFMhulmnSC, S=15, R=25, A=gateway -f /etc/x400gw.cfg $f $u ################################################################################ # # S15: RFC987 gateway Mailer Sender Rules # # This ruleset is applied in the following circumstances: # # 1) To process sender type headers. These have header names: # # "resent-sender" # "resent-from" # "resent-reply-to" # "sender" # "from" # "reply-to" # "return-receipt-to" # "errors-to" # # 2) To define the $g macro from the $f macro. # # In either case, it is applied after ruleset 1, and is followed by ruleset 4. # # Watch out if one of those headers is newly created and includes the expanded # $g macro! This ruleset will have been used to create $g, and will then be # applied to the result of the expansion of $g. This ruleset must handle # this! # # The $g macro is used in many places. # ################################################################################ S15 # # Fully qualify nonlocal host names in our local domain. # R$+<@$-> $@$1<@$2.LOCAL.D> # # Leave all other typical domain addresses alone. # R$+<$+> $@$1<$2> ################################################################################ # # S25: RFC987 gateway Mailer Recipient rules # # S25 R$+ $:<$1> ################################################################################ # # # S7: Address stripping for comparison against sendmail.nl lists # # # # This ruleset is applied to an address before checking to see if the # # address exists in one of the lists in the sendmail.nl file. # # Its function is to strip off information which is irrelevant to # # determining the final destination system. This normally means all # # information to the left of the last "@" for domain addresses and # # the user name which is to the right of the last "!" in a bang # # path address. This ruleset should only be modified if there are # # addressing schemes which must be accomodated. # # # ################################################################################ S7 #Domain addresssing (up to 6 level) R$+@$-.$-.$-.$-.$-.$- @$2.$3.$4.$5.$6.$7 R$+@$-.$-.$-.$-.$- @$2.$3.$4.$5.$6 R$+@$-.$-.$-.$- @$2.$3.$4.$5 R$+@$-.$-.$- @$2.$3.$4 R$+@$-.$- @$2.$3 R$+@$- @$2 #Bang addressing R$+!$- $1! ################################################################################ # # # S6: Parsing addresses for nameserver queries # # # # This ruleset is applied to an address before querying the nameserver # # for any MB, MR, or MG records that match the address. It will only # # parse an address of the form "user@domain"; it returns the result in # # the form "user.domain", which is suitable for the nameserver query, # # and it prepends a "$#" token to indicate success. # # # ################################################################################ S6 # # Pass only addresses consisting of exactly one token, an '@', and one # or more tokens. # R$-@$+ $#$1.$2 ################################################################################ # # # Rule Zero # # # # Resolve sender or recipient address to mailer/host/user 3-tuple. # # This may require iteration in use of S3 to strip leading route items # # which pertain to the current host. # # # # Sendmail will pass the user portion of the 3-tuple through ruleset 2 + # # the mailer specific recipient ruleset + ruleset 4. # # # ################################################################################ S0 # # Handle route addresses that begin with LOCAL.D # R<$*LOCAL.D$*>$-$+ $>3$4 # # Handle explicit local delivery. # # The entire prefix is treated as local user. R/C=$+/S=$-$*<@LOCAL.D$*> $?L $#tcp$@$[$L$]$:$2<@$[$L$]> $| $#local$:$2 $. R$+<@LOCAL.D$*> $?L $#tcp $@$[$L$] $:$1<@$[$L$]> $| $#local $:$1 $. # # Resolve X.400 addresses to the RFC987 gateway mailer. # R</C=$*> $#987gateway$:/C=$1 # # Resolve UUCP to local uucp mailer or remote relay. # For relay, user is full uucp route. For uucp mailer, user is # the uucp route as seen from the next host. # UUCP hostnames are not passed through the nameserver canonicalizer. # R$+<@$-.UUCP> $?U$#$M$@$[$U$]$:$1<@$2.UUCP>$|$#uucp$@$2$:<$1>$. R<@$+.UUCP>:$+ $?U$#$M$@$[$U$]$:<@$1.UUCP>:$2$|$#uucp$@$1$:<$2>$. R<$+>!$+ $?U$#$M$@$[$U$]$:<$1>!$2$|$#uucp$@$1$:<$2>$. # Uncomment the following rule for Ki Research kiNET's DECnet # # Resolve DECnet to local DECnet mailer or remote relay. # For relay, user is full DECnet route. For DECnet mailer, # user is the DECnet route as seen from the next host. # DECnet hostnames are not passed through the nameserver canonicalizer. # #R<$+>::$+ $?S$#$M$@$[$S$]$:<$1>::$2$|$#kinet$@$1$:<$2>$. # Resolve any RSCS relays. Note that relay is canonicalized. # R$+<@$-.$=V> $?V$#$M$@$[$V$]$:$1<@$2.$3> R<@$+.$=V>:$+ $?V$#$M$@$[$V$]$:<@$1.$2>:$3 # # Canonicalize anything else which has an @focus. This excludes simple names, # which are local. # R$*<@$+>$* $:$1<@$[$2$]>$3 # # Send domain address to tcp. This includes domain literals [IP quads]. # User is full focused path. # # Resolve addresses that are in our local domain(s). # R$*<@$-.$=d>$* $#tcp $@$2.$3 $:$1<@$2.$3>$4 # If the DR macro is defined, addresses that do not resolve to local # domain are forwarded to relay host. Comment the above rule if you # want everything sent to the relay host. # R$*<@$+>$* $?R $#$M$@$[$R$]$:$1<@$2>$3 $| $#tcp$@$2$:$1<@$2>$3 $. # # Remaining names must be local. # User is whatever is left. # R$+ $?L $#tcp $@$[$L$] $:$1<@$[$L$]> $| $#local $:$1 $.