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Text File | 1996-02-21 | 31KB | 689 lines

######################################################################## # # # # # 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. # # # # This configuration file was modified specifically for IBM's # # SENDMAIL product for the IBM OS/2 Operating System. Please avoid # # making changes to this file, as it will change the operation of # # SENDMAIL. # # # # Modified by: Ed Overly & Daniel Barton @ IBM # # Yorktown, NY Research Triangle Park, NC # ######################################################################## ######################################################################## # # # Host name definition (YOU MUST DEFINE THESE) # # # # Define macro for your host name for all return addresses. # # Define class to recognize all aliases of your host name. # # # # The domain will be added to this name!!! -mjz # # # #DwYourHostName # #CwYourHostName YourHostAliases # ######################################################################## # My host name Dwadeptbbs Cwadeptbbs ######################################################################## # # # Local domain name. (DEFINE THIS IF DOMAINS ARE USED) # # **WARNING** # # When domain names are used, SMTP transactions utilize the # # full domain (official) name of the host. All host names with # # no domains (abbreviated) are expanded with the local domain # # by the mail service. This is consistent with Internet text standards.# # All hosts sending or RECEIVING mail must recognize their official # # host names. When using domains enter the official host name in # # /etc/hosts and be certain that all network nameservers recognize # # official host names. # # # # Define the D macro to be the whole domain for the local host. # # This configuration file supports four part domains. It can be # # expanded to support n part domains. # # # #DDgrandchild.child.parent.top # ######################################################################## # My domain name DDhsonline.net ######################################################################## # # # Host name for UUCP handling (YOU MAY OPTIONALLY DEFINE THIS) # # # # Optionally define 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". # # # #DUHostWithModems # # # ######################################################################## # my official host name (includes host name and domain name) Dj$w$?D.$D$. ##################################################### # Version Number (YOU MAY CHANGE THIS AS NEEDED)# ##################################################### DZ1.0 ###################### # 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 $b ############### # Options # ############### # location of alias file OAc:\tcpip\etc\aliases # substitution for space (blank) characters OB. # (don't) connect to "expensive" mailers #Oc # default delivery mode Odbackground # location of help file OHc:\tcpip\etc\sendmail.hf # Queue directory - specify directory containing log file OQc:\tcpip\etc\mqueue # default messages to old style Oo # status file OSc:\tcpip\etc\sendmail.st # queue up everything before starting transmission Os # load average at which we refuse connections #OX # work recipient factor #Oy # work msg class factor #Oz # work time factor #OZ ########################### # Message precedences # ########################### Pfirst-class=0 Pspecial-delivery=100 Pbulk=-60 Pjunk=-100 ##################### # Trusted users # ##################### # This parameter is not used by OS/2 Sendmail. Tdaemon ######################### # Format of headers # ######################### H?P?Return-Path: <$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 */ # # <user> ::= /* target user name */ # # # # <route_node> ::= @<ahost>: | <uhost>! # # <route_path> ::= <NULL> | <route_node> | <route_path><route_node> # # <target> ::= <user> | <user>@<ahost> # # # # <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 $f. # # # # This ruleset is applied to all headers after the mailer specific # # rewrite rules (whether recipient or sender) have been applied. # # This ruleset is applied last when computing the RCPT TO address for # # SMTP. # # # ######################################################################## S4 # # Change LOCAL or LOCAL.D to the real name. # R$*<@LOCAL>$* $:$1<@$w>$2 R$*<@LOCAL.D>$* $:$1<@$w$?D.$D$.>$2 R$*<@$-.LOCAL>$* $:$1<@$2$?D.$D$.>$3 R$*<LOCAL>$* $:$1<$w>$2 R$*<LOCAL.D>$* $:$1<$w$?D.$D$.>$2 R$*<$-.LOCAL>$* $:$1<$2$?D.$D$.>$3 # # Remove focus brackets. # R$*<$+>$* $1$2$3 ######################################################################## # # # 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 # # rewriting 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 or 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 restriction, 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" or "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$*<$*<$*<$+>$*>$*>$* $4 3-level <> nesting R$*<$*<$+>$*>$* $3 2-level <> nesting R$*<$+>$* $2 basic RFC821/822 parsing # # Turn an "at" token into "@". # # The I macro specifies space or some equivalent char defined by the OI # config option above. # R$+ at $+ $:$1@$2 "at" -> "@" for RFC 822 # Change a%b to a@b. This implies that we support a%b%c... as a route # based address from right to left. # This form of addressing should go away as full domains are supported. # R$+%$- $1@$2 # ====> NOTE <==== # This configuration file always evaluates mix mode addresses from # left to right. No precedence between @ and ! is assumed. The # address a!b@c will resolve to the uucp mailer for the remote host # 'a'. This permits the resolution of very complex route based # addresses such as; @a:@b:c!d!user, a!@b:c!user, a!@b.uucp:user@c. # Return addresses on mail to/from AIX level 4 machines are also # correct. If you wish the address a!b@c to resolve to the TCP # mailer for the remote host 'c' then uncomment the following rewrite # rule. This approach is compatible with older versions of sendmail. # Change a!b@c to @c:a!b #R$-!$-@$+ @$3:$1!$2 # # Change commas to colons for route addresses. # R$+,$+ $1:$2 # # Pick out route addresses. Focus and call localizer. # R@$+:$+ $@$>9<@$1>:$2 handle <route-addr> R$-!$+ $@$>8<$1>!$2 UUCP route # Detect domain!user. Internally convert to user@domain (RFC976). # Rule set 8 will detect local addresses and strip any trailing # periods. R$-.$*!$+ $@$>8<$1.$2>!$3 # # Detect local domain for nonroute addresses. Focus and localize. # R$+@$+ $:$1<@$2> R$+<@$=w.$D> $@$1<@LOCAL.D> R$+<@$=w> $@$1<@LOCAL> R$+<@$=w.UUCP> $@$1<@LOCAL> # # Anything else is left as-is! This includes simple names. # They will NOT have an appended domain. # This is so the $f macro definition will be the sender address # as known locally. # ######################################################################## # # # S9: Localize ARPA type route path. # # # # This is used only by S3. # # # ######################################################################## S9 R<@$=w.$D>:$* $@<@LOCAL.D>:$2 R<@$=w>:$* $@<@LOCAL>:$2 R<@$=w.UUCP>:$* $@<@LOCAL>:$2 ######################################################################## # # # S8: Localize UUCP route path. This is used only by S3. # # # ######################################################################## #S8 #R<$=w.$D>!$+ $@<LOCAL.D>!$2 #R<$=w>!$+ $@<LOCAL>!$2 # We have a non-local domain. Change to user@domain for resolution. #R<$-.$+>!$+ $@<@$1.$2>:$3 #R<$+.>!$+ $@<@$1>:$2 ######################################################################## # # # MAILERS # # # ######################################################################## ######################################################################## # # # Local and Program Mailer specification # # # ######################################################################## #Mlocal, P=c:\etc\mail.exe, F=lsDFMP, S=10, R=20, A=c:\etc\mail $u Mlocal, P=c:\smtp\SMTP2ADEPT.exe, F=lsDFMP, S=10, R=20, A=c:\tcpip\etc\mail $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) ######################################################################## # # # TCP Mailer Specification # # # ######################################################################## Mtcp, P=[IPC], F=mDFMueXL, S=14, R=24, A=IPC $h ######################################################################## # # # 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 $g in a new # From: line. # R<$*LOCAL$*>$-$+ $>3$4 # # Prepend our domain to route based paths that come through. # R<$+>$+ $@<@LOCAL.D>:$1$2 # # Fully qualify our domain. # R$+<@LOCAL> $@$1<@LOCAL.D> # # Fully qualify other hosts in our local domain. # R$+<@$-> $@$1<@$2.LOCAL> # # Leave all other typical domain addresses alone. # R$+<$+> $@$1<$2> # # Append full local domain where none exists at all. # R$+ $@$1<@LOCAL.D> ######################################################################## # # # S24: TCP Mailer Recipient rules # # # # This ruleset is applied in the following cases: # # # # 1) To process recipient type headers being sent out through this # # mailer. These headers are the ones with header names: # # # # "to" # # "resent-to" # # "cc" # # "resent-cc" # # "bcc" # # "resent-bcc" # # # # but NOT: # # # # "Apparently-to" # # # # 2) To process the user part of the 3-tuple from S0 which resolves # # to this mailer. This is the complete "to" address for ordinary # # tcp usage, or is the original UUCP path if we are relaying # # using DU. # # # # 3) To process the "to" address to form the SMTP RCPT TO address. # # # # In all cases, this ruleset is applied after ruleset 2, and is # # followed by ruleset 4. # # # # Remember that this ruleset applies to all "to" type headers in the # # mail transmitted via this mailer. This does not include # # "Apparently-to:" headers. Not all "To:" headers point to the # # current mail target! For instance, if the mail originated on this # # host and some targets were local, there may be local "To:" headers # # that must be processed by this ruleset! The idea here is to make # # sure that the headers will be properly understood in the context of # # the next host to which the mail will go. # # # ######################################################################## S24 # # Leave route based addresses alone. They are already completely intelligible # in any context. # R<$+>$+ $@<$1>$2 # # Fully qualify our host name with full domain. # R$+<@LOCAL> $@$1<@LOCAL.D> # # Fully qualify nonlocal host names in our local domain. # R$+<@$-> $@$1<@$2.LOCAL> # # Leave all other typical domain addresses alone. # R$+<$+> $@$1<$2> # # Append full local domain where none exists at all. This handles the # case of local targets whose (missing) host would cause misunderstanding # in the next host. # R$+ $@$1<@LOCAL.D> ######################################################################## # # # Rule Zero # # # # Resolve sender or recipient address to mailer/host/user 3-tuple. # # This may require iteration in use of S3 to strip leading route # # items which pertain to the current host. # # # # Sendmail will pass the user portion of the 3-tuple through ruleset # # 2 + the mailer specific recipient ruleset + ruleset 4. # # # ######################################################################## S0 # # Handle route addresses that begin with LOCAL or LOCAL.D # R<$*LOCAL$*>$-$+ $>3$4 # Change a%b<$*> to <$*>:a@b. # This form of addressing should go away as full domains are supported. # R$+%$-<$*> <$3>:$1@$2 # # Handle explicit local delivery. # # The entire prefix is treated as local user. R$+<@LOCAL$*> $#local$:$1 # # Resolve UUCP to local uucp mailer or remote one via tcp. # For tcp relay, user is full uucp route. For uucp mailer, user is # the uucp route as seen from the next host. # UUCP host names are not passed through the nameserver canonicalizer. # #R$+<@$-.UUCP> $?U$#tcp$@$U$:$1<@$2.UUCP>$|$#uucp$@$2$:<$1>$. #R<@$-.UUCP>:$+ $?U$#tcp$@$U$:<@$1.UUCP>:$2$|$#uucp$@$1$:<$2>$. #R<$->!$+ $?U$#tcp$@$U$:<$1>!$2$|$#uucp$@$1$:<$2>$. # # Canonicalize anything else which has an @focus. This excludes simple # names, which are local. # R$*<@$+>$* $:$1<@$[$2$]>$3 # # Send domain address to tcp. This includes domain literals [IP quads]. # User is full focused path. # R$*<@$+>$* $#tcp$@$2$:$1<@$2>$3 # # Remaining names must be local. # User is whatever is left. # R$+ $#local$:$1