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- Newsgroups: comp.mail.sendmail
- Path: sparky!uunet!think.com!paperboy.osf.org!rsalz
- From: rsalz@osf.org (Rich Salz)
- Subject: Re: OR (remote mode)?
- Message-ID: <1992Jul29.142537.15421@osf.org>
- Sender: news@osf.org (USENET News System)
- Organization: Open Software Foundation
- References: <1992Jul24.115200.26786@mp.cs.niu.edu> <1992Jul28.155421.20972@newsgate.sps.mot.com> <1992Jul28.205339.25825@eua.ericsson.se>
- Date: Wed, 29 Jul 1992 14:25:37 GMT
- Lines: 186
-
- >I definitely recommend using one of the minimalist sendmail.cf's for this
- >purpose that has been floating around the net instead of the OR option ...
- > ... essentially the version that Rich Salz sent out
- >on comp.mail.sendmail a while back (the smallest one I've seen so far:-),
- >and all of the problems went away.
- Since a few people have asked...
-
- ###
- ### This is a SendMail configuration file for a client who can make a TCP
- ### connection to a mail relay. No local mail happens here. SendMail is
- ### not run in daemon mode, either, just hourly out of cron to pick up
- ### anything left when the server was not reachable.
- ###
-
- ##
- ## HOSTNAME MACROS AND CLASSES
-
- ## The name of our corporate domain.
- DCbbn.com
-
- ## The official name of this host (from gethostname(2)).
- Dj$w
-
- ## The relay host where everything gets forwarded to.
- DRpineapple.bbn.com
-
- ##
- ## GENERAL CONFIGURATION INFORMATION
- ## Stuff here is required and reflects some policy decisions.
-
- ## SMTP login message.
- De$j Sendmail $v/$V ready at $b; how did you get here?
- ## Format of the UNIX from line -- essentially a constant.
- DlFrom $g $d
- ## Name to use for returned mail -- essentially a constant.
- DnMAILER-DAEMON
- ## Token delimeters -- word separators in the rewrite rules below.
- Do.:%@![]
- ## Format of a sender's address; use full name.
- Dq$x <$g>
- ## Version of this .cf file.
- DVrsalz-13-nov-89
-
- ## Location of the alias file.
- OA/usr/lib/aliases
- ## Default delivery mode (one of background, foreground, queue).
- Odbackground
- ## Permissions for any temporary files we create.
- OF0644
- ## Default group id for mailers to run under.
- Og1
- ## Location of the SMTP help file.
- OH/dev/null
- ## Logging level.
- OL9
- ## Send to sender if an alias expansion includes her (a/k/a "me too")?
- OmT
- ## Allow headers to be in old style (i.e., spaces delimit names)?
- OoT
- ## Where to send important error messages.
- OPpostmaster
- ## Location of the queue directory.
- OQ/usr/spool/mqueue
- ## Give up on connections after this long a time period.
- Or2h
- ## Queue up everything before starting transmission?
- OsT
- ## How long message can sit in queue before it's bounced back?
- OT3d
- ## Default user id for mailers to run under.
- Ou1
- ## Password to enter wizard/debug mode.
- OW*
-
- ## Message precedences.
- Pfirst-class=0
- Pspecial-delivery=100
- Pbulk=-50
- Pjunk=-100
-
- ## Trusted users -- these people can fake headers.
- Troot
-
- ## Format of headers.
- HReceived: $?sfrom $s $.by $j id <$i@$j>; $b
- HDate: $a
- HFrom: $q
- HMessage-Id: <$t.$i@$j>
- HResent-Date: $a
- HResent-From: $q
- HResent-Message-Id: <$t.$i@$j>
-
- ##
- ## REWRITING RULES
- ##
- ## These are the rules used for the following fields:
- ## From 3 -> 1 -> 4 -> 3 -> 1 -> S -> 4
- ## To 3 -> 0 -> 4
- ## From: 3 -> 1 -> 5 -> 4
- ## To: 3 -> 2 -> R -> 4
- ## where S and R stand for the mailer-specific rewrite rules named in
- ## the mailer definition.
-
-
- ##
- ## RULESET 0 -- Pick a mailer.
- S0
- R$*<$*>$* $1$2$3 defocus
- R$+ $:$>3$1 make canonical
- R$*<@[$+]>$* $#TCPrelay$@[$2]$:$1@[$2]$3 numeric internet spec
- R$*<$*.>$* $1<$2>$3 drop trailing dot
- R<@>:$* $@$>0$1 retry after route strip
- R$*<@> $@$>0$1 strip null trash & retry
- ## Machine dependent part of ruleset 0.
- ## Here is where we actually find a mailer to invoke.
- R$* $#TCPrelay$@$R$:$1 forward everything
-
-
- ##
- ## RULESET 1 -- From and From: fields.
- S1
-
-
- ##
- ## RULESET 2 -- To: field.
- S2
-
-
- ##
- ## RULESET 3 -- Basic name canonicalization.
- S3
- # Handle the SMTP "from:<>" as a special case.
- R<> $@@ turn into magic token
- # Basic textual canonicalization.
- R$*<$+>$* $2 basic RFC821/822 parsing
- R$*<$*>$* $1$2$3 in case recursive
- R$+:$*;@$+ $@$1:$2;@$3 list syntax
- R@$+,$+ $2 Ignore source routes, as
- R@$+:$+ $2 RFC-1123 suggests
- R$+@$+ $:$1<@$2> focus on domain
- R$+<$+@$+> $1$2<@$3> move gaze right
- R$+<@$+> $@$>6$1<@$2> already canonical
- # Convert old-style addresses to a domain-based address.
- R$+%$+ $@$>6$1<@$2> u%h
- R$-!$+ $@$>6$2<@$1.UUCP> resolve uucp names
-
-
- ##
- ## RULESET 4 -- Final output rewriting.
- S4
- R@ $@ handle <> error addr
- # Externalize local domain info.
- R$*<$*LOCAL>$* $1<$2$R>$3 change local info
- R$*<$+>$* $1$2$3 defocus
- R$+<@$w> $1 remove our name
- R$+@$-.UUCP $2!$1 u@h.UUCP->h!u
-
-
- ##
- ## RULESET 5 -- From: field post-processing (just before final).
- S5
-
-
- ##
- ## RULESET 6 -- Canonicalize hostname (called from ruleset 3).
- S6
- R$+<@$+.$+.UUCP> $1<@$2.$3> u@h.d.uucp->u@h.d
-
-
- ##
- ## RULESET 14 -- All fields for all mailers
- S14
-
-
- ##
- ## MAILER SPECIFICATIONS
- ##
-
- ## local; an error as we do no mail delivery here
- Mlocal, P=/usr/lib/sendmail, F=DFILMmsuX, S=14, R=14, A=sendmail $n
-
- ## prog; an error as we do no mail delivery here
- Mprog, P=/usr/lib/sendmail, F=DFILMmsuX, S=14, R=14, A=sendmail $n
-
- ## TCPrelay; connect to Sendmail on relay host.
- MTCPrelay, P=[IPC], F=DFLMmsuX, S=14, R=14, A=IPC $h, E=\r\n
-