[Tech] Aiuto !!!! Open relay in sendmail
Marco Marcantelli
kaifa_mm@tin.it
Lun 9 Dic 2002 13:00:28 CET
..... detto fatto eccovi il mio file sendmail.cf....
######################################################################
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#####
##### SENDMAIL CONFIGURATION FILE
#####
##### built by root@porky.redhat.com on Thu Oct 30 01:33:15 EST 1997
##### in /usr/src/bs/BUILD/sendmail-8.8.7/cf/cf
##### using ../ as configuration include directory
#####
######################################################################
######################################################################
##### @(#)cfhead.m4 8.9 (Berkeley) 1/18/97 #####
##### @(#)cf.m4 8.24 (Berkeley) 8/16/95 #####
##### @(#)redirect.m4 8.5 (Berkeley) 8/17/96 #####
##### @(#)always_add_domain.m4 8.1 (Berkeley) 6/7/93 #####
##### @(#)use_cw_file.m4 8.1 (Berkeley) 6/7/93 #####
##### @(#)local_procmail.m4 8.6 (Berkeley) 10/20/96 #####
##### @(#)check_mail.m4 3.3 (Claus Assmann) 1997-08-05 #####
##### @(#)use_ip.m4 1.0 (Claus Assmann) 1996-11-23 #####
##### @(#)use_names.m4 1.0 (Claus Assmann) 1996-11-23 #####
##### @(#)use_relayto.m4 1.0 (Claus Assmann) 1996-11-23 #####
##### @(#)check_rcpt4.m4 2.4 (Claus Assmann) 1997-08-28 #####
##### @(#)check_relay.m4 3.0 (Claus Assmann) 1997-06-01 #####
##### @(#)proto.m4 8.151 (Berkeley) 7/31/97 #####
# level 8 config file format
V8/Berkeley
# Alias for this host
Cw xxxxxxxxxxxxxxx
Cw localhost xxxxx.xxxxxxxxxxxx
Fw/etc/mail/sendmail.cw
# Virtual email domain
# who I masquerade as (null for no masquerading)
# Smart host
DSlocalhost
# Use this mailer to reach the Smart host
DNsmtp
# Central host for local mail
DHlocalhost
# class L: names that should be delivered locally, even if we have a relay
CLroot
# class E: names that should be exposed as from this host, even if we masquerade
CEroot
# Trust users
Troot
Tdaemon
Tuucp
# Database for special routing
# Not activated
# Restrict DNS to those domain only
CD
# operators that cannot be in local usernames (i.e., network indicators)
CO @ %
# a class with just dot (for identifying canonical names)
C..
# a class with just a left bracket (for identifying domain literals)
C[[
# dequoting map
Kdequote dequote
CPREDIRECT
######################
# Special macros #
######################
# SMTP initial login message
De$j Sendmail $v/$Z ready at $b
# UNIX initial From header format
DlFrom $g $d
# my name for error messages
DnMAILER-DAEMON
# delimiter (operator) characters
Do.:%@!^/[]
# format of a total name
Dq$?x$x <$g>$|$g$.
# Configuration version number
DZ8.8.7
# Virtual user table (maps incoming users
Kvirtuser hash /etc/mail/virtusertable
# Deliver mail only in DNS is available
#OI
# Match full user name when receiving
OGTrue
# maximum message size
#O MaxMessageSize=1000000
#O MaxRecipientsPerMessage=xxxxx
# delivery mode
O DeliveryMode=deferred
###############
# Options #
###############
# strip message body to 7 bits on input?
O SevenBitInput=False
# 8-bit data handling
O EightBitMode=pass8
# wait for alias file rebuild (default units: minutes)
O AliasWait=10
# location of alias file
O AliasFile=/etc/aliases
# minimum number of free blocks on filesystem
O MinFreeBlocks=100
# maximum message size
#O MaxMessageSize=1000000
# substitution for space (blank) characters
O BlankSub=.
# avoid connecting to "expensive" mailers on initial submission?
O HoldExpensive=True
# checkpoint queue runs after every N successful deliveries
#O CheckpointInterval=10
# automatically rebuild the alias database?
#O AutoRebuildAliases
# error message header/file
#O ErrorHeader=/etc/sendmail.oE
# error mode
#O ErrorMode=print
# save Unix-style "From_" lines at top of header?
#O SaveFromLine
# temporary file mode
O TempFileMode=0600
# match recipients against GECOS field?
#O MatchGECOS
# maximum hop count
#O MaxHopCount=17
# location of help file
O HelpFile=/usr/lib/sendmail.hf
# ignore dots as terminators in incoming messages?
#O IgnoreDots
# name resolver options
#O ResolverOptions=+AAONLY
# deliver MIME-encapsulated error messages?
O SendMimeErrors=True
# Forward file search path
O ForwardPath=$z/.forward.$w:$z/.forward
# open connection cache size
O ConnectionCacheSize=2
# open connection cache timeout
O ConnectionCacheTimeout=5m
# persistent host status directory
#O HostStatusDirectory=.hoststat
# single thread deliveries (requires HostStatusDirectory)?
#O SingleThreadDelivery
# use Errors-To: header?
O UseErrorsTo=False
# log level
O LogLevel=9
# send to me too, even in an alias expansion?
#O MeToo
# verify RHS in newaliases?
O CheckAliases=False
# default messages to old style headers if no special punctuation?
O OldStyleHeaders=True
# SMTP daemon options
#O DaemonPortOptions=Port=esmtp
# privacy flags
O PrivacyOptions=authwarnings
# who (if anyone) should get extra copies of error messages
#O PostMasterCopy=Postmaster
# slope of queue-only function
#O QueueFactor=600000
# queue directory
O QueueDirectory=/var/spool/mqueue
# timeouts (many of these)
#O Timeout.initial=5m
#O Timeout.connect=5m
#O Timeout.iconnect=5m
#O Timeout.helo=5m
#O Timeout.mail=10m
#O Timeout.rcpt=1h
#O Timeout.datainit=5m
#O Timeout.datablock=1h
#O Timeout.datafinal=1h
#O Timeout.rset=5m
#O Timeout.quit=2m
#O Timeout.misc=2m
#O Timeout.command=1h
#O Timeout.ident=30s
#O Timeout.fileopen=60s
O Timeout.queuereturn=5d
#O Timeout.queuereturn.normal=5d
#O Timeout.queuereturn.urgent=2d
#O Timeout.queuereturn.non-urgent=7d
O Timeout.queuewarn=4h
#O Timeout.queuewarn.normal=4h
#O Timeout.queuewarn.urgent=1h
#O Timeout.queuewarn.non-urgent=12h
#O Timeout.hoststatus=30m
# should we not prune routes in route-addr syntax addresses?
#O DontPruneRoutes
# queue up everything before forking?
O SuperSafe=True
# status file
O StatusFile=/var/log/sendmail.st
# time zone handling:
# if undefined, use system default
# if defined but null, use TZ envariable passed in
# if defined and non-null, use that info
#O TimeZoneSpec=
# default UID (can be username or userid:groupid)
O DefaultUser=mail:mail
# list of locations of user database file (null means no lookup)
#O UserDatabaseSpec=/etc/userdb
# fallback MX host
#O FallbackMXhost=fall.back.host.net
# if we are the best MX host for a site, try it directly instead of config
err
#O TryNullMXList
# load average at which we just queue messages
#O QueueLA=8
# load average at which we refuse connections
#O RefuseLA=12
# maximum number of children we allow at one time
#O MaxDaemonChildren=12
# maximum number of new connections per second
#O ConnectionRateThrottle=3
# work recipient factor
#O RecipientFactor=30000
# deliver each queued job in a separate process?
#O ForkEachJob
# work class factor
#O ClassFactor=1800
# work time factor
#O RetryFactor=90000
# shall we sort the queue by hostname first?
#O QueueSortOrder=priority
# minimum time in queue before retry
#O MinQueueAge=30m
# default character set
#O DefaultCharSet=iso-8859-1
# service switch file (ignored on Solaris, Ultrix, OSF/1, others)
#O ServiceSwitchFile=/etc/service.switch
# hosts file (normally /etc/hosts)
#O HostsFile=/etc/hosts
# dialup line delay on connection failure
#O DialDelay=10s
# action to take if there are no recipients in the message
#O NoRecipientAction=add-to-undisclosed
# chrooted environment for writing to files
#O SafeFileEnvironment=/arch
# are colons OK in addresses?
#O ColonOkInAddr
# how many jobs can you process in the queue?
#O MaxQueueRunSize=10000
# shall I avoid expanding CNAMEs (violates protocols)?
#O DontExpandCnames
# SMTP initial login message (old $e macro)
O SmtpGreetingMessage=$j Sendmail $v/$Z; $b
# UNIX initial From header format (old $l macro)
O UnixFromLine=From $g $d
# delimiter (operator) characters (old $o macro)
O OperatorChars=.:%@!^/[]+
# shall I avoid calling initgroups(3) because of high NIS costs?
#O DontInitGroups
# are group-writable :include: and .forward files (un)trustworthy?
#O UnsafeGroupWrites
# where do errors that occur when sending errors get sent?
#O DoubleBounceAddress
# what user id do we assume for the majority of the processing?
#O RunAsUser=sendmail
###########################
# Message precedences #
###########################
Pfirst-class=0
Pspecial-delivery=100
Plist=-30
Pbulk=-60
Pjunk=-100
#####################
# Trusted users #
#####################
# this is equivalent to setting class "t"
#Ft/etc/sendmail.ct
Troot
Tdaemon
Tuucp
#########################
# Format of headers #
#########################
H?P?Return-Path: <$g>
HReceived: $?sfrom $s $.$?_($?s$|from $.$_)
$.by $j ($v/$Z)$?r with $r$. id $i$?u
for $u; $|;
$.$b
H?D?Resent-Date: $a
H?D?Date: $a
H?F?Resent-From: $?x$x <$g>$|$g$.
H?F?From: $?x$x <$g>$|$g$.
H?x?Full-Name: $x
# HPosted-Date: $a
# H?l?Received-Date: $b
H?M?Resent-Message-Id: <$t.$i@$j>
H?M?Message-Id: <$t.$i@$j>
##################################################
### Ruleset 4 -- Final Output Post-rewriting ###
##################################################
S4
R$* <@> $@ handle <> and list:;
# strip trailing dot off possibly canonical name
R$* < @ $+ . > $* $1 < @ $2 > $3
# eliminate internal code -- should never get this far!
R$* < @ *LOCAL* > $* $1 < @ $j > $2
# externalize local domain info
R$* < $+ > $* $1 $2 $3 defocus
R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical
R@ $* $@ @ $1 ... and exit
# UUCP must always be presented in old form
R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u
# delete duplicate local names
R$+ % $=w @ $=w $1 @ $2 u%host@host => u@host
##############################################################
### Ruleset 97 -- recanonicalize and call ruleset zero ###
### (used for recursive calls) ###
##############################################################
S97
R$* $: $>3 $1
R$* $@ $>0 $1
###########################################################################
### Ruleset 5 -- special rewriting after aliases have been expanded
###
###########################################################################
S5
# deal with plussed users so aliases work nicely
R$+ + * $#local $@ $&h $: $1
R$+ + $* $#local $@ + $2 $: $1 + *
# prepend an empty "forward host" on the front
R$+ $: <> $1
# send unrecognized local users to a relay host
#R< > $+ $: < $L . > $( user $1 $) look up user
#R< $* > $+ <> $* $: < > $2 $3 found; strip $L
#R< $* . > $+ $: < $1 > $2 strip extra dot
# see if we have a relay or a hub
R< > $+ $: < $H > $1 try hub
R< > $+ $: < $R > $1 try relay
R< > $+ $: < > < $1 $(dequote "" $&h $) > nope, restore +detail
R< > < $+ + $* > $* < > < $1 > + $2 $3 find the user part
R< > < $+ > + $* $#local $@ $2 $: @ $1 strip the extra +
R< > < $+ > $@ $1 no +detail
R$+ $: $1 $(dequote "" $&h $) add +detail back in
R< local : $* > $* $: $>95 < local : $1 > $2 no host extension
R< error : $* > $* $: $>95 < error : $1 > $2 no host extension
R< $- : $+ > $+ $: $>95 < $1 : $2 > $3 < @ $2 >
R< $+ > $+ $@ $>95 < $1 > $2 < @ $1 >
###################################################################
### Ruleset 90 -- try domain part of mailertable entry ###
###################################################################
###################################################################
### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ###
###################################################################
S95
R< > $* $@ $1 strip off null relay
R< error : $- $+ > $* $#error $@ $( dequote $1 $) $: $2
R< local : $* > $* $>CanonLocal < $1 > $2
R< $- : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user
R< $- : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer
R< $=w > $* $@ $2 delete local host
R< $+ > $* $#$N $@ $1 $: $2 use unqualified mailer
###################################################################
### Ruleset CanonLocal -- canonify local: syntax ###
###################################################################
SCanonLocal
# strip trailing dot from any host name that may appear
R< $* > $* < @ $* . > $: < $1 > $2 < @ $3 >
# handle local: syntax -- use old user, either with or without host
R< > $* < @ $* > $* $#local $@ $1@$2 $: $1
R< > $+ $#local $@ $1 $: $1
# handle local:user@host syntax -- ignore host part
R< $+ @ $+ > $* < @ $* > $: < $1 > $3 < @ $4 >
# handle local:user syntax
R< $+ > $* <@ $* > $* $#local $@ $2@$3 $: $1
R< $+ > $* $#local $@ $2 $: $1
###################################################################
### Ruleset 93 -- convert header names to masqueraded form ###
###################################################################
S93
# handle generics database
#R$+ < @ $=G . > $: < $1@$2 > $1 < @ $2 . > @ mark
#R$+ < @ *LOCAL* > $: < $1@$j > $1 < @ *LOCAL* > @ mark
#R< $+ > $+ < $* > @ $: < $(generics $1 $: $) > $2 < $3 >
#R< > $+ < @ $+ > $: < $(generics $1 $: $) > $1 < @ $2 >
#R< $* @ $* > $* < $* > $@ $>3 $1 @ $2 found qualified
#R< $+ > $* < $* > $: $>3 $1 @ *LOCAL* found unqualified
#R< > $* $: $1 not found
# special case the users that should be exposed
R$=E < @ *LOCAL* > $@ $1 < @ $j . > leave exposed
R$=E < @ $=M . > $@ $1 < @ $2 . >
R$=E < @ $=w . > $@ $1 < @ $2 . >
# handle domain-specific masquerading
R$* < @ $=M . > $* $: $1 < @ $2 . @ $M > $3 convert masqueraded doms
R$* < @ $=w . > $* $: $1 < @ $2 . @ $M > $3
R$* < @ *LOCAL* > $* $: $1 < @ $j . @ $M > $2
R$* < @ $+ @ > $* $: $1 < @ $2 > $3 $M is null
R$* < @ $+ @ $+ > $* $: $1 < @ $3 . > $4 $M is not null
###################################################################
### Ruleset 94 -- convert envelope names to masqueraded form ###
###################################################################
S94
#R$+ $@ $>93 $1
R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2
###################################################################
### Ruleset 98 -- local part of ruleset zero (can be null) ###
###################################################################
S98
# addresses sent to foo@host.REDIRECT will give a 551 error code
R$* < @ $+ .REDIRECT. > $: $1 < @ $2 . REDIRECT . > < ${opMode} >
R$* < @ $+ .REDIRECT. > <i> $: $1 < @ $2 . REDIRECT. >
R$* < @ $+ .REDIRECT. > < $- > $# error $@ 5.1.1 $: "551 User has moved;
please try " <$1@$2>
Scheck_mail
# don't check these
R<$*@$=w> $@ ok shortcut
# idea from Steven Schultz
R<> $: <$n @ $(dequote "" $&{client_name} $) >
# remove at least the dot...
R<$*@$*.> <$1@$2>
R$* $: $>3 $1 canonify
R$- $@ ok
# no host without a . in the FQHN ?
R$*<@$->$* $#error $@ 5.1.8 $: 551 invalid host name $2, check your configuration.
# lookup IP address (reverse mapping available?)
#R$*<@[$-.$-.$-.$-]>$* $: $1 < @ $[ [ $2.$3.$4.$5 ] $] > $6
# copy the result of the lookup
R$* $:$1 $| $1
# now remove the dot
R$* $| $*<@$*.>$* $: $1 $| $2<@$3>$4
# and check the database
R$* $| $*<@$*>$* $: $1 $| $>junk $2<@$3>
# match: return given error code (rhs of map)
R$* $| $*<@$*@JUNK>$* $#error $@ 5.7.1 $: $3
# restore original value (after canonicalization by ruleset 3)
R$* $| $* $: $1
# this is dangerous! no real name
# (see RFC 1123,sections 5.2.2 and 5.2.18)
#R$*<@$*$~P>$* $#error $@ 4.1.8 $: 451 unresolvable host name $2$3, check
your setup.
#
# Envelope sender rewriting
#
S10
R<@> $n errors to mailer-daemon
R$+ $: $>50 $1 add local domain if needed
R$* $: $>94 $1 do masquerading
#
# Envelope recipient rewriting
#
S20
R$+ < @ $* > $: $1 strip host part
#
# Header sender rewriting
#
S30
R<@> $n errors to mailer-daemon
R$+ $: $>50 $1 add local domain if needed
R$* $: $>93 $1 do masquerading
#
# Header recipient rewriting
#
S40
R$+ $: $>50 $1 add local domain if needed
#R$* $: $>93 $1 do all-masquerading
#
# Common code to add local domain name (only if always-add-domain)
#
S50
R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified
R$+ $@ $1 < @ *LOCAL* > add local qualification
#
# envelope sender rewriting
#
S11
R$+ $: $>51 $1 sender/recipient common
R$* :; <@> $@ list:; special case
R$* $: $>61 $1 qualify unqual'ed names
R$+ $: $>94 $1 do masquerading
#
# envelope recipient rewriting --
# also header recipient if not masquerading recipients
#
S21
R$+ $: $>51 $1 sender/recipient common
R$+ $: $>61 $1 qualify unqual'ed names
#
# header sender and masquerading header recipient rewriting
#
S31
R$+ $: $>51 $1 sender/recipient common
R:; <@> $@ list:; special case
# do special header rewriting
R$* <@> $* $@ $1 <@> $2 pass null host through
R< @ $* > $* $@ < @ $1 > $2 pass route-addr through
R$* $: $>61 $1 qualify unqual'ed names
R$+ $: $>93 $1 do masquerading
#
# convert pseudo-domain addresses to real domain addresses
#
S51
# pass <route-addr>s through
R< @ $+ > $* $@ < @ $1 > $2 resolve <route-addr>
# output fake domains as user%fake@relay
# do UUCP heuristics; note that these are shared with UUCP mailers
R$+ < @ $+ .UUCP. > $: < $2 ! > $1 convert to UUCP form
R$+ < @ $* > $* $@ $1 < @ $2 > $3 not UUCP form
# leave these in .UUCP form to avoid further tampering
R< $&h ! > $- ! $+ $@ $2 < @ $1 .UUCP. >
R< $&h ! > $-.$+ ! $+ $@ $3 < @ $1.$2 >
R< $&h ! > $+ $@ $1 < @ $&h .UUCP. >
R< $+ ! > $+ $: $1 ! $2 < @ $Y > use UUCP_RELAY
R$+ < @ $+ : $+ > $@ $1 < @ $3 > strip mailer: part
R$+ < @ > $: $1 < @ *LOCAL* > if no UUCP_RELAY
#
# common sender and masquerading recipient rewriting
#
S61
R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified
R$+ $@ $1 < @ *LOCAL* > add local qualification
#
# relay mailer header masquerading recipient rewriting
#
S71
R$+ $: $>61 $1
R$+ $: $>93 $1
#Empty junk rule
Sjunk
SjunkIP
######################################
### Ruleset 0 -- Parse Address ###
######################################
S0
# Complex routing is appended here, followed by normal remote routing
# Complex user routing end here
# Virtual domain routing
R$*<@$=V> $#virtual $@ $2 $: $1
R$*<@$=V.> $#virtual $@ $2 $: $1
R$* $: $>Parse0 $1 initial parsing
R$* $: $>98 $1 handle local hacks
R$* $: $>Parse1 $1 final parsing
#
# Parse0 -- do initial syntax checking and eliminate local addresses.
# This should either return with the (possibly modified) input
# or return with a #error mailer. It should not return with a
# #mailer other than the #error mailer.
#
SParse0
R<@> $@ <@> special case error msgs
R$* : $* ; <@> $#error $@ 5.1.3 $: "List:; syntax illegal for recipient
addresses"
#R@ <@ $* > < @ $1 > catch "@@host" bogosity
R<@ $+> $#error $@ 5.1.3 $: "User address required"
R$* $: <> $1
R<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3
R<> $* <$* : $* > $* $#error $@ 5.1.3 $: "Colon illegal in host name part"
R<> $* $1
R$* < @ . $* > $* $#error $@ 5.1.2 $: "Invalid host name"
R$* < @ $* .. $* > $* $#error $@ 5.1.2 $: "Invalid host name"
# handle numeric address spec
R$* < @ [ $+ ] > $* $: $>98 $1 < @ [ $2 ] > $3 numeric internet spec
R$* < @ [ $+ ] > $* $#esmtp $@ [$2] $: $1 < @ [$2] > $3 still numeric: send
# now delete the local info -- note $=O to find characters that cause forwarding
R$* < @ > $* $@ $>Parse0 $>3 $1 user@ => user
# now delete the local info -- note $=O to find characters that cause forwarding
R$* < @ > $* $@ $>Parse0 $>3 $1 user@ => user
R< @ $=w . > : $* $@ $>Parse0 $>3 $2 @here:... -> ...
R$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here
R< @ $+ > $#error $@ 5.1.3 $: "User address required"
R$* $=O $* < @ $=w . > $@ $>Parse0 $>3 $1 $2 $3 ...@here -> ...
R$- $: $(dequote $1 $) < @ *LOCAL* > dequote "foo"
R< @ *LOCAL* > $#error $@ 5.1.3 $: "User address required"
R$* $=O $* < @ *LOCAL* >
$@ $>Parse0 $>3 $1 $2 $3 ...@*LOCAL* -> ...
R$* < @ *LOCAL* > $: $1
SParse1
# handle virtual users
R$+ < @ $=w . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
R<@> $+ + $* < @ $* . >
$: < $(virtuser $1 + * @ $3 $@ $1 $: @ $) > $1 + $2 < @ $3 . >
R<@> $+ + $* < @ $* . >
$: < $(virtuser $1 @ $3 $@ $1 $: @ $) > $1 + $2 < @ $3 . >
R<@> $+ < @ $+ . > $: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
R<@> $+ $: $1
R< error : $- $+ > $* $#error $@ $( dequote $1 $) $: $2
R< $+ > $+ < @ $+ > $: $>97 $1
# short circuit local delivery so forwarded email works
#R$+ . USENET < @ $=w . > $#usenet $: $1 handle usenet specially
R$=L < @ $=w . > $#local $: @ $1 special local names
R$+ < @ $=w . > $#local $: $1 regular local name
# resolve remotely connected UUCP links (if any)
# resolve fake top level domains by forwarding to other hosts
# pass names that still have a host to a smarthost (if defined)
R$* < @ $* > $* $: $>95 < $S > $1 < @ $2 > $3 glue on smarthost name
# deal with other remote names
R$* < @$* > $* $#esmtp $@ $2 $: $1 < @ $2 > $3 user@host.domain
# if this is quoted, strip the quotes and try again
R$+ $: $(dequote $1 $) strip quotes
R$+ $=O $+ $@ $>97 $1 $2 $3 try again
# handle locally delivered names
R$=L $#local $: @ $1 special local names
R$+ $#local $: $1 regular local names
############################################
### Ruleset 3 -- Name Canonicalization ###
############################################
S3
# handle null input (translate to <@> special case)
R$@ $@ <@>
# strip group: syntax (not inside angle brackets!) and trailing semicolon
R$* $: $1 <@> mark addresses
R$* < $* > $* <@> $: $1 < $2 > $3 unmark <addr>
R@ $* <@> $: @ $1 unmark @host:...
R$* :: $* <@> $: $1 :: $2 unmark node::addr
R:include: $* <@> $: :include: $1 unmark :include:...
R$* [ $* : $* ] <@> $: $1 [ $2 : $3 ] unmark IPv6 addrs
R$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon
R$* : $* <@> $: $2 strip colon if marked
R$* <@> $: $1 unmark
R$* ; $1 strip trailing semi
R$* < $* ; > $1 < $2 > bogus bracketed semi
# null input now results from list:; syntax
R$@ $@ :; <@>
# strip angle brackets -- note RFC733 heuristic to get innermost item
R$* $: < $1 > housekeeping <>
R$+ < $* > < $2 > strip excess on left
R< $* > $+ < $1 > strip excess on right
R<> $@ < @ > MAIL FROM:<> case
R< $+ > $: $1 remove housekeeping <>
# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later
R@ $+ , $+ @ $1 : $2 change all "," to ":"
# localize and dispose of route-based addresses
R@ $+ : $+ $@ $>96 < @$1 > : $2 handle <route-addr>
# find focus for list syntax
R $+ : $* ; @ $+ $@ $>96 $1 : $2 ; < @ $3 > list syntax
R $+ : $* ; $@ $1 : $2; list syntax
# find focus for @ syntax addresses
R$+ @ $+ $: $1 < @ $2 > focus on domain
R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right
R$+ < @ $+ > $@ $>96 $1 < @ $2 > already canonical
# do some sanity checking
R$* < @ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs
# convert old-style addresses to a domain-based address
R$- ! $+ $@ $>96 $2 < @ $1 .UUCP > resolve uucp names
R$+ . $- ! $+ $@ $>96 $3 < @ $1 . $2 > domain uucps
R$+ ! $+ $@ $>96 $2 < @ $1 .UUCP > uucp subdomains
# if we have % signs, take the rightmost one
R$* % $* $1 @ $2 First make them all @s.
R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last.
R$* @ $* $@ $>96 $1 < @ $2 > Insert < > and finish
# else we must be a local name
R$* $@ $>96 $1
### Do not use the DNS at all
################################################
### Ruleset 96 -- bottom half of ruleset 3 ###
################################################
# At this point, everything should be in a "local_part<@domain>extra" format.
S96
# handle special cases for local names
R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all
R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain
R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [a.b.c.d]
R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal
R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr
# pass to name server to make hostname canonical
# R$* < @ $* $~P > $* $: $1 < @ $[ $2 $3 $] > $4
# local host aliases and pseudo-domains are always canonical
R$* < @ $=w > $* $: $1 < @ $2 . > $3
R$* < @ $=V > $* $: $1 < @ $2 . > $3
R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4
R$* < @ $* . . > $* $1 < @ $2 . > $3
# if this is the local hostname, make sure we treat is as canonical
R$* < @ $j > $* $: $1 < @ $j . > $2
Mlocal, P=/usr/bin/procmail, F=lsDFMAw5:/|@qSPfhn9, S=10/30, R=20/40,
T=DNS/RFC822/X-Unix,
A=procmail -Y -a $h -d $u
Mprog, P=/bin/sh, F=lsDFMoqu9, S=10/30, R=20/40, D=$z:/,
T=X-Unix,
A=sh -c $u
# Special mailer for virtual email domain hosting
Mvirtual, P=/usr/lib/linuxconf/lib/vdeliver, F=lsDFMShP, S=10, R=20/40,
A=vdeliver $u $h
Mfax, P=/usr/lib/linuxconf/lib/mail2fax, F=lsDFMShP, S=10, R=20/40,
A=mail2fax $u $h
#####################################
### UUCP Mailer specification ###
#####################################
##### @(#)uucp.m4 8.16 (Berkeley) 4/14/94 #####
#
# There are innumerable variations on the UUCP mailer. It really
# is rather absurd.
#
# old UUCP mailer (two names)
Muucp, P=/usr/bin/uux, F=DFMhuU, S=12, R=22/42, M=200000,
A=uux - -a$f -gC $h!rmail ($u)
Muucp-old, P=/usr/bin/uux, F=DFMhuU, S=12, R=22/42, M=200000,
A=uux - -a$f -gC $h!rmail ($u)
# smart UUCP mailer (handles multiple addresses) (two names)
Msuucp, P=/usr/bin/uux, F=mDFMhuU, S=12, R=22/42, M=200000,
A=uux - -a$f -gC $h!rmail ($u)
Muucp-new, P=/usr/bin/uux, F=mDFMhuU, S=12, R=22/42, M=200000,
A=uux - -a$f -gC $h!rmail ($u)
# domain-ized UUCP mailer
Muucp-dom, P=/usr/bin/uux, F=mDFMhu, S=52/31, R=21, M=200000,
A=uux - -a$f -gC $h!rmail ($u)
# domain-ized UUCP mailer with UUCP-style sender envelope
Muucp-uudom, P=/usr/bin/uux, F=mDFMhu, S=72/31, R=21, M=200000,
A=uux - -a$f -gC $h!rmail ($u)
#####################################
### SMTP Mailer specification ###
#####################################
##### @(#)smtp.m4 8.33 (Berkeley) 7/9/96 #####
Msmtp, P=[IPC], F=mDFMuX, S=11/31, R=21, E=\r\n, L=990,
T=DNS/RFC822/SMTP,
A=IPC $h
Mesmtp, P=[IPC], F=mDFMuXa, S=11/31, R=21, E=\r\n, L=990,
T=DNS/RFC822/SMTP,
A=IPC $h
Msmtp8, P=[IPC], F=mDFMuX8, S=11/31, R=21, E=\r\n, L=990,
T=DNS/RFC822/SMTP,
A=IPC $h
Mrelay, P=[IPC], F=mDFMuXa8, S=11/31, R=61, E=\r\n, L=2040,
T=DNS/RFC822/SMTP,
A=IPC $h
# Same as esmtp, but set as expensive
Mesmtprem, P=[IPC], F=emDFMuXa, S=11/31, R=21, E=\r\n, L=990,
T=DNS/RFC822/SMTP,
A=IPC $h
------------------------------------------------------------------
>-- Messaggio originale --
>From: "g.vieri" <g.vieri@tiscalinet.it>
>To: tech@firenze.linux.it
>Subject: Re: [Tech] Aiuto !!!! Open relay in sendmail
>Reply-To: tech@firenze.linux.it
>Date: Mon, 9 Dec 2002 12:32:26 +0100
>
>
>On Monday 09 December 2002 10:21 am, Marco Marcantelli wrote:
>> Salve,
>>
>> allora..... innanzi tutto grazie per i preziosi consigli...
>>
>> in effetti avevo il relay aperto, pero' togliendolo (ovvero eliminando
>le
>> righe dal sendmail.cf) non ho ottenuto nessun risultato. Ho scaricato
un
>> programmetto perl di Paul Ewing (rlytest) il quale mi dice che il relay
>> e' ancora aperto. dov'e' che sbaglio ??
>>
>> Allego le righe di sendmail.cf che ho tolto....
>>
>> Ps. Scusate per il quoting.... e grazie...
>>
>[..snip..]
>Ciao
>eventualmente se togli le personalizzazioni (ip nome dominio etc) e lo
>spedisci x intero...
>E possiamo lo troviamo il buco...
>Ciao
>_______________________________________________
>FLUG - Discussioni tecniche - tech@firenze.linux.it
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