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properly route spam messages
[etc/mailfilter.git] / procmail / defines
1 ### basic settings
2
3 SHELL=/bin/sh
4 PATH=$HOME/bin:/usr/local/bin:/usr/bin:/bin
5
6 COMSAT=no
7
8 LINEBUF=16384
9 UMASK=0077
10
11 PMVAR=$HOME/.var/procmail
12 MAILFILT=$HOME/.etc/mailfilter
13 PMRULES=$PMDIR/rules
14 CONF=$MAILFILT/config
15 REPLIES=$MAILFILT/autoreplies
16
17 LOGFILE=${LOGFILE:-$PMVAR/log}
18 LOGABSTRACT=no
19
20 LC_CTYPE=de_CH.UTF-8
21
22 #NICE='/usr/bin/nice -20'
23
24 PROCMAIL="$NICE /usr/bin/procmail -p $PMDIR/procmailrc"
25 FORMAIL="$NICE /usr/bin/formail -f"
26 EGREP="$NICE /bin/egrep"
27 SED="$NICE /bin/sed"
28 DELIVER="$NICE /usr/lib/dovecot/deliver"
29
30 CRM114="$NICE /usr/share/crm114/mailreaver.crm -u $MAILFILT/crm114/"
31 SA_PREFS="$MAILFILT/spamassassin/user_prefs"
32 SPAMASSASSIN="$NICE /usr/bin/spamassassin --prefs-file=$SA_PREFS"
33 SPAMC="$NICE /usr/bin/spamc --log-to-stderr --no-safe-fallback"
34 #SPAMC="$SPAMASSASSIN"
35 TRAINER="$MAILFILT/bin/train"
36
37 OURDATE=`date -R`
38 OURDATE_SHORT=`date +%Y.%m.%d.%H.%M.%N`
39
40 BASE=$HOME/.maildir
41
42 #DEFAULT="|$DELIVER"
43 DEFAULT=$BASE/
44 ORGMAIL=$HOME/BOUNCED-MAIL
45
46 # maximum message size for spam checking
47 SPAMCHECK_MAX_MESSAGE_SIZE=512000
48
49 # if crm114 is unsure and SA returns a score less-than-or-equal to this,
50 # autotrain crm114 with ham
51 CRM_UNSURE_SA_AUTOTRAIN_LIMIT_HAM=2.0
52 # if crm114 classifies a message as spam but SA returns a score
53 # less-than-or-equal to this, retrain crm114
54 CRM_MISCLASSIFY_SA_AUTOTRAIN_LIMIT_HAM=-1.0
55 # if crm114 is unsure and SA returns a score greater than this, autotrain
56 # crm114 with spam
57 CRM_UNSURE_SA_AUTOTRAIN_LIMIT_SPAM=8.0
58 # if crm114 classifies a message as ham but SA returns a score
59 # greate than this, retrain crm114
60 CRM_MISCLASSIFY_SA_AUTOTRAIN_LIMIT_SPAM=11
61
62 ### constants used in rules
63 NL="
64 "
65 RE_MYDOMAIN="(.+\.)*madduck\.net"
66 RE_MAILRELAYS="(seamus|clegg)\.madduck\.net"
67 RE_SPACE_NEWLINE="(^|[  ])"
68 RE_FIRSTNAME="martin($RE_SPACE_NEWLINE+f(\.?|elix))?"
69 RE_LASTNAME="kraff?t"
70 RE_EXTRACT_HEADER_VALUE="[      ]*\/[^  ].*"
71
72 DEJAVU_HEADER=X-Deja-Vu
73
74 NULL=/dev/null
75 DISCARD=$BASE/.discard/
76 #DISCARD="'|$DELIVER -m BASE.discard'"
77
78 ### variables from the message
79
80 ### local recipient data
81 # user+foobar@my.domain.org
82 # <  >                       $USER
83 #      <    >                $EXTENSION
84 # <         >                $LOCAL
85 #             <           >  $DOMAIN
86 # <                       >  $RECIPIENT
87 USER="${USER:-$LOGNAME}"
88 EXTENSION="${EXTENSION:-}"
89 LOCAL="${LOCAL:-$USER${EXTENSION:++$EXTENSION}}"
90 HOSTNAME="`hostname --fqdn`"
91 DOMAIN="${DOMAIN:-$HOSTNAME}"
92 RECIPIENT="${RECIPIENT:-$LOCAL@$DOMAIN}"
93 ID="$LOGNAME@$HOSTNAME"
94
95 # message-id
96 INCLUDERC=$PMDIR/get-msgid
97
98 # if $SENDER is undefined or not an email address, get it from the message
99 :0
100 * !SENDER ?? @
101 *$ ^Sender:$RE_EXTRACT_HEADER_VALUE
102 { SENDER="$MATCH" }
103
104 :0
105 *$ ^Date:$RE_EXTRACT_HEADER_VALUE
106 { DATE="$MATCH" }
107
108 :0
109 *$ ^From:$RE_EXTRACT_HEADER_VALUE
110 { FROM="$MATCH" }
111
112 :0
113 *$ ^Subject:$RE_EXTRACT_HEADER_VALUE
114 { SUBJECT="$MATCH" }
115
116 :0
117 *$ ^X-Original-To:$RE_EXTRACT_HEADER_VALUE
118 { ORIGINAL_TO="$MATCH" }
119 :0 E
120 { LOG="NO ORIGINAL_TO: $MSGID" }
121
122 # fix variable values for special cases
123 INCLUDERC=$PMDIR/normalise
124
125 :0
126 * ORIGINAL_TO ?? ^\/[^@]+
127 { ORIG_LOCAL="$MATCH" }
128
129 :0
130 * ORIGINAL_TO ?? .+@\/.+
131 { ORIG_DOMAIN="$MATCH" }
132
133 ### run-time variables
134
135 # MSG_DEJAVU
136 # a procmail-style flag, which is true if unset and false if set (to !).
137 # unset by dejavu if the message has already been seen by the filter (according
138 # to the X-Been-There header).
139 MSG_DEJAVU=!
140
141 # DEST
142 # set this to a folder if the message should be delivered elsewhere than the
143 # default
144 DEST
145
146 # SKIP_SPAMCHECKS
147 # if set, cuases spamchecks to be skipped, value lists reason
148 SKIP_SPAMCHECKS
149
150 # SPAMTRAPPED
151 # set by spamtrapped and eqdomains and used to bypass spamchecks and handle as
152 # spam immediately. The value identifies who unset the variable.
153 SPAMTRAPPED
154
155 # IS_SPAM
156 # if set, then the mailfilter is as sure as it gets that the message is spam.
157 # The value identifies who set the variable.
158 IS_SPAM
159
160 # SPAM_DISAGREE
161 # if set, then the various spamchecks disagree about spaminess of the mail.
162 # The value can hold additional information.
163 SPAM_DISAGREE
164
165 # SPAM_UNSURE
166 # if set, then the various spamchecks are unsure about spaminess of the mail.
167 # The value can hold additional information.
168 SPAM_UNSURE
169
170 # SPAM_UNKNOWN
171 # if set, the spamchecks were skipped. The value gives the reason for
172 # skipping.
173 SPAM_UNKNOWN
174
175 # RETRAIN
176 # if set, causes spamfilters to be retrained, according to the variable's value
177 RETRAIN
178
179 # JUSTME
180 # if set, contains reason why justme message was passed
181 JUSTME
182
183 # TRAINED_AS
184 # if set, contains category with which this message has just been trained
185 TRAINED_AS