4
# Debian suggests that any changes you need to do that should never
5
# be "updated" by the Debian package should be made in another file,
6
# overriding the settings in this file.
8
# The package will *not* overwrite your settings, but by keeping
9
# them separate, you will make the task of merging changes on these
10
# configuration files much simpler...
12
# see /usr/share/doc/amavisd-new/examples/amavisd.conf-default for
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# a list of all variables with their defaults;
14
# see /usr/share/doc/amavisd-new/examples/amavisd.conf-sample for
15
# a traditional-style commented file
16
# [note: the above files were not converted to Debian settings!]
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# for more details see documentation in /usr/share/doc/amavisd-new
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# and at http://www.ijs.si/software/amavisd/amavisd-new-docs.html
21
$QUARANTINEDIR = "$MYHOME/virusmails";
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$log_recip_templ = undef; # disable by-recipient level-0 log entries
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$DO_SYSLOG = 1; # log via syslogd (preferred)
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$syslog_ident = 'amavis'; # syslog ident tag, prepended to all messages
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$syslog_facility = 'mail';
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$syslog_priority = 'debug'; # switch to info to drop debug output, etc
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$enable_db = 1; # enable use of BerkeleyDB/libdb (SNMP and nanny)
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$enable_global_cache = 1; # enable use of libdb-based cache if $enable_db=1
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$inet_socket_port = 10024; # default listenting socket
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$sa_spam_subject_tag = '***SPAM*** ';
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$sa_tag_level_deflt = 2.0; # add spam info headers if at, or above that level
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$sa_tag2_level_deflt = 6.31; # add 'spam detected' headers at that level
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$sa_kill_level_deflt = 6.31; # triggers spam evasive actions
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$sa_dsn_cutoff_level = 10; # spam level beyond which a DSN is not sent
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$sa_mail_body_size_limit = 200*1024; # don't waste time on SA if mail is larger
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$sa_local_tests_only = 0; # only tests which do not require internet access?
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# Quota limits to avoid bombs (like 42.zip)
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$MIN_EXPANSION_QUOTA = 100*1024; # bytes
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$MAX_EXPANSION_QUOTA = 300*1024*1024; # bytes
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# Use D_DISCARD to discard data (viruses)
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# Use D_BOUNCE to generate local bounces by amavisd-new
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# Use D_REJECT to generate local or remote bounces by the calling MTA
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# Use D_PASS to deliver the message
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# Whatever you do, *NEVER* use D_REJECT if you have other MTAs *forwarding*
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# mail to your account. Use D_BOUNCE instead, otherwise you are delegating
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# the bounce work to your friendly forwarders, which might not like it at all.
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# On dual-MTA setups, one can often D_REJECT, as this just makes your own
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# MTA generate the bounce message. Test it first.
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# Bouncing viruses is stupid, always discard them after you are sure the AV
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# is working correctly. Bouncing real SPAM is also useless, if you cannot
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# D_REJECT it (and don't D_REJECT mail coming from your forwarders!).
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$final_virus_destiny = D_DISCARD; # (data not lost, see virus quarantine)
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$final_banned_destiny = D_BOUNCE; # D_REJECT when front-end MTA
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$final_spam_destiny = D_BOUNCE;
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$final_bad_header_destiny = D_PASS; # False-positive prone (for spam)
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$virus_admin = "postmaster\@$mydomain"; # due to D_DISCARD default
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# Leave empty (undef) to add no header
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$X_HEADER_LINE = "Debian $myproduct_name at $mydomain";
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# REMAINING IMPORTANT VARIABLES ARE LISTED HERE BECAUSE OF LONGER ASSIGNMENTS
80
# DO NOT SEND VIRUS NOTIFICATIONS TO OUTSIDE OF YOUR DOMAIN. EVER.
82
# These days, almost all viruses fake the envelope sender and mail headers.
83
# Therefore, "virus notifications" became nothing but undesired, aggravating
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# SPAM. This holds true even inside one's domain. We disable them all by
85
# default, except for the EICAR test pattern.
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@viruses_that_fake_sender_maps = (new_RE(
89
[qr'\bEICAR\b'i => 0], # av test pattern name
90
[qr/.*/ => 1], # true for everything else
93
@keep_decoded_original_maps = (new_RE(
94
# qr'^MAIL$', # retain full original message for virus checking (can be slow)
95
qr'^MAIL-UNDECIPHERABLE$', # recheck full mail if it contains undecipherables
96
qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)'i,
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# qr'^Zip archive data', # don't trust Archive::Zip
101
# for $banned_namepath_re, a new-style of banned table, see amavisd.conf-sample
103
$banned_filename_re = new_RE(
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# qr'^UNDECIPHERABLE$', # is or contains any undecipherable components
106
# block certain double extensions anywhere in the base name
107
qr'\.[^./]*\.(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)\.?$'i,
109
qr'\{[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}\}?'i, # Windows Class ID CLSID, strict
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qr'^application/x-msdownload$'i, # block these MIME types
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qr'^application/x-msdos-program$'i,
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qr'^application/hta$'i,
115
# qr'^application/x-msmetafile$'i, # Windows Metafile MIME type
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# qr'^\.wmf$', # Windows Metafile file(1) type
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# qr'^message/partial$'i, qr'^message/external-body$'i, # rfc2046 MIME types
120
# [ qr'^\.(Z|gz|bz2)$' => 0 ], # allow any in Unix-compressed
121
# [ qr'^\.(rpm|cpio|tar)$' => 0 ], # allow any in Unix-type archives
122
# [ qr'^\.(zip|rar|arc|arj|zoo)$'=> 0 ], # allow any within such archives
124
qr'.\.(exe|vbs|pif|scr|bat|cmd|com|cpl)$'i, # banned extension - basic
125
# qr'.\.(ade|adp|app|bas|bat|chm|cmd|com|cpl|crt|emf|exe|fxp|grp|hlp|hta|
126
# inf|ins|isp|js|jse|lnk|mda|mdb|mde|mdw|mdt|mdz|msc|msi|msp|mst|
127
# ops|pcd|pif|prg|reg|scr|sct|shb|shs|vb|vbe|vbs|
128
# wmf|wsc|wsf|wsh)$'ix, # banned ext - long
130
# qr'.\.(mim|b64|bhx|hqx|xxe|uu|uue)$'i, # banned extension - WinZip vulnerab.
132
qr'^\.(exe-ms)$', # banned file(1) types
133
# qr'^\.(exe|lha|tnef|cab|dll)$', # banned file(1) types
135
# See http://support.microsoft.com/default.aspx?scid=kb;EN-US;q262631
136
# and http://www.cknow.com/vtutor/vtextensions.htm
139
# ENVELOPE SENDER SOFT-WHITELISTING / SOFT-BLACKLISTING
141
@score_sender_maps = ({ # a by-recipient hash lookup table,
142
# results from all matching recipient tables are summed
144
# ## per-recipient personal tables (NOTE: positive: black, negative: white)
145
# 'user1@example.com' => [{'bla-mobile.press@example.com' => 10.0}],
146
# 'user3@example.com' => [{'.ebay.com' => -3.0}],
147
# 'user4@example.com' => [{'cleargreen@cleargreen.com' => -7.0,
148
# '.cleargreen.com' => -5.0}],
150
## site-wide opinions about senders (the '.' matches any recipient)
151
'.' => [ # the _first_ matching sender determines the score boost
153
new_RE( # regexp-type lookup table, just happens to be all soft-blacklist
154
[qr'^(bulkmail|offers|cheapbenefits|earnmoney|foryou)@'i => 5.0],
155
[qr'^(greatcasino|investments|lose_weight_today|market\.alert)@'i=> 5.0],
156
[qr'^(money2you|MyGreenCard|new\.tld\.registry|opt-out|opt-in)@'i=> 5.0],
157
[qr'^(optin|saveonlsmoking2002k|specialoffer|specialoffers)@'i => 5.0],
158
[qr'^(stockalert|stopsnoring|wantsome|workathome|yesitsfree)@'i => 5.0],
159
[qr'^(your_friend|greatoffers)@'i => 5.0],
160
[qr'^(inkjetplanet|marketopt|MakeMoney)\d*@'i => 5.0],
163
# read_hash("/var/amavis/sender_scores_sitewide"),
165
{ # a hash-type lookup table (associative array)
166
'nobody@cert.org' => -3.0,
167
'cert-advisory@us-cert.gov' => -3.0,
168
'owner-alert@iss.net' => -3.0,
169
'slashdot@slashdot.org' => -3.0,
170
'securityfocus.com' => -3.0,
171
'ntbugtraq@listserv.ntbugtraq.com' => -3.0,
172
'security-alerts@linuxsecurity.com' => -3.0,
173
'mailman-announce-admin@python.org' => -3.0,
174
'amavis-user-admin@lists.sourceforge.net'=> -3.0,
175
'amavis-user-bounces@lists.sourceforge.net' => -3.0,
176
'spamassassin.apache.org' => -3.0,
177
'notification-return@lists.sophos.com' => -3.0,
178
'owner-postfix-users@postfix.org' => -3.0,
179
'owner-postfix-announce@postfix.org' => -3.0,
180
'owner-sendmail-announce@lists.sendmail.org' => -3.0,
181
'sendmail-announce-request@lists.sendmail.org' => -3.0,
182
'donotreply@sendmail.org' => -3.0,
183
'ca+envelope@sendmail.org' => -3.0,
184
'noreply@freshmeat.net' => -3.0,
185
'owner-technews@postel.acm.org' => -3.0,
186
'ietf-123-owner@loki.ietf.org' => -3.0,
187
'cvs-commits-list-admin@gnome.org' => -3.0,
188
'rt-users-admin@lists.fsck.com' => -3.0,
189
'clp-request@comp.nus.edu.sg' => -3.0,
190
'surveys-errors@lists.nua.ie' => -3.0,
191
'emailnews@genomeweb.com' => -5.0,
192
'yahoo-dev-null@yahoo-inc.com' => -3.0,
193
'returns.groups.yahoo.com' => -3.0,
194
'clusternews@linuxnetworx.com' => -3.0,
195
lc('lvs-users-admin@LinuxVirtualServer.org') => -3.0,
196
lc('owner-textbreakingnews@CNNIMAIL12.CNN.COM') => -5.0,
198
# soft-blacklisting (positive score)
199
'sender@example.net' => 3.0,
200
'.example.net' => 1.0,
203
], # end of site-wide tables
206
1; # insure a defined return