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| use strict;
#Sections:
# Section I - Essential daemon and MTA settings
# Section II - MTA specific
# Section III - Logging
# Section IV - Notifications/DSN, BOUNCE/REJECT/DROP/PASS destiny, quarantine
# Section V - Per-recipient and per-sender handling, whitelisting, etc.
# Section VI - Resource limits
# Section VII - External programs, virus scanners, SpamAssassin
# Section VIII - Debugging
#
# Section I - Essential daemon and MTA settings
#
$MYHOME = '/var/lib/amavis'; # (default is '/var/amavis')
$mydomain = 'sturkel.homeip.net'; # (no useful default)
$daemon_user = 'amavis'; # (no default (undef))
$daemon_group = 'amavis'; # (no default (undef))
$TEMPBASE = "$MYHOME/tmp"; # prefer to keep home dir /var/amavis clean?
$pid_file = "/var/run/amavis/amavisd.pid"; # (default: "$MYHOME/amavisd.pid")
$lock_file = "/var/run/amavis/amavisd.lock"; # (default: "$MYHOME/amavisd.lock")
$ENV{TMPDIR} = $TEMPBASE; # wise to set TMPDIR, but not obligatory
$forward_method = 'smtp:127.0.0.1:10025'; # where to forward checked mail
$notify_method = $forward_method; # where to submit notifications
$max_servers = 4; # This should match the smtp/maxproc in the postfix master.cf
$max_requests = 10; # retire a child after that many accepts (default 10)
$child_timeout=20*60; # abort child if it does not complete each task in n sec
@local_domains_acl = ( ".$mydomain" ); # $mydomain and its subdomains
#
# Section II - MTA specific (defaults should be ok)
#
$relayhost_is_client = 0; # (defaults to false)
$insert_received_line = 1; # behave like MTA: insert 'Received:' header
# (does not apply to sendmail/milter)
# (default is true (1) )
$unix_socketname = undef; # disable listening on a unix socket
$inet_socket_port = 10024; # accept SMTP on this local TCP port
# (default is undef, i.e. disabled)
$inet_socket_bind = '127.0.0.1'; # limit socket bind to loopback interface
# (default is '127.0.0.1')
@inet_acl = qw( 127.0.0.1 ); # allow SMTP access only from localhost IP
# (default is qw( 127.0.0.1 ) )
$DO_SYSLOG = 1; # (defaults to false)
$LOGFILE = '/var/log/amavis.log'; # (defaults to empty, no log)
$log_level = 5; # (defaults to 0)
# log both infected and noninfected messages (default):
$log_templ = '[? %#V |[? %#F |[?%#D|Not-Delivered|Passed]|BANNED name/type (%F)]|INFECTED (%V)], #
[?%o|(?)|<%o>] -> [<%R>|,][? %i ||, quarantine %i], Message-ID: %m, Hits: %c';
read_l10n_templates('en_US', '/etc/amavis');
$final_virus_destiny = D_DISCARD; # (defaults to D_BOUNCE)
$final_banned_destiny = D_DISCARD; # (defaults to D_BOUNCE)
$final_spam_destiny = D_BOUNCE; # (defaults to D_REJECT)
$final_bad_header_destiny = D_PASS; # (defaults to D_PASS), D_BOUNCE suggested
$viruses_that_fake_sender_re = new_RE(
qr'nimda|hybris|klez|bugbear|yaha|braid|sobig|fizzer|palyh|peido|holar'i,
qr'tanatos|lentin|bridex|mimail|trojan\.dropper|dumaru|parite|spaces'i,
qr'dloader|galil|gibe|swen|netwatch|bics|sbrowse|sober|rox|val(hal)?la'i,
qr'frethem|sircam|be?agle|tanx|mydoom|novarg|shimg|netsky|somefool|moodown'i,
qr'@mm|@MM', # mass mailing viruses as labeled by f-prot and uvscan
qr'Worm'i, # worms as labeled by ClamAV, Kaspersky, etc
[qr'^(EICAR|Joke\.|Junk\.)'i => 0],
[qr'^(WM97|OF97|W95/CIH-|JS/Fort)'i => 0],
[qr/.*/ => 1], # true by default (remove or comment-out if undesired)
);
$virus_admin = undef; # do not send virus admin notifications (default)
$mailfrom_to_quarantine = ''; # override sender address with null return path
$QUARANTINEDIR = '/var/lib/amavis/virusmails';
$virus_quarantine_to = 'virus-quarantine'; # traditional local quarantine
$spam_quarantine_to = 'spam-quarantine';
# Add X-Virus-Scanned header field to mail?
$X_HEADER_TAG = 'X-Virus-Scanned'; # (default: undef)
# Leave empty to add no header # (default: undef)
$X_HEADER_LINE = "by $myversion (Debian) at $mydomain";
$undecipherable_subject_tag = '***UNCHECKED*** '; # undef disables it
$remove_existing_x_scanned_headers = 0; # leave existing X-Virus-Scanned alone
$remove_existing_spam_headers = 1; # remove existing spam headers if
# spam scanning is enabled (default)
$keep_decoded_original_re = new_RE(
qr'^MAIL-UNDECIPHERABLE$', # retain full mail if it contains undecipherables
qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)'i,
);
$banned_filename_re = new_RE(
qr'\.[^.]*\.(exe|vbs|pif|scr|bat|cmd|com|dll)$'i, # some double extensions
qr'[{}]', # curly braces in names (serve as Class ID extensions - CLSID)
qr'^message/partial$'i, # rfc2046. this one is deadly for Outcrook
);
#
# Section V - Per-recipient and per-sender handling, whitelisting, etc.
#
#read_hash(\%local_domains, '/etc/postfix/relay_domains');
#read_hash(\%local_domains);
$sql_select_white_black_list = undef; # undef disables SQL white/blacklisting
$recipient_delimiter = '+'; # (default is '+')
$replace_existing_extension = 1; # (default is false)
$localpart_is_case_sensitive = 0; # (default is false)
$blacklist_sender_re = new_RE(
qr'^(bulkmail|offers|cheapbenefits|earnmoney|foryou|greatcasino)@'i,
qr'^(investments|lose_weight_today|market\.alert|money2you|MyGreenCard)@'i,
qr'^(new\.tld\.registry|opt-out|opt-in|optin|saveonl|smoking2002k)@'i,
qr'^(specialoffer|specialoffers|stockalert|stopsnoring|wantsome)@'i,
qr'^(workathome|yesitsfree|your_friend|greatoffers)@'i,
qr'^(inkjetplanet|marketopt|MakeMoney)\d*@'i,
);
read_hash(\%whitelist_sender, '/var/lib/amavis/whitelist');
read_hash(\%blacklist_sender, '/var/lib/amavis/blacklist');
read_hash(\%spam_lovers, '/var/lib/amavis/spam_lovers');
map { $whitelist_sender{lc($_)}=1 } (qw(
nobody@cert.org
owner-alert@iss.net
slashdot@slashdot.org
bugtraq@securityfocus.com
NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM
security-alerts@linuxsecurity.com
amavis-user-admin@lists.sourceforge.net
razor-users-admin@lists.sourceforge.net
notification-return@lists.sophos.com
mailman-announce-admin@python.org
zope-announce-admin@zope.org
owner-postfix-users@postfix.org
owner-postfix-announce@postfix.org
owner-sendmail-announce@lists.sendmail.org
sendmail-announce-request@lists.sendmail.org
ca+envelope@sendmail.org
owner-technews@postel.ACM.ORG
lvs-users-admin@LinuxVirtualServer.org
ietf-123-owner@loki.ietf.org
cvs-commits-list-admin@gnome.org
rt-users-admin@lists.fsck.com
owner-announce@mnogosearch.org
owner-hackers@ntp.org
owner-bugs@ntp.org
clp-request@comp.nus.edu.sg
surveys-errors@lists.nua.ie
emailNews@genomeweb.com
owner-textbreakingnews@CNNIMAIL12.CNN.COM
yahoo-dev-null@yahoo-inc.com
));
#
# Section VI - Resource limits
#
$MAXLEVELS = 14; # (default is undef, no limit)
$MAXFILES = 1500; # (default is undef, no limit)
$MIN_EXPANSION_QUOTA = 100*1024; # bytes (default undef, not enforced)
$MAX_EXPANSION_QUOTA = 300*1024*1024; # bytes (default undef, not enforced)
$MIN_EXPANSION_FACTOR = 5; # times original mail size (must be specified)
$MAX_EXPANSION_FACTOR = 500; # times original mail size (must be specified)
#
# Section VII - External programs, virus scanners
#
$path = '/usr/local/sbin:/usr/local/bin:/usr/sbin:/sbin:/usr/bin:/bin';
$file = 'file'; # file(1) utility; use 3.41 or later to avoid vulnerability
$gzip = 'gzip';
$bzip2 = 'bzip2';
$lzop = 'lzop';
$uncompress = ['uncompress', 'gzip -d', 'zcat'];
$unfreeze = ['unfreeze', 'freeze -d', 'melt', 'fcat'];
$arc = ['nomarch', 'arc'];
$unarj = ['arj', 'unarj']; # both can extract, arj is recommended
$unrar = ['rar', 'unrar']; # both can extract, same options
$zoo = 'zoo';
$lha = 'lha';
$cpio = 'cpio'; # comment out if cpio does not support GNU options
# SpamAssassin settings
$sa_local_tests_only = 0; # (default: false)
$sa_auto_whitelist = 1; # turn on AWL (default: false)
$sa_timeout = 30; # timeout in seconds for a call to SpamAssassin
# (default is 30 seconds, undef disables it)
$sa_mail_body_size_limit = 200*1024; # don't waste time on SA is mail is larger
# (less than 1% of spam is > 64k)
# default: undef, no limitations
$sa_tag_level_deflt = 2.0; # add spam info headers if at, or above that level
$sa_tag2_level_deflt = 6.31; # add 'spam detected' headers at that level
$sa_kill_level_deflt = $sa_tag2_level_deflt; # triggers spam evasive actions
$sa_dsn_cutoff_level = 9; # spam level beyond which a DSN is not sent,
# effectively turning D_BOUNCE into D_DISCARD;
# undef disables this feature and is a default;
#$sa_quarantine_cutoff_level = 20; # spam level beyond which quarantine is off
# Doesn't work in 20030616p10
$sa_spam_subject_tag = '***SPAM*** '; # (defaults to undef, disabled)
# (only seen when spam is not to be rejected
# and recipient is in local_domains*)
$first_infected_stops_scan = 1; # default is false, all scanners are called
@av_scanners = (
### http://www.clamav.net/
['Clam Antivirus-clamd',
\&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamav/clamd.ctl"],
qr/\bOK$/, qr/\bFOUND$/,
qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
# NOTE: run clamd under the same user as amavisd; match the socket
# name (LocalSocket) in clamav.conf to the socket name in this entry
# When running chrooted one may prefer: ["CONTSCAN {}\n","$MYHOME/clamd"],
);
@av_scanners_backup = (
### http://www.clamav.net/
['Clam Antivirus - clamscan', 'clamscan',
"--stdout --no-summary -r --tempdir=$TEMPBASE {}", [0], [1],
qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
);
#
# Section VIII - Debugging
#
# Turn on SpamAssassin debugging (output to STDERR, use with 'amavisd debug')
$sa_debug = 1; # defaults to false
1; # insure a defined return |
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