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166 lines
5.2 KiB
Plaintext
166 lines
5.2 KiB
Plaintext
use strict;
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use Socket;
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###############
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# General
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###############
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$path = '/usr/local/sbin:/usr/local/bin:/usr/sbin:/sbin:/usr/bin:/bin';
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$max_servers = 2;
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$daemon_user = 'amavis';
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$daemon_group = 'amavis';
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$mydomain = $ENV{DOMAIN};
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$myhostname = $ENV{HOSTNAME};
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$MYHOME = '/var/amavis';
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$TEMPBASE = "$MYHOME/tmp";
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$ENV{TMPDIR} = $TEMPBASE;
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$QUARANTINEDIR = '/var/amavis/quarantine';
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$log_level = 2;
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$do_syslog = 1;
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$enable_db = 1;
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$nanny_details_level = 2;
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$enable_dkim_verification = 1;
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@local_domains_maps = ( [".$mydomain"] );
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@mynetworks = qw( 127.0.0.0/8 [::1] [FE80::]/10 [FEC0::]/10
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10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 );
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@inet_acl = @mynetworks;
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$unix_socketname = "$MYHOME/amavisd.sock";
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$inet_socket_port = 2525;
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$inet_socket_bind = undef;
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$forward_method = 'lmtp:lmtp:25';
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###############
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# Policies
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###############
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$interface_policy{'2525'} = 'EXT';
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$policy_bank{'EXT'} = {
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};
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###############
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# Notifications
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###############
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$virus_admin = "$ENV{POSTMASTER}\@$mydomain";
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$mailfrom_notify_admin = "$ENV{POSTMASTER}\@$mydomain";
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$mailfrom_notify_recip = "$ENV{POSTMASTER}\@$mydomain";
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$mailfrom_notify_spamadmin = "$ENV{POSTMASTER}\@$mydomain";
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$mailfrom_to_quarantine = '';
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@addr_extension_virus_maps = ('virus');
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@addr_extension_banned_maps = ('banned');
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@addr_extension_spam_maps = ('spam');
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@addr_extension_bad_header_maps = ('badh');
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$recipient_delimiter = '+';
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###############
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# Antispam
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###############
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$sa_tag_level_deflt = 2.0; # add spam info headers if at, or above that level
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$sa_tag2_level_deflt = 6.2; # add 'spam detected' headers at that level
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$sa_kill_level_deflt = 6.9; # triggers spam evasive actions (e.g. blocks mail)
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$sa_dsn_cutoff_level = 10; # spam level beyond which a DSN is not sent
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$sa_crediblefrom_dsn_cutoff_level = 18; # likewise, but for a likely valid From
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$penpals_bonus_score = 8; # (no effect without a @storage_sql_dsn database)
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$penpals_threshold_high = $sa_kill_level_deflt; # don't waste time on hi spam
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$bounce_killer_score = 100; # spam score points to add for joe-jobbed bounces
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$sa_mail_body_size_limit = 400*1024; # don't waste time on SA if mail is larger
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$sa_local_tests_only = 0; # only tests which do not require internet access?
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$sa_spam_subject_tag = '';
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###############
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# Antivirus
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###############
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$MAXLEVELS = 14;
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$MAXFILES = 3000;
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$MIN_EXPANSION_QUOTA = 100*1024;
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$MAX_EXPANSION_QUOTA = 500*1024*1024;
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$defang_virus = 1; # MIME-wrap passed infected mail
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$defang_banned = 1; # MIME-wrap passed mail containing banned name
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$defang_by_ccat{CC_BADH.",3"} = 1; # NUL or CR character in header
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$defang_by_ccat{CC_BADH.",5"} = 1; # header line longer than 998 characters
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$defang_by_ccat{CC_BADH.",6"} = 1; # header field syntax error
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@av_scanners = (
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['ClamAV-clamd',
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\&ask_daemon, ["CONTSCAN {}\n", inet_ntoa(inet_aton("clamav")).":3310"],
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qr/\bOK$/m, qr/\bFOUND$/m,
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qr/^.*?: (?!Infected Archive)(.*) FOUND$/m ],
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);
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@av_scanners_backup = ();
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###############
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# Maps and fine-tuning
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###############
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@score_sender_maps = ({ '.' => [], });
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@keep_decoded_original_maps = (new_RE(
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qr'^MAIL$', # let virus scanner see full original message
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qr'^MAIL-UNDECIPHERABLE$', # same as ^MAIL$ if mail is undecipherable
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qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)'i,
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));
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$banned_filename_re = new_RE(
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# BLOCKED ANYWHERE
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qr'^\.(exe|lha|cab|dll)$',
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qr'.\.(exe|vbs|pif|scr|cpl|bat|cmd|com)$'i,
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# BLOCK THE FOLLOWING, EXCEPT WITHIN UNIX ARCHIVES:
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[ qr'^\.(gz|bz2)$' => 0 ],
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[ qr'^\.(rpm|cpio|tar)$' => 0 ],
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qr'.\.(pif|scr)$'i,
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# BLOCK THE FOLLOWING, EXCEPT WITHIN ARCHIVES:
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[ qr'^\.(zip|rar|arc|arj|zoo)$'=> 0 ],
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qr'^application/x-msdownload$'i,
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qr'^application/x-msdos-program$'i,
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qr'^application/hta$'i,
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# Block certain double extensions in filenames
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qr'^(?!cid:).*\.[^./]*[A-Za-z][^./]*\.\s*(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)[.\s]*$'i,
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);
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@decoders = (
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['mail', \&do_mime_decode],
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['F', \&do_uncompress, ['unfreeze', 'freeze -d', 'melt', 'fcat'] ],
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['Z', \&do_uncompress, ['uncompress', 'gzip -d', 'zcat'] ],
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['gz', \&do_uncompress, 'gzip -d'],
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['gz', \&do_gunzip],
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['bz2', \&do_uncompress, 'bzip2 -d'],
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['xz', \&do_uncompress, ['xzdec', 'xz -dc', 'unxz -c', 'xzcat'] ],
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['lzma', \&do_uncompress, ['lzmadec', 'xz -dc --format=lzma',
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'lzma -dc', 'unlzma -c', 'lzcat', 'lzmadec'] ],
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['lrz', \&do_uncompress, ['lrzip -q -k -d -o -', 'lrzcat -q -k'] ],
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['lzo', \&do_uncompress, 'lzop -d'],
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['lz4', \&do_uncompress, ['lz4c -d'] ],
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[['cpio','tar'], \&do_pax_cpio, ['pax', 'gcpio', 'cpio'] ],
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['deb', \&do_ar, 'ar'],
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['rar', \&do_unrar, ['unrar', 'rar'] ],
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['arj', \&do_unarj, ['unarj', 'arj'] ],
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['arc', \&do_arc, ['nomarch', 'arc'] ],
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['zoo', \&do_zoo, ['zoo', 'unzoo'] ],
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['doc', \&do_ole, 'ripole'],
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['cab', \&do_cabextract, 'cabextract'],
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['tnef', \&do_tnef_ext, 'tnef'],
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['tnef', \&do_tnef],
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[['zip','kmz'], \&do_7zip, ['7za', '7z'] ],
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[['zip','kmz'], \&do_unzip],
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['7z', \&do_7zip, ['7zr', '7za', '7z'] ],
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[[qw(gz bz2 Z tar)], \&do_7zip, ['7za', '7z'] ],
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[[qw(xz lzma jar cpio arj rar swf lha iso cab deb rpm)], \&do_7zip, '7z' ],
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['exe', \&do_executable, ['unrar','rar'], 'lha', ['unarj','arj'] ],
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);
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1; # insure a defined return value
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