Replace amavis with rmilter plus clamav and rspamd
Pierre Jaury
8 years ago
parent
82ec86afd8
commit
ccb37addf1
@ -1,166 +0,0 @@
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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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$log_level = 1;
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$do_syslog = 1;
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$enable_db = 1;
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$nanny_details_level = 2;
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$enable_dkim_verification = 1;
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@local_domains_maps = ( ["."] );
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@local_domains_acl = ( "." );
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@mynetworks = qw( 127.0.0.0/8 [::1] [FE80::]/10 [FEC0::]/10
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10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 );
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@inet_acl = @mynetworks;
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$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:imap:2525';
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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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$sa_tag_level_deflt = -9999; # add spam info headers if at, or above that level
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$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", "/tmp/clamd.sock"],
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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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@ -1,13 +0,0 @@
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#!/bin/sh
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# Prepare the databases
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sa-update
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# Update the AV database
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freshclam
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# Actually run Amavis
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rm -f /var/run/rsyslogd.pid
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/usr/sbin/clamd
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/usr/sbin/amavisd
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rsyslogd -n
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@ -0,0 +1,13 @@
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FROM alpine
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RUN apk add --update \
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clamav \
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rsyslog \
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wget \
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&& rm -rf /var/cache/apk/*
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COPY conf /etc/clamav
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CMD ["/usr/sbin/clamd"]
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@ -1,19 +1,13 @@
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FROM alpine
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FROM alpine:edge
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RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
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&& apk add --update \
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perl-socket6 \
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perl-io-socket-inet6@testing \
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amavisd-new \
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spamassassin \
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clamav \
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rsyslog \
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wget \
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rmilter@testing rsyslog \
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&& rm -rf /var/cache/apk/*
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COPY conf /etc/
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COPY rmilter.conf /etc/rmilter.conf
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COPY rsyslog.conf /etc/rsyslog.conf
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COPY start.sh /start.sh
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CMD ["/start.sh"]
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CMD ["/start.sh"]
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@ -0,0 +1,119 @@
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# pidfile - path to pid file
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pidfile = /run/rmilter.pid;
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# bind_socket - socket credits for local bind:
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bind_socket = inet:9900
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# tempdir - path to directory that contains temporary files
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tempdir = /tmp;
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# tempfiles_mode - set permission for temp files
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tempfiles_mode = 00600;
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# max_size - maximum size of scanned mail with clamav and dcc
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max_size = 10M;
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# strict_auth - strict checks for mails from authenticated senders
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strict_auth = no;
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# use_dcc - whether use or not dcc system
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use_dcc = no;
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use_redis = yes;
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clamav {
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# servers - clamav socket definitions in format:
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servers = antivirus:3310;
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# connect_timeout - timeout in miliseconds for connecting to clamav
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connect_timeout = 1s;
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# port_timeout - timeout in miliseconds for waiting for clamav port response
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port_timeout = 4s;
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# results_timeout - timeout in miliseconds for waiting for clamav response
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results_timeout = 20s;
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# error_time - time in seconds during which we are counting errors
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error_time = 10;
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# dead_time - time in seconds during which we are thinking that server is down
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dead_time = 300;
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# maxerrors - maximum number of errors that can occur during error_time to make us thinking that
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# Default: 10
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maxerrors = 10;
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};
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spamd {
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# servers - spamd socket definitions in format:
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servers = r:antispam:11333;
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# connect_timeout - timeout in milliseconds for connecting to spamd
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connect_timeout = 1s;
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# results_timeout - timeout in milliseconds for waiting for spamd response
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results_timeout = 20s;
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# error_time - time in seconds during which we are counting errors
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error_time = 10;
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# dead_time - time in seconds during which we are thinking that server is down
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dead_time = 300;
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# maxerrors - maximum number of errors that can occur during error_time to make us thinking that
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maxerrors = 10;
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# reject_message - reject message for spam
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reject_message = "Spam message rejected; If this is not spam contact abuse";
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# whitelist - list of ips or nets that should be not checked with spamd
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whitelist = 127.0.0.1/32, [::1]/128;
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# rspamd_metric - metric for using with rspamd
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rspamd_metric = "default";
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# Do not reject, add header
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spamd_never_reject = yes;
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};
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redis {
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# servers_grey - redis servers for greylisting in format:
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servers_grey = redis:6379;
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# servers_white - redis servers for whitelisting in format similar to that is used
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servers_white = redis:6379;
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# servers_limits - redis servers used for limits storing, can not be mirrored
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servers_limits = redis:6379;
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# servers_id - redis servers used for message id storing, can not be mirrored
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servers_id = redis:6379;
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# id_prefix - prefix for extracting message ids from redis
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id_prefix = "message_id.";
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# grey_prefix - prefix for extracting greylisted records from redis
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grey_prefix = "grey.";
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# id_prefix - prefix for extracting whitelisted records from redis
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white_prefix = "white.";
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# connect_timeout - timeout in miliseconds for waiting for redis
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connect_timeout = 1s;
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# error_time - time in seconds during which we are counting errors
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error_time = 10;
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# dead_time - time in seconds during which we are thinking that server is down
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dead_time = 300;
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# maxerrors - maximum number of errors that can occur during error_time to make us thinking that
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maxerrors = 10;
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};
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# limits section
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limits {
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# Whitelisted ip or networks
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limit_whitelist = 127.0.0.1/32, [::1]/128;
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# Whitelisted recipients
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limit_whitelist_rcpt = postmaster, mailer-daemon;
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# Addrs for bounce checks
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limit_bounce_addrs = postmaster, mailer-daemon, symantec_antivirus_for_smtp_gateways, <>, null, fetchmail-daemon;
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# Limit for bounce mail
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limit_bounce_to = 5:0.000277778;
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# Limit for bounce mail per one source ip
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limit_bounce_to_ip = 5:0.000277778;
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# Limit for all mail per recipient
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limit_to = 20:0.016666667;
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# Limit for all mail per one source ip
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limit_to_ip = 30:0.025;
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# Limit for all mail per one source ip and from address
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limit_to_ip_from = 100:0.033333333;
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};
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greylisting {
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timeout = 300s;
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expire = 3d;
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whitelist = 127.0.0.1, 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8, [::1]/128;
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awl_enable = yes;
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awl_pool = 10M;
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awl_hits = 10;
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awl_ttl = 3600s;
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};
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@ -0,0 +1,5 @@
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#!/bin/sh
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rm -f /var/run/rsyslogd.pid
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rmilter -c /etc/rmilter.conf
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rsyslogd -n
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@ -0,0 +1,10 @@
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FROM alpine:edge
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RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
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&& apk add --update \
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rspamd@testing rsyslog \
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&& rm -rf /var/cache/apk/*
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RUN mkdir /run/rspamd
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CMD ["rspamd", "-f", "-i"]
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@ -0,0 +1,4 @@
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$ModLoad imuxsock
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$template noTimestampFormat,"%syslogtag%%msg%\n"
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$ActionFileDefaultTemplate noTimestampFormat
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*.*;auth,authpriv.none /dev/stdout
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@ -0,0 +1,4 @@
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#!/bin/sh
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rspamd -i
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rsyslogd -n
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