annotate dnsbl.conf @ 154:89ce226e5383

add auto whitelisting
author carl
date Sat, 07 Jul 2007 21:24:38 -0700
parents 8d7c439bb6fa
children 97d7da45fe2a
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1 context main-default {
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2 // outbound dnsbl filtering to catch our own customers that end up on the sbl
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3 dnsbl localp partial.blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s";
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4 dnsbl local blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s";
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5 dnsbl sbl sbl-xbl.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s";
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6 dnsbl dul dul.dnsbl.sorbs.net "Mail from %s rejected - dul; see http://www.sorbs.net/lookup.shtml?%s";
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7 dnsbl_list local sbl dul;
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8
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9 // outbound content filtering to prevent our own customers from sending spam
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10 content on {
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11 filter sbl-xbl.spamhaus.org "Mail containing %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s";
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12 uribl multi.surbl.org "Mail containing %s rejected - surbl; see http://www.rulesemporium.com/cgi-bin/uribl.cgi?bl0=1&domain0=%s";
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13 #uribl black.uribl.com "Mail containing %s rejected - uribl; see http://l.uribl.com/?d=%s";
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14 ignore { include "hosts-ignore.conf"; };
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15 tld { include "tld.conf"; };
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16 cctld { include "cctld.conf"; };
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17 html_tags { include "html-tags.conf"; };
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18 html_limit on 20 "Mail containing excessive bad html tags rejected";
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19 html_limit off;
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20 host_limit on 20 "Mail containing excessive host names rejected";
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21 host_limit soft 20;
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22 };
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23
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24 // backscatter prevention - don't send bounces for mail that we accepted but could not forward
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25 // we only send bounces to our own customers
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26 env_from unknown {
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27 "<>" black;
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28 };
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29
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30 // hourly recipient rate limit by smtp auth client id
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31 rate_limit 30 { // default
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32 #fred 100; // override default limits
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33 #joe 10; // ""
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34 };
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35 };
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36
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37 context main {
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38 dnsbl localp partial.blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s";
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39 dnsbl local blackholes.five-ten-sg.com "Mail from %s rejected - local; see http://www.five-ten-sg.com/blackhole.php?%s";
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40 dnsbl sbl sbl-xbl.spamhaus.org "Mail from %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s";
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41 dnsbl xbl xbl.spamhaus.org "Mail from %s rejected - xbl; see http://www.spamhaus.org/query/bl?ip=%s";
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42 dnsbl dul dul.dnsbl.sorbs.net "Mail from %s rejected - dul; see http://www.sorbs.net/lookup.shtml?%s";
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43 dnsbl_list local sbl dul;
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44
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45 content on {
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46 filter sbl-xbl.spamhaus.org "Mail containing %s rejected - sbl; see http://www.spamhaus.org/query/bl?ip=%s";
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47 uribl multi.surbl.org "Mail containing %s rejected - surbl; see http://www.rulesemporium.com/cgi-bin/uribl.cgi?bl0=1&domain0=%s";
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48 #uribl black.uribl.com "Mail containing %s rejected - uribl; see http://l.uribl.com/?d=%s";
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49 ignore { include "hosts-ignore.conf"; };
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50 tld { include "tld.conf"; };
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51 cctld { include "cctld.conf"; };
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52 html_tags { include "html-tags.conf"; };
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53 html_limit off;
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54 host_limit soft 20;
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55 };
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56
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57 env_to {
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58 # !! replace this with your domain names
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59 # child contexts are not allowed to specify recipient addresses outside these domains
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60 # or leave this empty to allow unrestricted child contexts
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61 # example.com;
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62 };
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63
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64 context whitelist {
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65 content off {};
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66 env_to {
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67 # dcc_to ok { include "/var/dcc/whitecommon"; };
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68 };
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69 env_from white {}; # white forces all unmatched from addresses (everyone in this case) to be whitelisted
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70 # so all mail TO these env_to addresses is accepted
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71 };
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72
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73 context abuse {
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74 dnsbl_list xbl;
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75 content off {};
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76 env_to {
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77 abuse@ # no content filtering on abuse reports
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78 postmaster@ # ""
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79 };
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80 env_from unknown {}; # ignore all parent white/black listing
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81 };
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82
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83 context minimal {
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84 dnsbl_list sbl dul;
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85 content on {};
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86 env_to {
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87 };
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88 };
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89
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90 context blacklist {
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91 env_to {
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92 # dcc_to many { include "/var/dcc/whitecommon"; };
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93 };
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94 env_from black {}; # black forces all unmatched from addresses (everyone in this case) to be blacklisted
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95 # so all mail TO these env_to addresses is rejected
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96 };
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97
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98 env_from unknown {
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99 abuse@ abuse; # replies to abuse reports use the abuse context
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100 # dcc_from { include "/var/dcc/whitecommon"; };
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101 };
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102
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103 autowhite 90 "my-auto-whitelist";
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104 };
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105