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comparison xml/dnsbl.in @ 162:c4bce911c276 stable-6-03

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don't add auto whitelist for A to A
author carl
date Sat, 14 Jul 2007 12:25:17 -0700
parents d384df37491f
children 97d7da45fe2a
comparison
equal deleted inserted replaced
161:d384df37491f 162:c4bce911c276
174 This milter can also impose hourly rate limits on the number of 174 This milter can also impose hourly rate limits on the number of
175 recipients accepted from SMTP AUTH connections, that would otherwise be 175 recipients accepted from SMTP AUTH connections, that would otherwise be
176 allowed to relay thru this mail server with no spam filtering. 176 allowed to relay thru this mail server with no spam filtering.
177 </para> 177 </para>
178 <para> 178 <para>
179 Consider the case of a message from A to B passing thru this milter. 179 Consider the case of a message from A to B passing thru this milter. If
180 If that message is not blocked, then we might eventually see a reply 180 that message is not blocked, then we might eventually see a reply
181 message from B to A. If the filtering context for A includes an 181 message from B to A. If the filtering context for A includes an
182 autowhite entry, then this milter will add an entry in that file to 182 autowhite entry, and that context does <emphasis>not</emphasis> cover B
183 whitelist such replies for a configurable time period. Such autowhite 183 as a recipient, then this milter will add an entry in that file to
184 whitelist such replies for a configurable time period. Suppose A and B
185 are in the same domain, or at least use the same filtering context. In
186 that case we don't want to add a whitelist entry for B, since that would
187 then allow spammers to send mail from B (forged) to B. Such autowhite
184 files need to be writeable by the dnsbl user, where all the other dnsbl 188 files need to be writeable by the dnsbl user, where all the other dnsbl
185 configuration files only need to be readable by the dnsbl user. 189 configuration files only need to be readable by the dnsbl user.
186 </para> 190 </para>
187 <para> 191 <para>
188 The DNSBL milter reads a text configuration file (dnsbl.conf) on 192 The DNSBL milter reads a text configuration file (dnsbl.conf) on