Roman Gelfand schreef: > Is there a reason why to choose to configure RBL with DSPAM over the > same with Postfix?
Using RBL in postfix mean that you can reject the mail on SMTP level. The message never enters your system which saves you resources. Furthermore the, RBL function in dspam is not meant for 'regular' RBL (as this is done much more effcetive at SMTP level), but for "streamlined blackhole list", which was a project of the original dspam developer, which is now dead. The comments in the config file tell something more about it. There is an expliciet advice in the file though about not using human-maintained RBL's, which spamhaus et al are. From dspam.conf: # Lookup: Perform lookups on streamlined blackhole list servers (see # http://www.nuclearelephant.com/projects/sbl/). The streamlined blacklist # server is machine-automated, unsupervised blacklisting system designed to # provide real-time and highly accurate blacklisting based on network spread. # When performing a lookup, DSPAM will automatically learn the inbound message # as spam if the source IP is listed. Until an official public RABL server is # available, this feature is only useful if you are running your own # streamlined blackhole list server for internal reporting among multiple mail # servers. Provide the name of the lookup zone below to use. # # This function performs standard reverse-octet.domain lookups, and while it # will function with many RBLs, it's strongly discouraged to use those # maintained by humans as they're often inaccurate and could hurt filter # learning and accuracy.
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