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Sawmill is a powerful hierarchical log analysis tool that runs on every major platform.


Sawmill is a Postfix II log analyzer (it also supports 827 other log formats). It can process log files in Postfix II format, and generate dynamic statistics from them, analyzing and reporting events. Sawmill can parse Postfix II logs, import them into a SQL database (or its own built-in database), aggregate them, and generate dynamically filtered reports, all through a web interface. Sawmill can perform Postfix II log analysis on any platform, including Window, Linux, FreeBSD, OpenBSD, Mac OS, Solaris, other UNIX, and others.

Sawmill stores the following non-numerical fields in its database for Postfix II, generates reports for each field, and allows dynamic filtering on any combination of these fields:

Field  Internal Name
   from  from
   to  to
   RBL list  rbl_list
   client hostname  client_hostname
   client IP  client_ip

Sawmill stores the following numerical fields in its database for Postfix II, aggregating them and including them as columns in most reports:

Numerical Field  Internal Name
   messages  messages
   size  size

Sawmill also supports 827 other log formats; see Sawmill Features for a list containing Postfix II and all the other supported formats.