Settings > Writing a log-file
You can choose with a check box whether a log file shall be written or not. When the box is checked, new logging information is appended to the data which might exist already.
The log information which per default is written by the IMP filter can be enriched with information from the TextTransformer project.
(This code snippet is from NonFree.ttp)
After a call of the dialog a value is written into the Spamihilator.ini for the log option and the log path.
[impfilter.dll]
Log=1
LogPath=C=3A=5CProgramme=5CSpamihilator=5Cplugins