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- 1) Implementing this really wouldn't be all that hard because you would use existing components like perl, spamassassin, ssh, and rsync.
- 2) You would need to tie them all together using some toolkit to make a frontend like gtk + or qt that works in Cygwin. From the frontend you choose mail client folders to read for HAM and SPAM, and schedule the nightly mass check time.
- 3) You might need some kind of service or applet visible from the systray in order to do the scheduled nightly mass check.
- 4) Use an "InstallShield" type click-thru installer, which seems to be the standard on Windows. They shouldn't need to make *ANY* choices to download and configure Cygwin. It should just dump everything needed into a single folder that contains this mass check bundle.
- 5) The use of existing FOSS components and a cross-platform toolkit like gtk + or qt would allow this to build on Linux too.