Simscan 1.1 version is now available from
This is primarily a bug fix release. Fixes include an address parsing bug.
A fix to the per domain pass through debugging. Changes to the spam
pass through code and spam passthrough log file code.
Simscan is a simple program that enables qmail-smtpd to reject viruses,
spam, and block attachments during the SMTP conversation so the email never
makes it into your computers. It is completely open source and uses other
open source components. Very efficient and written in C.