Just to expand a bit on something I should have elaborated: There is exactly one member of the mailman group, the user mailman. When the MTA or web server want to perform a mailman operation it invokes what is called a wrapper. The wrappers are group mailman and are setgid, this means the wrapper executes as the group mailman even if the MTA or web server invoked it. The wrapper performs a security check on the process that invoked it to assure only permitted users have permission to invoke the wrapper, only the MTA is allowed to invoke the mail wrapper, only the web server is allowed to invoke the CGI wrapper. -- John Dennis <[EMAIL PROTECTED]>
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