Thank you for your answer, I know that SME 6.X is obsolete, we are computer company in Lyon (France), we manage about 20 SME servers of our customers. This server will be upgraded this summer.
I need mailfront because on this server we need to keep trace of all outgoing mail until the 7.4 upgrade, according to the how-to below.
1) Use the server-manager to add a user named 'maillog'
2) Add the rpm:
# rpm -Uvh mailfront-0.86-1es2.i386.rpm
3) Add the environment variable:
# echo maillog > /var/service/smtpfront-qmail/env/LOG_RECIPIENT
4) Send some e-mails and you should find messages delivered to intended
recipients plus archival copies in the 'maillog' inbox.
Thanks for your comprehension.