Pflogsumm README There's not much to installing pflogsumm, so it's all manual. 1. Unpack the distribution (if you're reading this, you've already gotten that far) 2. Copy or move pflogsumm.pl to some directory from which you'll want to execute it. Maybe rename it to just "pflogsumm." Watch the ownerships and permissions. Make sure it's executable. E.g.: cp pflogsumm.pl /usr/local/bin/pflogsumm chown bin:bin /usr/local/bin/pflogsumm chmod 755 /usr/local/bin/pflogsumm 3. If there's a manual page available (pflogsumm.1), copy that to /usr/local/man/man1 or wherever you stash local manpages. Make sure it's world-readable. E.g.: cp pflogsumm.1 /usr/local/man/man1/pflogsumm.1 chown bin:bin /usr/local/man/man1/pflogsumm.1 chmod 644 /usr/local/man/man1/pflogsumm.1 4. Read the man page (or the top of pflogsumm itself) for usage. 5. Check the FAQ (pflogsumm-faq.txt) 6. Configure your cron jobs if you're going to run pflogsumm on an automatic, scheduled basis. There are tips in the manpage and the FAQ. That's about it. As the manpage and FAQ both note: pflogsumm requires the Date::Calc Perl module if you want to use --smtpd_stats.