http://dryice.name/blog Tue, 31 Aug 2010 12:01:11 +0000 http://backend.userland.com/rss092 en Well I'm using spambayes to do spam filter work, and it does do its work well: It will only move the mails it's sure are spams to the spam folder, and the mails it's sure are not spam to the non-spam folder. And something in between ... http://dryice.name/blog/freebsd/using-imapfilter-to-do-forced-white-list-for-spambayes/ I reached Joe Gregorio's blog today when looking around the net. And besides the nice animation, the author has a clever way to fight blog spams. I'm quoting his/her words below: You must enter your name followed by something in parentheses, either an email address or the URI of your web site. ... http://dryice.name/blog/misc/new-way-to-fight-blog-spams/ There became more and more spam post on my blog, so I decide to fight with them. There are several ways I can think off: personal verify. That is, I review every post and decide if it should go into my blog. Well I don't have time for this. Only registered user can ... http://dryice.name/blog/misc/fighting-with-spam/ Well it's my mistake that I didn't take a close look to the comment of my blog. However when I take a look today, I found thousands of spam posts there. And I have to delete all of them. I think it's time to setup some kind of spam filter or ... http://dryice.name/blog/misc/spams/ Captcha stands for "completely automated public Turing test to tell computers and humans apart", which is the small images we usually see when registering or logining to some systems like free email. It is developted to protect from robots. See the wikipidia page for detail. There are several Python packages implementing ... http://dryice.name/blog/python/captcha/ Here is the how to Install the /usr/ports/mail/p5-Mail-SpamAssassin and /usr/ports/mail/spamass-rules port Put these in /etc/rc.conf spamd_enable="YES" spamd_flags="-d -m 1 -r ${spamd_pidfile}" The "-m 1" said only folkone spamd instance. I don't have too much trafic so one instance is OK. copy my local.cf to /usr/local/etc/mail/spamassassin and restart spamd to check the rules out. There are two choices ... http://dryice.name/blog/freebsd/to-get-spamassassin-and-fetchmail-back/