Some people complained that they get this message when they open facebook:

I asked the people if they ever received mails from facebook – they said “regularly”. So I wasn’t really sure what could cause this issue.

So I grepped the logs from our mail servers and found… Read the rest of this entry »

Want to configure postfix/spamassassin and wonder which RBLs to choose? I found a cool site which monitors ham and spam hit statistics of a lot of RBLs. Check out http://www.intra2net.com/en/support/antispam/, it’s worth a visit.

My definite winner is zen.spamhaus.org. While having the highest spam hit quote, it has 0% ham hits.