According to this /. post about new features in the Linux 2.6.0 kernel:
- The ext3 filesystem has gained indexed directory support, which offers considerable performance gains when used on filesystems with directories
containing large numbers of files.
- In order to use the htree feature, you need at least version 1.32 of
- Existing filesystems can be converted using the command
tune2fs -O dir_index /dev/hdXXX
- The latest e2fsprogs can be found at
This might be interesting for those of you with very large Maildir folders.
I've started following the mutt-dev mailing list again. So far I've managed to fix at least one bug per day, which is a good way to get back into the swing of things. My current goal is to dust off the Maildir header cache patch and address the numerous issues that were discovered. There still seems to be quite a bit of interest in this feature for those people who just refuse to archive old email. :-)
I ran across an article on
The 10 Biggest Spam Myths in which it stated the following:
7. Never opt out.
The public's heard this so often, they accept it as gospel. A recent Bigfoot Interactive study found 58 percent of respondents believe unsubscribing from unwanted e-mail actually results in more unwanted e-mail. Bad as the spam problem is, sometimes good judgment and common sense can prevail. Educated (not just alarmed) consumers are less inclined to report as spammers known and trusted senders just to get off their lists.
I have to admit that I bought into the conventional wisdom on this topic. At work, I had been getting to nearly 300 spam messages per day, so I figured that I didn't really have that
much to lose by trying an experiment to see what would happen if I started clicking on all the unsubscribe links in my spam. The spammers obviously already have my email address, and the rate of spam has been increasing over the past few months, so what did I have to lose?
I've been keeping a spreadsheet with my daily spam counts for awhile now just to track my own experience. This helps me make some more concrete statements about how much spam I'm getting, rather than relying on my feeling
about it. This helped me see the result of clicking though unsubscribe links in a measurable way.
Most of the web pages that handle unsubscribe links state that it will take up to 48 hours to process the request. Fair enough (although it seems to me that it would take only a few seconds to reap an address from a proper DB). So for about a week I clicked on every unsubscribe link I could find in my spam. To my surprise, only a small portion of those emails providing links got a 404. However, a lot of my spam is in Asian character sets like GB2312 or Big5 and I obviously could not figure out how to unsubscribe from those, being only an English speaker. After about two days, I did notice a dropoff about about 100-150 messages per day (roughly half the normal rate).
As many of the recent reports on the legislative attempts targetting spam have pointed out, using opt-out systems is extremely annoying to the end user. I spent a good deal of my morning time clicking through the remaining messages which actually provided URLs to unsubcribe. And there is still all that mail which I can't get rid of either because I can't read the email or the messages don't provide unsubscribe links... This made me question the usefulness of wasting my time unsubscribing even to those messages which do provide legitimate ways to unsubscribe.
The next part of my experiment was to stop clicking on unsubscribe links to see how that affected the rate of spam. I had previously noted that the rate of spam was increasing without my doing anything, and so far that appears to still be the case. Almost immediately my daily spam counts jumped by 50 messages per day when I stopped. Just yesterday I was back up to 211 messages. I suspect within another week or so I will be back up to right where I started at the beginning of this exercise.
Finally, I will just put in a plug for the
SpamBayes Outlook Plugin without which my work email account would be completely useless. It is quite apparent to me that only technical means is going save email from being useless. Even if by some miracle the CAN-SPAM act does succeed in chasing spammers out of the US, I will still be deluged by an ever increasing amount of spam from the outside.