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OSX

OS X Odyssey 346 - Food4Spam 0.3 Fake Email Address Generator For Anti-Spam

Tuesday, June 17, 2003

By Applelinks Contributing Editor Charles W. Moore

Food4Spam generates a list of fake email addresses for distribution on websites, weblogs or in newsgroups, the intent being to pollute the spammers email-databases with addresses that don't work. Spammers get email adresses for their spam-mailings by spidering the web and searching on websites and in newsgroups for new addresses.

So give them what they want. Food4Spam simply generates lists of syntax-correct fakemail addresses and propagates them over the Web on homepages, weblogs and in newsgroups. The main task of Food4Spam is to generate a list of fake email addresses and to ease their distribution. A secondary function of Food4Spam facilitates the hiding of email adresses, making it easier for you to provide your email address on web pages or in weblogs, but encoded in a form that makes it hard for spammers to read. This is done by a "by-character" encoding of the HTML link, or even better, by encapsulating the encoded link in an JavaScript.

Food4Spam can generate a plain text-list or a HTML-list for any number of addresses you want to generate. You can even specify the seperator between the addresses. Anyway it's a good idea to only generate lists of 10-20 addresses, otherwise the huge amount of email addresses on one place may indicate the spam-bots that they are being duped.

Food4Spam tries to be intelligent (in a way) and generates emails in various forms. The lenghths differ, the characters "aeiou" are used more often than other characters. Sometimes there are dots (.) or hyphens (-) in the email address, and sometimes you also get a "hotmail.com" address.

All you have to do after generating a list is to paste it into a website and upload it to your homepage or weblog (have a look at http://www.raum-im-netz.de/themm bottom left side for an example).

Future versions of this application will maybe allow to generate and to upload a html file containing this address-list to simply automatically include the file in your homepage.

Food4Spam does not distribute data over the net if you do not want it to. It just generates a list of fake email adresses. You can completely control what and when you distribute them to the net. There is no security issue for you.

New in this version:
• Major change of concept. Food4Spam now only creates fake email adresses. • Food4Spam can now encode your email address for safer distribution on webpages • Now has a nifty application icon.

System requirements:
• Mac OS X 10.1 or higher

Food4Spam is freeware/donationware

For more information, visit:
http://spammerfood.sourceforge.net/

***
Screen Freezes
iBook Screen Freezing
More on Swapfiles

***

Screen Freezes

From Ira Lansing

I too have experienced this phenomenon, and also for no apparent reason. And yes, I was doing seemingly innocuous tasks. The keyboard sequence for a force quit does not always work (nevertheless, try it), but surprisingly, sometimes the Dock is responsive and you can quit the application from there, or control-click on the Dock icon and you can force quit the application. On my QuickSilver Mac keyboard I do not have a power key, so my only option when all else fails is a hard power down followed by repair utilities.

--Ira Lansing

___

Hi Ira;

How did you get the cursor to the Dock? In both cases on my iBook, the cursor would not respond to mouse or trackpad input.

Charles

***

iBook Screen Freezing

From Anthony Helm

Charles,

Eerie coincidence! After very faithful service for a year, this weekend my iBook, too, began experiencing the exact same behavior. It began when I noticed that it would wake up from sleep. Then, about 9 out of 10 times, I couldn't get the screen to come on while the machine booted (it booted successfully, I could tell from the whirring and the fact that I could shut it down properly). The screen just stayed black. When I did get the screen to come on, the Jaguar boot sundial gave a funny appearance, stopping from time to time. Then, once fully booted up, it would generally freeze as soon as I tried to open the hard disk. Hard freeze, no controls at all.

I even tried booting with an external monitor connected, but to no avail--same behavior.

I'm suspecting the last security update, but am at a loss otherwise.

Cheers,
Anthony

___

Hi Anthony;

It can’t be that security update with me. I’m running OS X 10.2.3 on the iBook. I also on occasion fond the iBook non-responsive to external mouse or keyboard input upon waking from sleep. Sometimes unplugging/replugging the USB device(s) restores support, but usually a reboot is necessary. However, in those instances, the machine still responds to the built-in trackpad. In the screen freezes I referred to yesterday, it is completely unresponsive to pointing device input and required a force reboot.

Charles

***

More on Swapfiles

From Anonymous

Hi Charles,

You ask: "What say you about the caveat that on a slow disk, you may lose as much speed to longer read head travel as you gain from more breathing space by moving the swap file(s) to another partition?"

I don't have any mass-testing data at hand to present on the subject, but the key word in the above theory is 'may'. Yes, under some circumstances, you *may* experience such a problem, but, overall, I'd tell you that due in large part to the nature of OS X, and how rapidly and how badly it fragments its own partition, added to that my own considerable experience and customer feedback with both seat-of-the-pants and utility feedback (Memory Stick, Memory Monitor, Memory Usage Getter, et al), just putting VM on another partition, same disk or not, helps out stability and speed, both.

I also know that every laptop owner, whose laptop I either reconfigure or convince them to do so on their own, who previously complained about degraded performance over time, even if they continually optimize the drive, universally rave about consistent (or at least dramatically improved) performance once they use a dedicated partition, or at least a partition other than the Startup Disk for swapfiles.

On that note, here's an excerpt from a post by an iBook user whose performance was frustrating his work:

"I run Photoshop 7.0.1 and use two Epson printers- an 1160 and a 960. I've noticed at times the printing gets real sluggish, worse when I am actually working on another file in PS while I'm printing [...] I did note that pageouts dramatically increased when printing and doing other things at the same time. I also have Cocktail, which I try to use every day [...] deleted caches [...] [then finally] installed SwapSwapVM. All went well, and I'm using one of my partitions that is about 3.5 GB. I printed some more, and noticed less strain and less pageouts( 1, to be exact). I've had one swapfile at peak usage for 76.3 mb, in the partition. I was getting 300 pageouts or more when trying to do the same thing I did today. At times it was over 11,000. Anyway, things seem to be smoother, and I'll keep an eye on the numbers."

As I said, I can't offer you anything more than anecdotal evidence and the encouragement to just try it for yourself. I will add that if you can't afford to dedicate 1-4GB of disk space for a dedicated swap volume (which is also highly effective to use for double-duty with targeting Photoshop and Illustrator Scratch Disks), you should probably at least defrag the target volume first to give the swapfile a fair chance to write itself in a contiguous manner and thus prevent the massive disk thrashing issues.

As I recall, your Pismo only has two partitions, so the above applies to you, except that I would also take this opportunity to gently remind you about FWB's Partition Toolkit, which will allow you to *cheaply* and *safely* repartition your single hard drive without the need to completely, backup, erase, repartition and restore your current install and data. This tool would be a Godsend in the case of your iBook, saving you potentially hours of data swapping or, worse, a complete erase and reinstallation of OS and apps from scratch.

FWIW, I have never felt the need to run Cocktail, MacJanitor or any of the "cleanup" utilities out there. My Macs feel just as snappy on day twenty of uptime as they do on minute one, even after using such utilities. Any sluggishness I start to feel in an application (Finder, Safari, Photoshop, Entourage) is quickly reversed by either quitting and restarting the offending app, or, at worst, a quick logout/login.

Though I do occasionally use DiskWarrior for a routine checkup, and I do routinely (about once a month) optimize (not just defrag) my disks, I really give most of the credit to my success to using a partitioned setup, be it one drive on my PowerBook or multiple drives on my desktops. YMMV.

Cheers
Anon

___

Hi Anon,;

I’ll have to try the SwapSwapVM solution on the Pismo, which actually has four partitions, one of which has more than 2.5 GB free (the one next door to my OS X partition). I just defragged and optimized my partitions before I switched to using the iBook for production last week, so it should be clear sailing there.

Incidentally, the iBook has been up for three days since the last reboot, and there are now four swapfiles created, although haven’t been noticing a slowdown pageouts, but I’m sure getting them, to the tune of:“30069(0) pageins, 27907(0) pageouts” upon running the top command a moment ago.

There is 3.9 GB free on the OS X partition, and I have the RAM maxed out at 640 MB.

Charles

***

The OS X Odyssey archives may be accessed here:
http://www.applelinks.com/news/odyssey/

***

***
Charles W. Moore

Note: Letters to Moore's Mailbag may or may not be published at the editor's discretion. Correspondents' email addresses will NOT be published unless the correspondent specifically requests publication. Letters may be edited for length and/or context.

Opinions expressed in postings to Moore's MailBag are those of the respective correspondents and not necessarily shared or endorsed by the Editor and/or Applelinks management.

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CM


Charles W. Moore

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