Spam Conference in Boston 241
bpfinn writes "Are you working on your own anti-spam solution? Would you like to compare notes with other coders? You'll get your chance at the
Spam Conference in Cambridge on January 17, 2003. Among the speakers are: Paul Graham (of "a plan for spam" fame), ESR, John Graham-Cumming (of "POPFile" fame), and Matt Sergeant from MessageLabs. According to the homepage, this conference will be very informal: "no fees, sponsorships, proceedings, luncheons, contests, etc. Just a series of quick, concentrated talks, and then we all go off and get Chinese food." Slashdotters who are peeved about spam can register here."
Oh I didnt know (Score:4, Funny)
Re:Oh I didnt know (Score:2)
Repeat repeat repeat article (Score:3, Funny)
This thing must have been featured 3 or 4 times on slashdot now...
Heh (Score:5, Funny)
If you are, and would like the NATIONAL EXPOSURE only email can get you, call the number listed below. You will be giving MILLIONS the opportunity to receive your amazing breakthrough via email.
To unsubscribe (suckers!!) please click the link below.
Sweet! (Score:5, Insightful)
Re:Sweet! (Score:3, Insightful)
Well that is pretty much how conferences start. They begin as a technical session with 5 experts talking and 50 people in the audience, then the next year there are more people and the program gets longer. The year after that there is an exhibition which the year after becomes an exhibition floor. After that the whole thing goes downhill and turns into a trade show.
That is exactly how the RSA Conference and Interop began.
I am somewhat disappointed by the means of choosing the papers, basically the first people to propose a talk. As a result the spam conference will only be discussing filtering approaches based on identifying the spam. The alternative approaches based on authenticating the genuine signal simply won't get a hearing.
The problem with filtering approaches is that they only work as long as the attacker does not have access to the filter. If the attacker does have access to the filter they can repeatedly test and modify their spam until it gets through. That is why the filtering built into Outlook fails, the attackers have access to the filter and can use countermeasures.
Filtering techniques are a hacker solution, they only solve the problem for the small community of hackers that use them. Once they are used generally they fail.
Re:Sweet! (Score:2)
That's where the "confer" portion comes in. If that's your concern, go and say it over Chinese, or see if you can't get ahold of someone who is going to bring it up for you.
security? (Score:3, Funny)
since spammers and advertisers always stay one step ahead of technology, shouldn't users register to get in?
i know there's a few spam artists out there i'd like to keep out. any open source software or ideas they come up with and speak about may be directly spoken to the enemy.
granted, this is worst case scenerio, but oh well
Re:security? (Score:2, Insightful)
NOT offtopic at all (Score:2)
Anyway, this is correct. Spammers already troll anti-spam lists looking for information on new anti-spam techniques just so they can slip around them.
Haven't heard about this for a while (Score:2)
Re:Haven't heard about this for a while (Score:3, Interesting)
If everyone put a couple of pages with a few hundred thousand fake E-mail adresses (automatically generated) wouldn't that make these lists less valuable.
It would increase the amount of spam at first, but given enough fake adresses, it would come down in the end. It's a number game, to put someone who "owns" 1 million real E-mail adresses out of business, you would need to post some 100 million fake ones for him to harvest. That is no more than 2.5 Gb of HTML and some coordinated effort.
mmmm...
Re:Haven't heard about this for a while (Score:2)
Re:Haven't heard about this for a while (Score:2)
Re:Haven't heard about this for a while (Score:2)
Now, here is where you fail to understand the system.
Say that Bob wants to send a message to Alice. In fact, Bob even uses an open relay. Alice has a list of computationally intensive questions that she has uploaded to her mail server. When Bob wants to send a message to Alice, his mail server (the open relay) queries Alice's mail server, and gives Bob one of Alice's questions. Bob can then choose to include an answer to the question with his message or not.
Once Bob's message reaches Alice, her client software looks at the answer to the question. If the answer is not there, or is incorrect, the message is sent to junk mail.
Now imagine that Trent is an evil spammer. He sends out a million messages around the world every day through an open relay. Unfortunately, he doesn't have the computing power to answer a million different questions. He still sends out a bunch of spam from the open relay. And it all gets to the various Alices of the world. But none of the messages have correct answers on them, so they all get filed in Junk Mail.
Re:Haven't heard about this for a while (Score:2)
Can you think of any more holes in the idea? It would help if you took enough time on your objections to avoid the ones with obvious answers.
Re:Haven't heard about this for a while (Score:2)
Re:Haven't heard about this for a while (Score:2)
Moreover, mailing lists would simply ignore the challenge questions, and rely on user white-lists to let them through.
Focus (Score:5, Insightful)
The better spam filters get, the more horsepower these fuckers are going to put into plying their trade. That 100 million herbal viagra batch didn't work? Oh, OK, let's send out 1 billion messages then.
Their capacity to add processing power to their operations will grow exponentially as the efficiency of spam blocks increases. But there's only so much bandwidth to go around. Ergo, suffer the ISP (mine and yours, not theirs). Something's gotta give.
I shudder to even contemplate it, but unless their revenue stream is cut off, this is going to continue. And that means educating users to NOT FUCKING BUY ANYTHING SOLD THROUGH SPAM. Until then, well...
Re:Focus (Score:2, Insightful)
I happen to agree that the bandwidth eaten by spam is the ultimate problem, and that filtering doesn't really address that. But out of fairness I thought I would mention the counter-argument made by the proponents of filtering:
If you get enough of the large ISPs and electronic mail services to filter all their customer's mail - enough to eliminate (say) 95% of the spam currently getting delivered - then the spammers will only be making 5% of the sales they are currently making. Which may be enough to drive them out of business.
I don't believe it will work, but that's the party line I expect you'll be hearing at the conference.
Re:Focus (Score:3, Insightful)
For me personally, bandwidth isn't an issue. I'm on DSL, my servers are locked up tight and not contributing to the problem... for me, the problem is that 95% of the time my "New Mail" alert goes off, it's all SPAM. I don't care about the bandwidth issues; doesn't affect my home connection much, and doesn't affect my server's connection at all. It's my time.
My solution? Well, I haven't found a perfect solution, but (given that bandwidth isn't my main concert) Mozilla's bayessian (sp?) filtering is working well so far. Hopefully the next major Moz release will handle this better.
Currently (1.3a) it marks SPAM as "Junk" mail automatically. After only a few days it easily recognized SPAM. After a week there have been NO false positives. After 2 weeks it seems to be dead-on accurate.
Hopefully the next Moz release will let me do more with it (such as NOT playing my "New Mail" sound, marking them read, moving them to a Junk folder, etc). So far 1.3a is showing serious promise, at least in the filtering part. It uses Bayessian filtering (based on the Plan for Spam article linked above -- a good read if you haven't seen it), and is quite good so far. I would personally be happy if, using the Mozilla current implementation, I could never see mail Mozilla sees as "Junk" mail.
My point was simply that for me, bandwidth isn't the problem -- and I run several (not open-relay) mail servers -- rather, the problem is the time I spend manually filtering SPAM from real mail (running several domains). Bayessian filtering is perfect, as it's based on the individual user. It's what got me to try Mozilla mail again in the first place (first time since M12), and already, just having it mark them as "Junk", it's saved me a ton of time.
Re:Focus (Score:4, Insightful)
Yes, but
There's an old saying that some people will buy anything. Spamming is about locating them. The rest of us get caught in the overspray.
My plan for spam (Score:3, Interesting)
Why the carrot and not the stick? Imagine spam honeypots luring the people who answer spam into giving up their credit cards and posting them publicly. Or listing names of people who visit honeypot sites like animalsexxxxxxx.com through a spam click. Make sure to report them to their employer if this is done during 9-5.
Then we'll see the obligatory news articles about hackers co-opting spam. Something tells me that all the spam marketers and companies that use spam won't be much of a problem when Joe Blow is worried about hackers and losing his job over spam.
Re:Focus (Score:3, Interesting)
It's a pyramid scheme. It's not about selling the product. It's about convincing people to pay you to sell their product through spam, to buy your address lists, or buy your spam software.
It's not about the people stupid enough to buy, it's about the people stupid enough to think "With all this spam, someone out there must be buying."
A large percentage of spam doesn't even have a valid contact address/url/phone. It's purely about claiming to prospective clients that you can deliver X messages or have Y valid addresses.
So, go ahead and convince grandma not to buy any spam prodcuts. Great. Meanwhile these guys are on a sales arms-race that will eventually render standard netmail useless.
Spam Conference... (Score:5, Insightful)
Re:Spam Conference... (Score:2)
Re:Spam Conference... (Score:5, Funny)
We'll all talk really quietly.
Re:Spam Conference... (Score:2)
What do you suggest? That we ignore a very real problem because we don't like it? Spam isn't going to go away if we pretend it doesn't exist! This conference isn't about secret techniques that spammers can't know about - it is about designing better protocals and gateways which are more immune to spam - stuff they'd learn about anyway. It's about *colaboration*, not giving out secret spam info
Re:Spam Conference... (Score:2)
Think about it -- this is exactly the same argument that favors open source software over proprietary equivalents. "With enough eyes all bugs/security holes are shallow." Without exposure to real life spam & spammers, how is anyone ever going to know if new techniques work? If the conference is attended by both pro- and anti- spam advocates, we'll all get to the meat of the issues that much faster -- you might as well be confronted with the problems while a bunch of experts are in the same room to hash out a solution...
Re:Spam Conference... (Score:2, Interesting)
Re:Spam Conference... (Score:2)
A lot of anti spam tools are already open source for easy dissection. Besides, a good anti spam routine should be the same as strong encryption: A knowledge of exactly how it works should only prove that there is no optimised, 'most efficient' attack.
Until anti spam techniques reach this level (bayesian filters like in the new mozilla, perhaps?) then we will be on the defence.
Re:Spam Conference... (Score:2)
Let them attend. The only real solution is one that even if they are fully aware they still can't do anything about it.
Prevent SPAM instead of trying to deal with it.... (Score:5, Insightful)
Re:Prevent SPAM instead of trying to deal with it. (Score:3, Informative)
I've been promoting this notion for a couple years at least, while at the same time offering a spam filtering tutorial for Pegasus users [just-stuart.com]. I've seen others also promoting the same general concept, sometimes with more details. However...
To see this happen, somebody needs to do it rather than talking about it. A technical demonstration, at the very least. And if I'm missing something and there's something like this in the works, it needs publicity, development support, testing, etc. to take it "out of the lab" and moving toward common use.
Re:Prevent SPAM instead of trying to deal with it. (Score:2)
Re:Prevent SPAM instead of trying to deal with it. (Score:3, Interesting)
Not true. The simplest solution is economic. If raise the cost of sending e-mail by as little as one penny / thousand e-mails, most spam becomes uneconomical. Poof, the spammers go out of business.
Re:Prevent SPAM instead of trying to deal with it. (Score:2)
How about just properly configuring the existing mailservers?
The hijacking problem is mainly with mail servers misconfigured as open relays.
No switchover needed.
As was pointed out in the last round of spam-article comments, you can't eliminate the header-forging problem, as at some point you have to trust the server that's supplying you with mail. So a new scheme would not help with this.
In summary, I don't see how switching to a new scheme would help.
Re:Prevent SPAM instead of trying to deal with it. (Score:2)
The problem with this is twofold: First, you're going to have a very difficult time getting people to agree on trustworthy sources, and second, you get the same problem as we have with DNS - the people who hold the keys have far too much power.
And unless all servers on the planet agree on a set of athentication servers, you'll still be able to inject spam into the system from remote relays (c.f. the china problem right now).
I'm not convinced this approach is practical. It's great in principle; I just don't think any likely implementation would work very well.
Re:Prevent SPAM instead of trying to deal with it. (Score:2)
Re:Prevent SPAM instead of trying to deal with it. (Score:2)
Take a look at DJB's im2000 concept
http://cr.yp.to/im2000.html
LL
Re:Prevent SPAM instead of trying to deal with it. (Score:3, Insightful)
An Anti-Spam Solution? (Score:4, Funny)
Re:An Anti-Spam Solution? (Score:3, Funny)
Elementary Physics (Score:2)
The only spam conference needed... (Score:5, Funny)
OK, maybe it wouldn't solve the problem, but it would make great reality TV. Wouldn't you rather watch a spammer get lynched than sit through yet another gold digger beauty pageant on FOX?
where have i seen this before (Score:3, Informative)
could it be here?? here? [slashdot.org]
oh well since it's about spam only makes sense to post it more than once.Register for the conference.... via email? (Score:4, Funny)
Re:Register for the conference.... via email? (Score:2)
My spam solution (Score:4, Informative)
Re:My spam solution (Score:2)
I've been using it for 2 months
How to End Spam in Four Easy Steps (Score:5, Funny)
2. Fly a C130 "Ghost" Gunship over their house.
3. Open Fire.
4. Enjoy "Miller" brand beer in a Spam Free world.
Re:How to End Spam in Four Easy Steps (Score:2)
1. Not sure 'beer' should be associated with Miller.
2. Not sure enjoyment of Miller is possible when used as a beverage.
3. Though maybe possible for washing hair.
Re:How to End Spam in Four Easy Steps (Score:2)
What's so difficult? (Score:2)
And people are spending millions to block spam and worms why?
Re:What's so difficult? (Score:2)
If you propose to include your magic word in slashdot programs, the spammers will soon write scripts to find such magic words and spam you anyway.
Don't underestimate the intelligence of the enemy. For example, does not currently parse base64-encoded MIME attachments, so suddenly spammers are all base64-encoding their spam. [sourceforge.net]
Re:What's so difficult? (Score:2)
It would be far easier for spamers to work around slashdot's e-mail obfustication than for them to pull one word out of a sig.
There really is no way speammers can get around this one... Which is in stark contrast to EVERY OTHER SPAM FILTERING OPTION.
Re:What's so difficult? (Score:2)
And sure, this _might_ require hacking into some high-security NOC. On the other hand, it might just be a simple dns poisoning attack and a rogue smtp server that forwards mail after altering it.
Ultimately no victory against spam can be had until we have one of:
1: Fundamental change to how SMTP/e-mail works, and get everyone to switch (unlikely).
2: Grassroots movement to boycott the businesses that profit from spam, to the point of putting them out of business. (unlikely until _everyone_ is 'online' and disgusted with spam)
3: New legislation that causes massive fines for businesses that profit from spam. (unlikely in the U.S. given the political corruption we suffer from).
4: Vigilante gangs rampaging through businesses that profit from spam, lynching spammers (or at least giving them a good thrashing), and massive correctly targeted cracking attacks against their computer systems.
Re:What's so difficult? (Score:2)
These types of attacks you mention have far more serious implications than the ability to read your e-mail. If someone could accomplish them, they would already be doing so.
1. There's nothing wrong with SMTP (when it comes to spam)
2. So competitors can spend out loads of spam under the guise of their own competitor, and get record business.
3. There are enough laws. And they don't help when anyone can route their traffic through anonymous proxies, and send it from out of the country.
4. Sounds like fun, but not too likely.
Re:What's so difficult? (Score:2)
As soon as a significant number of people are filtering their e-mail, spam will stop outright. And THAT really would reduce traffic.
Re:What's so difficult? (Score:2)
It CAN'T be stopped, PERIOD, and I don't know why people keep saying that... You must not be thinking about it. There is no way for them to harvest the shared word. With an e-mail address, it has a standard form "user@host.domain" that is easy to pick out. A shared word looks like any other word in a message. There is no one way everyone will tell it to each other, so there's no reliable way to get around it.
In addition, most spam you get, is a result of spamers guessing usernames at popular domains (hotmail.com). So anything that requires just a bit more than a username to send mail will stop most spam.
Whitelists won't work, as the spammers can just spoof the source address to something most people will subscribe to (eg. daily dilbert), or possibly the users' own address. Filters don't work, as a spammer can generate a completely different piece of mail for each user if they needed to.
Nothing else works. This is bullet-proof.
Darn (Score:4, Funny)
Then we could destroy them all in one place.
Finally a cause the entire internet community could rally around.
Re:Darn Indeed! (Score:2)
Cloudmark SpamNet DOES work... (Score:2, Informative)
www.cloudmark.com [cloudmark.com]
It uses a moderation system not dissimilar to Slashdot (but maybe without the weird 2+2=5 maths) and in my experience DOES work. YMMV. I've yet to have it filter a legitimate message, and it picks up about 70% of spam into my Inbox...
Re:Cloudmark SpamNet DOES work... (Score:2)
Their plugin actually uses an open source project, Razor - it's quite good, except for legitimate mass mailings (for some reason, it always filters Amazon.com stuff - I'm an affiliate, I need that! - and my Daily Dilbert... most likely someone signed up, forgot they did, and keeps blocking it... grr)
Re:Cloudmark SpamNet DOES work... (Score:2)
Still, I think there is a much brighter future in this model than the RBL model.
ostiguy
Re:Cloudmark SpamNet DOES work... (Score:2)
This is why I like Bayesian filtering, as it's completely user-dependant. Meaning each user defines what he/she defines as "Junk".
I use Yahoo mail, and it's "Bulk Mail" filtering uses BrightMail. It blocks all mailings from RedHat -- ones I signed up for -- and yet lets mail from "notifications@mailsweeps.com" through.
Mozilla mail, OTOH (version 1.3a) with Bayesian filtering has been flawless. The first few days I tried it, it had a few false positives. After a week, no false positives but a couple missed SPAMs. Now (a month later) it seems to be about 100% accurate. Because it learns what *I* consider to be SPAM, and only I.
It's so simple it's pathetic. See the "Plan for Spam" link, it's a good read if you haven't read it. Now, hopefully the next Moz release will actually mark the Spam as "read", and move it to a "Junk" folder (now it only marks it as Junk -- it still plays the new mail notification, etc). I would trust it to move my SPAM to a Junk folder, where perhaps once a day I would verifiy that no false positives were found. After a while, I'd probably just trust it's judgement.
Key being that it's based on *you* -- it finds word patterns in what you consider to be SPAM, and bases it on noone else's judgement; it's completely personalized, and IMO the only solution (as far as client-side filtering goes anyway). For me, it's the solution I've been looking for. Now I just hope the Moz team completes the feature nicely (which I trust they will).
Re:Cloudmark SpamNet DOES work... (Score:2)
I don't trust any serivce that requires lists like this - they're open to corruption and mistakes.
Use something like spambayes [sf.net] an open-source bayesian spam filter that allows you to define what is and isn't spam.
Great for Spammers... (Score:3, Insightful)
Pretty useless for spammers. (Score:2)
How would this help them? People have known how the RBL, for instance, works for years, and yet it's still quite effective.
Likewise, filtering based on content still works despite being around for a while because spam mails
In summary, I don't see what they'd learn that would be of use to them.
Trusted mail servers and TLS (Score:5, Informative)
One approach would be to use TLS with certificates signed by trusted anti-spam certification agents, and give TLS mail priority over plain-old cleartext SMTP.
Basically, nearly all current anti-spam techniques (one exception being whitelisting) work on the concept of "marking down" certain messages or sending hosts as being less trusted. Our goal is to use TLS and other approaches to apply the concept of "elevating trust", of elevating the trust level of certain hosts and messages.
They should probably call it.. (Score:2)
Poster child (Score:2)
I use popfile (Score:2)
Re:I use popfile (Score:2)
Actually I thought of a better thing to do:
Whenever I get a spam where they have some sort on 'confirmation tag' in it using a URL with my e-mail address, I extract it, change my address to uce@ftc.gov (which is the FTC's spam collection address) and THEN load it in my browser.
Basically I am getting the automated system to send spam to the authorities.
Round 2? (Score:2)
Get out those AOL CDs and bags of dog poo! [slashdot.org]
hehe...
Happy New Year Ralsky.
I would watch out (Score:2)
Re:I would watch out (Score:2)
Things that make you go "Hmmm." (Score:2)
For which they want your email address--and add that it shouldn't be too heavily shielded against spam. Hmmm....
Chris Mattern
Semi-off-topic: best Bayesian filter for Outlook? (Score:2)
Can anyone recommend a Bayesian Spam filter that (a) works with Outlook and Outlook Express, (b) is dead simple to install and use, and (c) works really well? I'd love to be able to point them at a URL.
Re:Semi-off-topic: best Bayesian filter for Outloo (Score:2)
Re:Semi-off-topic: best Bayesian filter for Outloo (Score:2)
I transfered over to the alpha recently, loving it so far.
Re:Semi-off-topic: best Bayesian filter for Outloo (Score:2, Informative)
http://spambayes.sourceforge.net/applications.h
Re:Semi-off-topic: best Bayesian filter for Outloo (Score:2)
Spam Conference vs. Conference Spam (Score:2)
Well, the first test [slashdot.org] message worked, and so did this second one. Now we'll get thousands of attendees for the Spam Workshop, using the time-tested approach of automatically posting an announcement in a public forum every few days. If only there was a reg fee --- $$$ Profit!
E-mail needs tough love (Score:3, Interesting)
SMTP needs to go cold turkey. Someone writes out a new spec, that specifically doesn't hook into existing SMTP. Jam in whatever you need to eliminate the problem (whatever that would be, I don't have a proposal for that).
Then you say "After Jan 20th 2003, we will no longer accept SMTP mail, you must have l33tSMTP (or whatever). If you want to continue to send us email you must install a l33tSMTP server"
Then of course, you need the 'critical mass' factor. You have to have a bunch of the major players (AOL?) actaully agree to go along with this. Since if only a handful of sites install l33tSMTP then it'll be about as useful as AlterNIC.
Then you sit back and wait for the bitching. Lots of people will whine and whine and whine, and you tell them "Too fuckin bad, upgrade or be lost".
Then, backbone providers start rejecting SMTP traffic. "Sorry, no more SMTP, you must send all your mail l33tSMTP to travel on our backbone".
It'll really hurt, and in the end things will be fixed. Then in a year's time we'll all look back on this and laugh and say "ha ha, remember when hotmail refused to upgrade? Where are they now? ha ha".
Now if we could clean up USENET too.
Don'ta rewrite - enhance (Score:3, Informative)
There's no point in rewriting SMTP. Spam is not a technical problem. It's a content problem.
Actually there's a pretty simple way to eliminate spamming. Just add spam detection rules to mail servers. Then make sure every spam message takes 5 seconds to send or receive.
This way legitimate mail is not harmed and even spam gets delivered. However, it takes ages to send a million spam messages -> less spam -> no profit for spammers.
slightly OT-postini spam relay (Score:3, Interesting)
According to the website, postini is a spam filtering company. Doesn't it seem a little bit strange that they'd host a spam relay? Exodus (postini's primary provider) doesn't seem to care too much, since postini is a well to do business. Postini sends an automated response that says "this message is only passing through postini's mailserver. it's not our problem". My first thought would be that postini is running open mail relays as a form of gaurilla advertising to spam busters, but it seems a little bit far fetched. I don't keep a list of addresses or domains, but postini is the only one that i've noticed for about a month that keeps reacuring.Is this sort of thing normal?
It's probably a "Joe Job" (Score:2)
Some spammers have realized that the outrage that follows their mailings is a resource that they can use against their enemies.
They do this by forging the headers in such a way that it appears that a "white hat" has actually been responsible for the spam in some way.
Then when the zealous, but unsuspecting user examines the headers, they end up directing their perfectly understandable opprobrium towards the spammer's enemies (anti-spam groups and companies, usually) instead of the spammer themselves.
It's called a "Joe Job" and it's the new price of admission for anti-spam activists.
How I got rid of spam: (Score:2)
If you email me, and you're not in my whitelist, you get a message from my "secretary" asking you to confirm your email address. If you're a spammer, you never see that message. If you're a human being, you either reply to the confirmation request (if the message was important) or you ignore it (if the message wasn't important, in which case I'm happy not to hear from you).
The only problem is those damn Nigerian bank scammers. They actually read their replies. i've heard from two of them in the six or seven months I've been running this whitelist contraption.
But anyhow, spam is no longer the annoyance it once was. I still look forward to strong laws against spam, because I know my bandwidth is being wasted (and other peoples' too), but at least I don't have to see it.
I used to look down on the whitelist approach, because in a sense it is admitting defeat - they're still out there burning up bandwidth, and this doesn't help catch them. But, I'm so glad to be free of spam... Every time I check my email and find no spam, it feels like victory. For me, the great annoyance of time wasted dealing with spam far outweighs the minor inconvenience of increased bandwidth consumption.
Y'all can play games with spam and spammers if you want to, but for me, for now, it's yesterday's problem.
Re:How I got rid of spam: (Score:2)
First, the human problem: When one bit of spam gets through the whitelist, the spam victim removes the 'from' address from the whitelist, and the spammer needs to find or create a new whitelisted address for each of the million+ target addresses. It wouldn't be enough to sell CDs with millions of addresses, they would need to be address pairs (one target address, one or more whitelisted 'from' address). While destination email addresses are long-lived, the whitelisted addresses would be shortlived and all but useless.
Then there's the technical problem: most spam is sent with a single 'from' address and multiple 'rcpt to' addresses. This is how relay abuse gets done - the message data gets transmitted once (or relatively few times) with MANY recipient addresses, so as to reduce the spammer's need for bandwidth. (It fucks over the relay owner, but who do spammers care?) Sending large amounts of spam with from addresses customized on a per-recipient basis would require spammers to acquire and maintain huge amounts of bandwidth - an amount roughly equal to the amount that they currently steal. Possible, but unlikely.
Call it "fundamentally broken" if you wish, but the bottom line is the signal:noise ratio in my inbox... it's approaching NaN. That makes me happy.
Yes, spammers can pretend to be whoever they want, but that takes work, and spammers and fundamentally lazy, so I'm not worried.
If whitelisting catches on in a very big way, spammers might start working on ways to get around it, and if they have any significant success I will to what it takes to stay one step ahead of them in the inbox arms race. But if whitelisting doesn't, spammers won't, and I'll continue to ignore the spam problem while I enjoy my spam-free inbox.
Spam, New England style (Score:2)
Cradle of revolution
All spam overboard
What? No One from Hormel? (Score:2)
Regardless of what you think of Spam, someones eating those 6 BILLION cans they have produced since 1937.
Spamprobe. (Score:2)
I've installed 3 weeks ago, and only 1 spam went through, and I've got only 1 false positive, out of over 700 messages received in that time.
Re:SpamAssassin (Score:2, Insightful)
Re: (Score:2)
Re:Repost? (Score:3, Informative)
The Problem (Score:2)
The best way to deal with spam is technological - Bayesian spam filters, stuff like that.
Re:Our only hope (Score:2)
better to use something like spambayes [sf.net] that learns from your actions and doesn't depend on external decisions, corruption and mistakes.
Bad idea (Score:2)
Re:Bad idea (Score:2)
Not necessarily. They could take a big list of people's names, suffix them with "@aol.com", "@msn.com", "@yahoo,com", etc. and test them against the database. Trying variations on names is also cheap. It's just like a dictionary attack on encrypted passwords, only easier.
But nobody will do this, because the database is dinky and nobody cares about it. The DMA has an opt-out database for spam by DMA members, and that actually gets used.