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Director of Product Strategy at Return Path
Joined on April 2, 2008 – United States
Total Post Views: 59,329
| About |
J.D. Falk has worked on anti-spam systems and policies for such influential companies as the original Mail Abuse Prevention System, Microsoft, and Yahoo!. As Return Path's Director of Product Strategy for Receiver Products, he now works on products and services which help a growing number of major ISPs deal with spam and related e-mail issues.
J.D. sits on the board of the Coalition Against Unsolicited Commercial Email, and is the Document Editor of the Program Committee of the Messaging Anti-Abuse Working Group (MAAWG). J.D. is also a volunteer DJ at KGNU, an independent community radio station. He lives in Denver, Colorado with his wife and a cat named Bacon.
Except where otherwise noted, all postings by J.D. Falk on CircleID are licensed under a Creative Commons License.
Google is great at generating buzz, and they've done it again with their new social vitality tool, appropriately named Google Buzz. Buzz takes all of your Gmail contacts (and presumably other connections from elsewhere within the Googleplex), and makes them all your "friends" by default; it then shares your activity from Google Reader, YouTube, and other tools with all of them, and vice versa... more»
Last week the European Network and Information Security Agency (ENISA), which assists the European Commission and its member states with network and information security issues, published its third Anti-Spam Measures Survey. The survey provides insight into how network operators in Europe are responding to the continued onslaught of email spam. more»
As announced this morning, the Messaging Anti-Abuse Working Group (MAAWG) has established formal relationships with the Internet Engineering Task Force (IETF) and the BITS/Financial Services Roundtable... It's often said that there are too many different organizations working on the overlapping areas of abuse, trust, and related issues. I believe the collaborative approach MAAWG has chosen will bridge these gaps. more»
I tend to chuckle at every new proclamation that email is dead. Google Wave won't kill it. Twitter and Facebook aren't killing it; they're using it. RSS didn't kill it. Instant messaging didn't kill it. "Push media" (remember that?) didn't kill it. AOL and Compuserve and Prodigy didn't kill it; they joined it. And before that, usenet and email lived happily side-by-side. more»
What's that we see, waving through the raindrops? Isn't email supposed to be dead? You already know I'm going to say no; as usual, once you see past the refraction and the rainbows, reality is somewhat more complicated. The recent, ongoing launch of Google Wave has almost everything we've come to expect. It begins with a slow roll-out, with people begging for invitations. Then comes the headlines proclaiming the death of email, often based on nothing more than a short preview video and someone else's interview with Wave's creators. more»
There's still a few weeks before Halloween, but have we ever got a scary story for you -- and every word of it is true. (Imagine we're sitting around a campfire, chowing down on s'mores, flashlights under our faces.) Seven years ago, on this very internet, there was a man named Matthew who was angry about spam. Now sure, there are lots of people angry about spam, and some of them are named Matthew, but this particular Matthew decided that he was going to do something about it... more»
Oh, Internet. You had such potential when you were born — darling of the research community, supported by the wealthiest military the world has ever known. And you married well, into a powerful merchant family. Why are you so lost? Is it a midlife crisis? You were born, some say, 40 years ago this week in a lab at UCLA — one of ARPA's many children. It wasn't until nearly two months later that you first spoke, transmitting the letters "L" and "O" before crashing... more»
There's a pernicious meme floating around that DomainKeys Identified Mail (DKIM) doesn't work with discussion lists, particularly those hosted on common open source software packages like MailMan. It's particularly odd to see this claim after I set it up successfully on a stock Debian server in less than half an hour, just a few weeks ago. Here's how it can, should, and does work. more»
The term "reputation hijacking" continues to spread through the anti-spam community and the press. It's intended to describe when a spammer or other bad actor uses someone else's system -- usually one of the large webmail providers -- to send their spam. The idea is that in doing so, they're hijacking the reputation of the webmail provider's IPs instead of risking the reputation of IPs under their own control. But I really have to laugh (though mostly out of sadness) whenever this technique is described as something new... more»
Throughout this series of articles we've been talking about DKIM, and what a valid DKIM signature actually means. .. What this means for senders (of any type) is that with DKIM, you’re protected. On the internet, your domain name is a statement of your brand identity – so by signing messages with DKIM, you can finally, irrevocably tie those messages to your brand. more»
Once you've determined that you can trust the signer of a message, as we discussed in part 3, it's easy to extrapolate that various portions of the message are equally trustworthy. For example, when there's a valid DKIM signature, we might assume that the From: header isn't spoofed. But in reality, DKIM only tells us two basic things... more»
Last year, MAAWG published a white paper titled Trust in Email Begins with Authentication [PDF], which explains that authentication (DKIM) is "[a] safe means of identifying a participant-such as an author or an operator of an email service" while reputation is a "means of assessing their trustworthiness."
more»In part 1, we explained that the DKIM "d=" value identifies the domain name which signed the message, which may be a different domain name from the author of the message. Tying the signing and author domains together will require an additional standard: Author Domain Signing Practices (ADSP). In IETF parlance, the "author domain" is the domain name in the From: header, so ADSP is a way for the author domain to publish a statement specifying whether any other domain name should ever sign a message purporting to be From: that author domain... more»
DomainKeys Identified Mail (DKIM) is the leading email authentication technology, supported by major ISPs including Google, AOL, and Yahoo! (who invented its predecessor), popular mail server software like Sendmail, and many of the best minds in email technology. But if you peruse the archives of the IETF DKIM mailing list, or start up a conversation at MAAWG, it might appear that there's still a lot of disagreement about what a DKIM signature actually means. more»
This week, the Internet Engineering Task Force (IETF) published a number of what they call "RFCs," which originally meant "Requests for Comment" - the standards documents which specify the technical underpinnings of the Internet. Two of these, numbered 5321> and 5322, replace earlier documents defining the very core of internet email. On the surface, each of these seem surprisingly simple... Yet without general industry-wide acceptance of (and compliance with) these standards, internet email simply would not exist. more»
If the headlines are to be believed, spam is now entirely legal in Virginia and anyone can send whatever they want without any fear of reprisal, ever. Looking beyond the headlines, it appears that the Virginia Supreme Court's ruling in AOL's case against formerly convicted spammer Jeremy Jaynes declares that the Virginia anti-spam law violates the Constitutional protection of anonymous speech, and thus is null and void. more»
There's no denying that the fight against spam attracts a lot of crazies, both pro- and anti-spam. One of the common attributes of the anti-spam kooks is that they often think in terms of somehow taking revenge against the spammers -- regardless of who else gets hurt along the way. In 2005, that revenge came in the form of BlueFrog, a service which purported to launch what can only be called denial of service attacks against spammers' web sites... This week, a company called SpamZa was hurriedly making a similar mistake... more»
There's a lot of chatter about a recent study purporting to show that 29.1% of internet users has bought something from spam. As ITWire reported, "Marshal were not only interested in how many people were purchasing from a spam source, but also what goods and services they were buying. Perhaps less surprisingly this revealed that sex and drugs sell well online." But at downloadsquad, Lee Mathews discovered the shocking truth: "the survey only involved 600 people." more»
In an article published by the Technology Liberation Front, Cato Institute adjunct scholar Tim Lee dissects a recent argument by the American Civil Liberties Union (ACLU) regarding free speech & anti-spam laws. It's been interesting to watch the ACLU wrestle with anti-spam legislation. Their entire purpose is to work through the legal system to protect our civil rights, as defined in the First Amendment -- which is why I've been a card-carrying member since before I was old enough to vote... more»
As if conversations between technologists and marketers weren't already difficult enough, it appears that the Direct Marketing Association's (DMA) Email Experience Council wants to redefine long-standardized terms such as "header" and "message." more»
Way back in 1995, Wired reporter Simson Garfinkel gave Jeff Slaton the name "Spam King." Less than a year later, Sanford Wallace earned the title -- and soon had to share it (and his upstream provider) with Walt Rines. Others have come and gone; Sanford and Walt reappear every few years, together or separately, only to be sued away again... it seems as if any spammer noticed by law enforcement is immediately crowned "the Spam King," even when there are multiple such crownings happening at the same time. more»
They say (whoever "they" are) that good things come in threes, and that certainly seems true for law enforcement against spammers this week. In New York, Adam Vitale was sentenced to 30 months in prison and ordered to pay $183,000 in restitution for a week of spamming AOL back in 2005... In Illinois, an FTC settlement requires Spear Systems and company executives Bruce Parker and Lisa Kimsey to give up $29,000, stop making "false or unsubstantiated claims about health benefits" of their products, and bars them from violating CAN-SPAM ever again... And finally, in Seattle, the Robert Soloway case continues... more»
The Messaging Anti-Abuse Working Group (MAAWG), of which Return Path (my employer) is a very active participant, met recently in Heidelberg, Germany. Among other exciting projects, they finished two new best practices documents which have been lauded in the press as a big step towards stopping botnet spam... more»
We've been wondering what e360 hoped to gain with their recent lawsuits against Spamhaus and others. If they were trying to clarify the right of ISPs to protect their users from spam, then they've certainly done a good job -- especially in this particular case. If it wasn't clear before, Judge Zagel's explanation should satisfy even the most pedantic of filtering opponents: "ISPs acting in good faith to protect their customers are not liable for blocking messages that some spammer claims are not spam..." more»
As most CAUCE supporters already know, forging 'From:' or other commonly seen email headers is trivially easy. It's one of the most frustrating oversights in the creation of Internet email technology -- though of course that's only obvious in hindsight; it was just fine for the pre-Internet networks of the late 1970s and early-mid 1980s. Since then, things have changed -- and the most interesting recent technological advancements in email have been in the realm of sender authentication, which encompasses ways to verify that the apparent sender of a message actually is the entity which sent it. more»
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