Recent Posts

dDOS spreads to the CBL

Spamhaus has mostly mitigated the dDOS against the Spamhaus website and mailserver, but now the CBL is under attack. They have been working to get that under protection as well, but it’s taking some time.
Right now there are no public channels for delisting from the CBL. The Spamhaus Blog will be updated as things change, and I’ll try and keep things updated here as well.
UPDATE: Cloudflare talks about the scope of the attack

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Mail that looks good on desktop and mobile

Over the weekend I noticed a new CSS framework aimed at email rather than web development, “Antwort“.
This isn’t the first or only framework for email content, but this one looks simple and robust, and it allows for content that doesn’t just adapt for different sized displays but looks good on all of them. The idea behind it is to divide your content into columns, magazine style, then display the columns side-by-side on desktop clients and top to bottom on mobile clients. That opens up much more interesting designs than the more common single fluid column approach.

It looks nice, it supports pretty much every interesting email client, but it also comes with some directions based on real world experience.

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Spamhaus under major dDOS

Late last night I, and a number of other folks, received mail from Spamhaus informing us of a major denial of service attack against their servers. The attack is so bad that the website and main mailserver is currently offline.
DNS services, including rsync and the mirrors, are up and running.
Spamhaus is working to bring the mailserver and website back up, and are hoping to have it up later today.
If there are any critical or particularly urgent SBL issues today, contact your ESP delivery team. The folks who were contacted do have an email address for urgent issues. This is not an address for routine queries, however, and most listees are going to have to wait until normal services are restored to have their listing addressed.
If there is something particularly urgent and your ESP or delivery team does not have a contact address, you can contact me an I can see what I can do.
UPDATE: Most of the IPs people have sent me are actually XBL/CBL listings. But right now the CBL webserver is responding slowly due to the DOS.
If you want to look up a listing without using the Spamhaus website you can use the “host” or “dig” command line tools. To do this reverse the digits in the IP address and append zen.spamhaus.org on the end.
So for the IP 10.11.12.13 you would query 13.12.11.10.zen.spamhaus.org

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No room for cowards

Brian Krebs was the keynote speaker at a MAAWG meeting a few years ago. He is a tech journalist that knows and understands the dark underworld of online crime. Yesterday, his website was taken down by a dDOS attack and the Fairfax County SWAT team was called to his house by someone.
Brian does work that is risky. His contributions to what we know about online crime are extremely valuable.
His post talking about what happened yesterday is well worth reading.
ETA: The ArsTechnica article on the event.

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Bad Neighborhoods on the Internet

Of the 42,000 Internet Service Providers (ISPs) surveyed, just 20 were found to be responsible for nearly half of all the internet addresses that send spam.

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Network World on Spamhaus

Spamhaus warns marketers to keep email databases tidy

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Hear me talk about improving delivery

Tom Sather (ReturnPath) and I will be speaking on Thursday at a webinar hosted by the Association of Business and Media Companies.
How to Boost Email Marketing Response Rates

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Logging in to unsubscribe

I have been talking with a company about their unsubscribe process and their placement of all email preferences behind an account login. In the process, I found a number of extremely useful links about the requirements.
The short version is: under the 2008 FTC rulemaking senders cannot require any information other than an email address and an email preference to opt-out of mail. That means senders can’t charge a fee, they can’t ask for personal information and they can’t require a password or a login to unsubscribe.
I’ve talked about requiring a login to unsubscribe in the past here on the Word to the Wise blog.
Let them go
Questions about CAN SPAM
One click, two click, red click, blue click
How not to handle unsubscribes
I’m not the only person, though, that’s written about this.
The FTC has written about it in the FTC CAN SPAM Compliance Guide for business

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Social invading everything

I discovered, inadvertently, that there is a business networking site modeled after dating site. If you’re selling something you go on the site and register as a seller. If you’re buying something you go on the site and register as a buyer. Buyers can post RFIs and sellers can respond.
Decent enough business model, they’ve even fleshed it out so the site itself acts as an invoicing and billing mechanism.
That’s how I discovered it, one of our very large international telco customers decided they wanted to use this site for billing. Many large telcos expect vendors to use their proprietary site, so I wasn’t that surprised when they asked. And, given they’re international being able to bill them electronically just means I don’t have to remember to use the international stamps.
At the behest of our customer, I signed up at the website. It’s like most social networking sites, create a profile, categorize yourself, make everything public. The thing is, I don’t want to use this site to find new customers. I am just using it because one of my current customers is expecting it. Don’t get me wrong, Abacus is a great product and our customers are extremely happy with it, but it’s pretty niche. It’s not something that’s going to be searched for on a generic website.
I thought that when I set my profile to private that would be some sort of signal to keep me out of the main directory of the site. This morning I realized that wasn’t true when I got a bunch of emails telling me about all these companies looking for “business software” (the closest category I could find).
Getting a bunch of irrelevant mail was annoying enough. Even worse, there was no unsub link in the email. Eventually, I discovered an entire page of email options that were not made clear to me up front. I also sent mail to support and suggested that they talk to their lawyers to clarify whether their opt-out option was consistent with CAN SPAM. I’m pretty sure it doesn’t, but I am not a lawyer.
To the company’s credit, they did have good support and my questions through support were answered in a timely fashion. One of their support reps even called me on the phone to clarify what it was that I wanted to happen and walk me through their email options. She was very upfront about yes, they opted everyone in to all the mail at the very beginning of the process. “We’re like match.com for businesses!”
I’m sure there are some businesses that will find this service to be great. But it’s not what I want or need. Despite the fact that their support was so helpful, I don’t have a great feeling about this company. It seems a bit dishonest that I thought I was signing up for a billing portal, but was actually joining “match.com for businesses. Why couldn’t they make that clear in the 7 emails in 2 days “inviting” me to sign up?
I know I’m a little more sensitive to bad mailing processes than most people, but this was quite an unpleasant experience from the multiple identical emails and reminders before I signed up to the irrelevant stuff I got afterwards.

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The 5 stages of a Spamhaus listing

Courtesy of Spencer over at Experian.
The 5 Stages of Recovery

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