I have gotten a lot of questions about Spamhaus since I’ve been talking about them on the blog and on various mailing lists. Those questions can be condensed and summed up into a single thought. What engagement metrics should I monitor to avoid a Spamhaus listing? First off Spamhaus doesn’t care about about engagement. Spamhaus wants you to stop mailing people who never asked to...
There’s been a lot of discussion about Spamhaus, spam traps, and blocking. Today, Spamhaus rep Denny Watson posted on the Spamhaus blog about some of the recent large retailer listings. He provides us with some very useful information about how Spamhaus works, and gives 3 case studies of recent listings specifically for transactional messages to traps. The whole thing is well worth a read...
A lot of filters started out just as filters against spam. But over the years they’ve morphed into more general blocks against dangerous or problematic email. There’s a lot of crime and bad behavior on the internet, much of it using email as a conduit or vector. Filtering is so much more than stopping spam now. It’s as much, or more, about stopping crime. Email filters are...
The NJABL blocklist has shut down for good. The zone files are empty and are expected to stay that way for a while.
Anyone using NJABL, either for yes/no delivery decisions or as part of a scoring system, should remove that blocklist from their setup.
It seems some mail to Apple’s iCloud has been caught in filters. Apparently, a few months ago someone sent a script to a iCloud user that contained the phrase “barely legal teen” and Apple’s filters ate it. The amount of hysteria that I’ve seen in some places about this, though, seems excessive. One of my favorite quotes was from MacWorld and just tells me that many...
This week’s Wednesday question comes from D. What are your thoughts on bounce handling There’s no specific standard for bounce handling as we often talk about it. While a lot of people will mention the RFCs, the RFCs only say what to do with a single email that gets a 4xy or a 5xy during the SMTP transaction. If the message gets a 5xy during the SMTP transaction, then the email MUST...
Recently, I started getting “1 sale a day!” emails from buy.com. I’ve made purchases from Buy in the past and generally have been content to get emails from them. They’re not always relevant, but hey, it’s relatively non-intrustive marketing. When they started this new program, they just started mailing: no warning, no introduction, nothing. So I decided to opt out...
Saw this on twitter today:
Oh, the irony of an append vendor using COI for a whitepaper download.
No, I don’t know the vendor. But it doesn’t really matter. A lot of the vendors don’t have very good data.
Earlier this week I was at MAAWG and one of the Earthlink postmaster folks stopped me to tell me that Earthlink was now accepting non-ISP applications to their Feedback Loop.
In order to apply for the Earthlink FBL send an email to fblrequest@abuse.earthlink.net with the IP addresses and the FBL email address.
This is an actual opt-out link that came in a recent email. Sadly, this is a real company, listed on the NYSE sent by a major ESP.
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