blocklist
Spamhaus Releases Sender Guidelines
While dozens of blocklists have faded into history or irrelevance over the past 25+ years, Spamhaus remains the heavyweight when it comes to...
Topic
spamhaus
2025
Does Spamhaus matter today?
Short answer: Yes. Longer answer: Still yes, and here's why. Spamhaus. If you're in the business of sending email, you've probab...
andrew barrett
Talking Spamhaus with Andrew Barrett
Last week for my Valimail "Ask Al" video series, I interviewed Andrew Barrett as Spamhaus. Following up on a prior video where the...
alison gootee
Spamhaus Listing Myths: Fact or Fiction?
Back in the day, people used to complain that Spamhaus never really interacted with the broader email community. And to some degree they wer...
data
Spamhaus: A new website, with new data
International anti-spam and security experts Spamhaus have been teasing the launch of their new website for a while now. And now that it...
blacklists
Spamhaus blocking queries from Digital Ocean Cloud servers
As part of their continuing efforts to lock down unrestricted public access to their reputation data, Spamhaus has announced that as of Febr...
spam reporting
Spamhaus wants your spam!
Now's your chance! Whether or not you've got your own spamtrap and data feed, or if you're just being doggedly annoyed non-stop ...
false positives
Spamhaus: False positive issue on Friday 10/13
A number of folks have reached out to me (and posted on various forums) asking about a Spamhaus glitch last Friday night (October 13th), US ...
blocklist
Spamhaus: The return of the ASN-DROP
Spamhaus just announced that they've "reinvigorated" the ASN-DROP list , now available in JSON format. The point of this whole...
css
Spamhaus glitch Friday night
Blocklist provider and master spam-filterer Spamhaus had a glitch overnight (Friday to Saturday, August 18-19) starting at about 8:20 pm US...
icymi
ICYMI: Webinar Recap: Spamhaus, Domain Reputation & More
My recent Kickbox webinar, co-hosted with Matthew Stith from Spamhaus, was a lot of fun. We talked about the history of Spamhaus, what kind ...
annalivia ford
Spamhaus Deliverability 101 eBook
Did you know? Spamhaus has a free eBook to help email marketers know how to do the right thing. With an introduction by Annalivia Ford, on...
blocklists
Webinar Alert: Me + Matthew Stith from Spamhaus
Hey, fellow email nerds! It's webinar time again. What do you know about Spamhaus ? If not everything, I hope you'll join Matthew St...
downtime
Spamhaus suffered outage; is back now
From 17:00 GMT on Feb 16th through 09:50 GMT on February 17th, spam filterer/security service Spamhaus suffered an outage that meant that ...
blocklists
Does Gmail use Spamhaus? Or any other blocklists?
This is a question I get a lot. Does Gmail use any blocklists? Or, somebody will tell me that they're having Gmail issues, and they'...
best practices
Pro-tip: Age that new domain before sending
Here’s an easy tip that I wanted to share with everyone. It’s something I knew about myself but didn’t take into consideration (I guess I go...
dns
Spamhaus is not blocking Gmail
A friend warned me of a scenario that could have the potential to freak people out, if misunderstood. It looks like this: This person is usi...
amazon
Spamhaus to block queries from AWS
Hey, email nerds! Are you like me, running various random EC2 instances with scripts or applications that do a bunch of spam and email messa...
blocklists
Spamhaus just woke up. Are you ready?
Timely! I just blogged recently talking about what you should do if you get blocklisted by Spamhaus , and now Spamhaus just posted this: Po...
kickbox
Blocklisted by Spamhaus? Here's what to do.
After finding some shockingly bad advice out there on other websites (no, I'm not the type to name and shame), I thought that it might b...