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...
Topic
dnsbls
alison gootee
Alison Gootee: Understanding Blocklists
Do blocklists matter? Are you going to have deliverability troubles if your sending IP address is on a blocklists? It's a complex questi...
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...
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...
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...
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'...
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...
dnsbls
HOWTO: Query Spamhaus Safely
You'll recall me warning recently that using Spamhaus data to protect your mail server is a bad idea if you're using open or public ...
bad ideas
Be careful: Using Spamhaus with open resolvers is bad news
Do you use any of the Spamhaus blocking lists (DNSBLs) to protect yourself from inbound spam and email threats? If so, you're not alone....
abusix
Abusix: 8 ways on how ESPs and DNSBL providers can collaborate better
Steve Freegard, Sr. Product Owner Abusix Intelligence recently shared his thoughts on how ESPs can better position themselves with regard to...
blocklists
Spamhaus warns: Watch for new (error) response codes
Anti-spam blocking list group Spamhaus is warning that come March 2021, they will begin implementation of new error codes (DNSBL lookup resp...
dnsbl
Spamcop glitch over the weekend; since fixed
The Cisco-owned Spamcop.net spam reporting and blocking list service ran into a bit of trouble this weekend as their "spamcop.net...
dead dnsbls
Lashback UBL blocklist: OFFLINE
LashBack's unsubscribe blacklist (" UBL "), as described by its publisher "is a unique, real-time blacklist of IP address...
blocklists
Need simple DNSBL/blocking list tracking?
If you need simple DNSBL blocking list (or blacklist) tracking, here's a couple of services that both seem to work well: Debouncer and ...
blocklists
Dead DNSBLs: all.rbl.webiron.net and bsb.spamlookup.net
Two anti-spam blocking lists appear to have died or malfunctioned recently. Users on the Mailop mailing list are reporting that Webiron (al...
cloudflare
Spamhaus Blocklist Changes
Speaking of Spamhaus, this just popped up in my RSS feed reader. It looks like Spamhaus is going to take a harder stance against users who ...
dead dnsbls
Another Dead DNSBL
It seems as though my website over at DNSBL.com has turned into a graveyard for dead DNSBLs. Over the past few years, I've observed mor...
dead dnsbls
RFC Ignorant Blacklist Shutting Down
One-time Yahoo administrator Derek Balling has announced that the RFC Ignorant blocking list is being shut down . This blocking list had ex...
box of meat
DNSBL Safety Report 5/14/2011
SpamTips.org, a website devoted to SpamAssassin Tips ( SpamAssassin being the wildly popular open-source spam filter) recently posted a wond...