(Data Query Service)
(DNS Firewall)
(IP & Domain Intelligence)
Query the legacy DNSBLs via Korea Telecom? Move to Spamhaus Technology’s free Data Query Service
If you're using the free legacy DNS Blocklists (DNSBLs) through the Public Mirrors while running on Korea Telecom’s infrastructure, you'll need to make a few small adjustments to your email setup. These changes are simple to apply, but if you don’t take action, you risk having some - or even all - of your email blocked after September 17th, 2025!
Mail relays - Part 2 | Problems with forwarded mail?
Forwarded mail can be more trouble than it’s worth - especially when it’s done without checks, validation, or spam filtering. Typos, unintended recipients, and forged senders can quickly snowball into blocklistings and delivery failures. In part two of this quick series on mail relays, we dive into the mess forwarding can cause, and what you can do to avoid it.
Mail relays - Part 1 | Authenticate your outgoing mail!
Email authentication used to be something only big players worried about. Not anymore. While small senders may not feel the heat yet, it’s only a matter of time before it reaches them. In this blog, we explore how authentication can be implemented at the relay level to improve deliverability, prevent abuse, and get ahead. Let’s start with a look at what this means.
Query the legacy DNSBLs via Microsoft? Move to Spamhaus Technology’s free Data Query Service
If you're using the free legacy DNS Blocklists (DNSBLs) through the Public Mirrors while running on Microsoft’s infrastructure, you'll need to make a few small adjustments to your email setup. These changes are simple to apply, but if you don’t take action, you risk having some - or even all - of your email blocked after April 9, 2025!
If you query the legacy DNSBLs via Hetzner move to Spamhaus Technology’s free Data Query Service
Currently accessing the free legacy DNS Blocklists (DNSBLs) via the Public Mirrors, and using Hetzner's network? You'll need to make some minor changes to your email infrastructure. The changes are simple to implement, but if you fail to do so, you could find that at some point post-February 19th 2025, all or none of your email is blocked!
Truffe via PEC - Far perdere tempo e denaro alle aziende italiane
In questo articolo condividiamo un caso dove dei criminali hanno utilizzato delle credenziali rubate ad un ignaro imprenditore per spedire centinaia di PEC malevoli ad altrettanto ignari altri utilizzatori di PEC, causando un notevole dispendio di tempo e denaro, ed analizziamo i rischi della proposta portata avanti dalla UE per una PEC europea.
PEC “invoice scam” - Stealing time, money, and trust from businesses
PEC stands for “Posta Elettronica Certificata” - a type of legally binding “certified email” used in Italy. It's also a hub of abuse targeting business owners. In this article, we share a real-life case of criminals stealing PEC credentials to send malicious emails, causing significant loss of time and money, and explore the risks of a proposed European PEC system.
Avoiding Blocklistings: Part 3 - Take Matters into Your Own Hands to Protect Your Senders
Welcome back to the final instalment of our three-part series, where Lauren Meyer, CMO at SocketLabs, shares her top strategies for avoiding block listings. In Part 3, Lauren explores the proactive steps YOU can take to help senders avoid blocklistings.
Avoiding Blocklistings: Part 2 - Monitor and Educate Your Customers
Welcome back to Part 2 of our three-part series, where Lauren Meyer, CMO at SocketLabs, shares her top strategies for avoiding block listings. In Part 2, Lauren dives into how you can proactively monitor activity and educate your customers to become top senders!
Avoiding Blocklistings: Part 1 - Set Yourself AND Your Senders Up for Success
Building on the success of our popular LinkedIn Live with Melinda Plemel and Lauren Meyer, CMO at SocketLabs, Lauren has generously shared her top strategies for avoiding block listings in this three-part blog series.
Spamhaus Deliverability Live (Ep9) - Five essential steps for every ESP to avoid blocklists
It's time for the Spamhaus Deliverability Live ep9: "Blockbusters: Five essential steps for every ESP to avoid blocklists." Lauren and Mel share all in this 15-minute deliverability fix, packed with expert insights to keep your customers on track and stay out of blocklists!
A misuse of Spamhaus blocklists: PART 2 - How to limit outbound spam
If you’ve skipped the first part of this series, we strongly recommend you go and read this blog first (link below), to understand the misuse of Spamhaus blocklists to block outbound mail. However, if you provide a mail service and want to learn specifically how to limit your outbound spam, read on.
A misuse of Spamhaus blocklists: PART 1 - blocking outbound email
One issue our folks handling tickets submitted by blocked users experience are messages like: Help! My IP is listed by Spamhaus and now I can’t send emails! My provider is rejecting all my emails! You may be asking “Is this not exactly what is supposed to happen in case of a listing?”. Surprising, the answer is “No, it is not!” This is a misuse of our blocklists
If you query the legacy DNSBLs via GoDaddy move to Spamhaus Technology’s free Data Query Service
Currently accessing the free legacy DNS Blocklists (DNSBLs) via the Public Mirrors, and using GoDaddy's network? You'll need to make some minor changes to your email infrastructure. The changes are simple to implement, but if you fail to do so, you could find that at some point post-September 26th 2024, all or none of your email is blocked!
The Policy Blocklist: what is it, and why should you be on it?
It’s not always "bad" to be listed on one of Spamhaus' DNS Blocklists. Despite what you may think, there is one list you may want to be on: the Policy Blocklist (PBL). Want to know more? Let's dive into the PBL, what it is, how it works, and how it affects users. Whether you're an Internet Service Provider (ISP) or an end user, find out everything you need to know.
