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antispam SpamAssassin is back

The SpamAssassin 3.4.2 release was the first from that project in well over three years. At the 2018 Open Source Summit Europe, Giovanni Bechis talked about that release and those that will be coming in the near future. It would seem that, after an extended period of quiet, the SpamAssassin project is back and has rededicated itself to the task of keeping junk out of our inboxes. [more]
lwn.net    Spam, Deliverability

antispam Hacking Gmail’s UX with "From" Fields – Another Phishing Vector

Tricksy From Field. As you might see in the above screenshot there are two emails in the Sent folder despite them being addressed to and received by account holder. We double checked the email headers to see if what we saw in the displayed From/To fields was correct, and as you can see in the screenshots the “From” field has a weird structure: [...] [more]
ycombinator.com    Study

antispam What do Postmasters see daily?

Some common questions Postmasters field from senders are, “What happens to all the Postmaster tickets we submit? Does anyone look at them? What’s even going on there?” Before coming to 250ok, I worked as an AOL Postmaster. So in short, I know some stuff, and I’m happy to share what I can. So, we could go straight to the short answer, but… what’s the fun in that? Instead, let’s go on a journey together. Let’s start by getting a better understanding of what’s going on at the Postmaster. Even though [...] [more]
250ok.com    Spam, Deliverability

antispam Check your abuse addresses

Even if you have excellent policies and an effective, empowered enforcement team you can still have technical problems that can cause you to drop abuse mail, and so lose the opportunity to get a [...] [more]
wordtothewise.com    Spam

antispam Kurz erklärt: Brand Indicators for Message Identification

Phishing beschäftigt seit Jahren die IT-Branche und die Anwender. Ein Verfahren namens BIMI soll die Lage verbessern, indem authentifizierte Nachrichten ein verifiziertes Logo erhalten. Zum Verifizieren von E-Mail-Absendern gibt es seit Jahren ein ganzes Rahmenwerk. Doch weder „Domain-based Message Authentication, Reporting and Conformance“ noch die zugrunde liegenden Verfahren DomainKeys und Sender Policy Framework (SPF) verhindern Phishing-Versuche, wenn die Täter eigene Domains einrichten, die [...] [more]
heise.de    From, Spam

antispam DMARC adoption rates very low across most industries.

This year, we made it a priority to analyze the adoption of Domain-based Message Authentication, Reporting & Conformance (DMARC) in industries using email as a key means of communication and business growth. We looked at the domains of the SaaS 1000, top law firms, nonprofit organizations (NPOs), higher education institutions, top Chinese brands, and e-retailers to better understand how seriously they take email authentication. Unfortunately, not one industry reviewed had even a 50% adoption rate, [...] [more]
250ok.com    Spam, Study, Deliverability

antispam Google moves gmail.com to "quarantine" DMARC policy (for subdomains)

Gmail warned us that a more restrictive DMARC policy was coming, didn't they? That warning came all the way back in 2015. They said that "p=reject" was coming. Maybe it still is -- we're not there yet, but this appears to be a step in the right direction. Today's update: For subdomains under gmail.com and googlemail.com, they've implemented a "quarantine" DMARC policy. [...] [more]
spamresource.com    Spam

antispam Minimal DMARC

What if your recipients have been happily forwarding the mail you send to them to internal mailing lists and alternate accounts and so on for decades? And that forwarding is the sort that’s likely to break DKIM signatures as well as break SPF? And while everyone would advise you not to deploy DMARC p=reject, or at least to roll it out very slowly and carefully with a long monitoring period where you watch what happens with p-none, you have to deploy p=reject real soon now? [...] [more]
wordtothewise.com    Spam, Deliverability

antispam How Apple's DMARC Changes Affect Email Senders

Domain-based Message Authentication, Reporting, and Conformance, otherwise known as DMARC, is a protocol and best practice for email deliverability that continues to grow within the email marketing world. Email mailbox providers continue to update their DMARC policies and we want to make sure email senders are aware of these changes and what it means for their programs. Yahoo and other inbox providers have done it previously, and Apple is the most recent inbox to take this step. This update it one of [...] [more]
sendgrid.com    Spam, Deliverability

antispam DKIM: Using Cryptography to Protect Your Brand From Fraud

Have you ever received an email that appeared to come from your bank, colleague, or company you've done business with, only to discover that it was spam? Even to the most discerning eyes, some of these fraudulent emails can look nearly identical to their genuine counterparts. For cybercriminals, masquerading as recognizable individuals and organizations is a tactic that makes profiteering from email scams a very lucrative venture. [...] [more]
aweber.com    Spam, Deliverability

antispam Four cents to deanonymize: Companies reverse hashed email addresses

Datafinder – Reverse email hashes for $0.04 per email: Datafinder, a company that combines online and offline consumer data, charges $0.04 per email to reverse hashed email addresses. The company promises 70% recovery rate and for a nominal fee will provide additional information along with the reversed email, including: name, address, city, state, zip and phone number. Datafinder is accredited by Better Business Bureau with an A+ rating, and its clients include T-Mobile. [...] [more]
freedom-to-tinker.com    Law, Spam

antispam Exploiting Browsers' Autofill Feature to Steal Email Addresses

Researchers at Princeton have discovered a pair of marketing firms using a browser exploit to steal email addresses across 1,100 different websites. [...] [more]
thesslstore.com    Listbuilding, Spam

antispam Is Email Tracking The Next Big Privacy Concern?

Wired magazine has come out with a damning piece on a widely used but little studied email capability: Tracking. Author Brian Merchant subscribed to the tracking service Streak, and was astounded when it told him when an email he sent was opened, and on what kind of device. "I glanced at my inbox, privy to details that gave me maybe a little too much information," he writes. [...] [more]
mediapost.com    Law, Spam

antispam How Email Open Tracking Quietly Took Over the Web

"I just came across this email," began the message, a long overdue reply. But I knew the sender was lying. He’d opened my email nearly six months ago. On a Mac. In Palo Alto. At night. I knew this because I was running the email tracking service Streak, which notified me as soon as my message had been opened. It told me where, when, and on what kind of device it was read. With Streak enabled, I felt like an inside trader whenever I glanced at my inbox, privy to details that gave me maybe a little too [...] [more]
wired.com    Spam

antispam Blogpost: Privacy implications of email tracking

What happens when you open an email and allow it to display embedded images and pixels? You may expect the sender to learn that you’ve read the email, and which device you used to read it. But in a new paper we find that privacy risks of email tracking extend far beyond senders knowing when emails are viewed. Opening an email can trigger requests to tens of third parties, and many of these requests contain your email address. This allows those third parties to track you across the web and connect you [...] [more]
freedom-to-tinker.com    Spam, Study
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