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antispam New sophisticated email-based attack from NOBELIUM

Microsoft Threat Intelligence Center (MSTIC) has uncovered a wide-scale malicious email campaign operated by NOBELIUM, the threat actor behind the attacks against SolarWinds, the SUNBURST backdoor, TEARDROP malware, GoldMax malware, and other related components. The campaign, initially observed and tracked by Microsoft since January 2021, evolved over a series of waves demonstrating significant experimentation. [...] [more]
microsoft.com    Spam

antispam How to Meet the New T-online.de Email Delivery Requirements

T-online.de, a major mailbox provider in Germany, announced significant changes to the way they accept email. Learn about the changes and how to comply. [...] [more]
sendgrid.com    Deliverability

antispam Good-bye, Blocklist Removal Center. Hello, IP and Domain Reputation Checker.

We’ve been making changes to the Blocklist Removal Center (BRC). When it was first released over a decade ago, it did its job; however, in 2021, we wanted to build a tool fit for today's audience that can be developed to deliver further insights. Here’s the first iteration on that journey – The IP and Domain Reputation Checker, https://check.spamhaus.org. [...] [more]
spamhaus.org    Tool, Deliverability

antispam Update for Composite Blocklist (CBL) Users

As of the first week of 2021, the Composite Blocklist (CBL) is being retired. This data, however, is included in the eXploits Blocklist (XBL). We advise any users currently accessing the CBL through cbl.abuseat.org to reconfigure and query xbl.spamhaus.org. [...] [more]
spamhaus.org    Spam

antispam G Suite security updates for Gmail, Meet, Chat and Admin

Support for the BIMI standard in Gmail. While we have many defenses built into Gmail, we recognize that email functions in a large, complex, interconnected ecosystem. This is why we’re working not just to keep Gmail safe, but to help keep the entire ecosystem secure. [...] [more]
google.com    Spam, Trend

antispam DANE as Basis for Secure Data Transmission of Emails [PDF]

The protection of your customer data is not only of the highest priority for you, but also for the email service provider that is sending on your behalf. Article 33 of the European General Data Protection Regulation (GDPR) stipulates what happens in the case of abreach involving personal data: In this case, the data controller (here, the companydoing the marketing) must inform the data subjects (customers whose data has been breached) [...] [more] 
certified-senders.org    Marketing

antispam M3AAWG Position on Selling Email Address Lists [PDF]

The practice of selling, buying or sending to lists of purchased email addresses – whether business to business (B2B), business to consumers (B2C) or other categories, is in direct violation of M3AAWG core values. There are many reasons why buying and selling of email address lists is an abusive practice. It leads to a high volume of non-permission based email and creates a drain on corporate resources. [...] [more] 
m3aawg.org    Listbuilding, Spam

antispam 800+ Million Emails Leaked Online by Email Verification Service

On February 25th, 2019, I discovered a non-password protected 150GB-sized MongoDB instance. This is perhaps the biggest and most comprehensive email database I have ever reported. Upon verification I was shocked at the massive number of emails that were publicly accessible for anyone with an internet connection. Some of data was much more detailed than just the email address and included personally identifiable information (PII). [...] [more]
securitydiscovery.com    Spam

antispam Spam does not bring us joy—ridding Gmail of 100 million more spam messages with TensorFlow

1.5 billion people use Gmail every month, and 5 million paying businesses use Gmail in the workplace as a part of G Suite. For consumers and businesses alike, a big part of Gmail’s draw is its built-in security protections. Good security means constantly staying ahead of threats, and our existing ML models are highly effective at doing this—in conjunction with our other protections, they help block more than 99.9 percent of spam, phishing, and malware from reaching Gmail inboxes. Just as we evolve [...] [more]
google.com    Spam

antispam Wer steckt hinter der Flut illegaler Werbemails?

Eine neue Form professionell wirkender Werbe-Mails soll die Empfänger in die Arme von Versicherungsmaklern treiben. Die Spur der Absender führt zu Deutschlands größtem Adressenhändler für Versicherungen. Das Bundesamt für Sicherheit in der Informationstechnik nennt es den Klassiker unter den Spam-Mails. Ein Lottogewinner aus Nigeria muss dringend sein Geld außer Landes schaffen, dafür braucht er die Hilfe eines deutschen E-Mail-Nutzers. Im Gegenzug, verspricht der Absender, würde er sein Vermögen [...] [more]
welt.de    Spam

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
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