Every post we’ve published — newest first.
On 10 November 2026, Microsoft closed the book on one of the most talked about deliverability incidents of the year. In its Microsoft 365 Service Health portal, under incident EX1545193 titled “Some users may be …
Starting on the night of Friday 6 November 2026, US time, email administrators on the Mailop mailing list began reporting an unusual pattern: messages sent to Microsoft’s consumer mailboxes were being rejected …
Spamhaus, whose blocklists and reputation data protect roughly 4.5 billion user mailboxes, has published a single consolidated set of Sender Guidelines, and it comes with a deadline that every self-hosted mail …
Microsoft Threat Intelligence has published its email threat landscape report for the third quarter of 2026, and the headline number is hard to ignore: approximately 7.3 billion email-based phishing threats were detected …
For most B2B marketers, email is how they find new business, but the inbox those messages land in is changing fast. AI assistants now summarize and rank messages before a buyer reads a single line, which means a machine …
Source: EasyDMARC announcement, 4 November 2026. Email authentication company EasyDMARC has released its Beyond DMARC: DNS Health & Resilience Report 2026, and the headline finding is uncomfortable reading for anyone …
Source: Business Wire press release from Bloomreach, 3 November 2026. Bloomreach, the Mountain View company behind the Loomi AI for customer engagement, has been named a Leader in the 2026 Gartner Magic Quadrant for …
The Unspam 2026 Email Deliverability Benchmark Report is one of the most interesting deliverability datasets of the year, and its two headline findings point in opposite directions. Primary inbox placement rose 14 …
Fortra published its BEC Global Insights Report for October 2026 on 2 November 2026, and the most useful finding for anyone defending email is about infrastructure. During October, 63% of business email compromise …
KnowBe4 released the eighth volume of its Phishing Threat Trends Report on 29 October 2026, and the headline finding is a shift every email defender should internalize: cybercriminals are abandoning mass, low effort …
In the third quarter of 2026, Microsoft was impersonated in 33% of all brand phishing attempts tracked by Check Point Research, up sharply from 23% in the previous quarter and roughly four times the share of any other …
Microsoft is in the middle of one of the most consequential changes to outbound email in Exchange Online this year. According to message center announcement MC1454397, published on 14 August 2026 and updated on 29 …
