Subject Line Blank

We invited Robert Brandl, founder of EmailTooltester.com, to discuss how email marketing software trends are shifting for small businesses in the age of AI. We talked about email deliverability rates, the factors that affect software choices, when email deliverability isn't a platform issue, and much more. Find out more about Robert Brandl and Email Detective here: https://www.emailtooltester.com/en/email-detective/ Learn how interactive emails work in practice with Stripo’s free “Interactive Email Production” course: https://l.rw.rw/gpboe31dn2 Subject Line Blank is the podcast by Mailtrap where email is the lens for the biggest stories in tech, AI, and digital marketing. New episodes every Tuesday.

Claude Mythos Preview, Fable 5, Anthropic, AI cybersecurity, U.S. government restrictions, and email infrastructure, here's why everyone is suddenly paying attention.Anthropic's Claude Mythos Preview was supposed to be a cybersecurity research project. Instead, it has become one of the most controversial AI stories of the year.After reports surrounding Mythos and Fable 5, access was restricted and U.S. officials began evaluating the potential risks of AI systems operating at this level. The discussion quickly moved beyond coding and cybersecurity into questions about regulation, access, national security, and what happens when AI capabilities start advancing faster than organizations can adapt.In this episode of Subject Line Blank, Marcos explores:• What Claude Mythos Preview actually is• Why Anthropic restricted access• The controversy surrounding Mythos and Fable 5• Why the U.S. government became involved• How AI is changing vulnerability discovery and cybersecurity• Why email infrastructure may be more important than most businesses realize• What happens when critical systems struggle to keep pace with AI capabilitiesThis isn't just a story about AI models. It's a story about the systems, infrastructure, and assumptions modern businesses rely on every day, and whether they're ready for what's coming next.

Everybody's talking about the AI revolution and how that revolution has killed the SaaS business model. We invited Sergiy Korolov, Co-founder and CEO of Mailtrap and the true veteran in the SaaS industry, to discuss whether AI is really threatening SaaS, what's changing in the industry, and how SaaS businesses should evolve. 

A recent incident saw a startup lose its production database and backups in just 9 seconds, not due to an attack or human error, but an AI coding agent triggering a deletion command. This highlights critical concerns in data protection and data security as artificial intelligence becomes more integrated into operations. The incident underscores the importance of robust data recovery strategies and raises questions about AI news and automation in sensitive environments. 

Your subject line might not matter anymore.Gmail is now summarizing your emails with AI before users even open them. That means Google's Gemini is rewriting your message, compressing your copy, and handing readers a version you never approved — and you have zero control over it.In this episode, we break down exactly what Gmail's AI summaries do to email marketing, why open rates are about to become a useless metric, and what you need to change right now to make sure your emails survive compression.

On March 31, 2026, Oracle initiated a massive layoff, believed to be its largest ever, with 20,000 to 30,000 employees worldwide, including in the US and India, abruptly terminated via a 6 a.m. email. The email, sent from "Oracle Leadership" rather than HR or managers, stated that roles were immediately eliminated due to reorganization