194 TL;DR: Brands are shifting to modern email platforms as legacy ESPs struggle with AI, personalization, and real-time engagement. Article: The gap between modern and legacy email service providers is widening as marketers demand faster personalization, AI-driven automation, and real-time customer engagement. Older ESP systems were largely built for bulk email distribution, while modern marketing teams now expect platforms that combine customer data, predictive analytics, and cross-channel communication in a single workflow. Newer ESPs are increasingly offering AI-powered audience segmentation, automated optimization, and dynamic content generation. Industry experts say these features are becoming essential as brands focus more heavily on retention and personalized customer experiences. According to industry research cited in the report, email marketing continues delivering one of the highest returns across digital channels, making platform performance a growing priority for businesses. A marketing technology expert quoted in the report said many companies are “outgrowing systems designed for a different era of digital communication.” The shift is pushing brands to modernize outdated infrastructure that limits flexibility and scalability. As customer expectations rise, email platforms are evolving from simple distribution tools into broader customer engagement systems. You Might Be Interested In Consumers are abandoning traditional search faster than brands expect, new study finds Year-end market volatility signals cautious reset for brand and marketing spend in 2026 Meta set to overtake Google in digital ad revenue for the first time Global Brands Rally Behind Climate-Positive Marketing With Action GAP brings AI into its owned marketing channels How Sting is using Formula 1 to win Gen Z attention