Case Study: How Domain Warm-up Timelines Collapsed and Then Rebounded After the Jan 4, 2026 Shift

https://www.stall-bookmarks.win/why-your-great-content-gets-ignored-by-other-sites-and-how-to-fix-it

How a 200-Employee SaaS Team Watchlisted by Major Mailboxes Overnight In late 2025 our company, a SaaS platform with 200 employees and $18 million ARR, launched a dedicated domain for transactional and marketing email