Email & newsletters sources
Everything followed for Email & newsletters, and what each is actually good at. Knowing a source’s bias is part of reading it.
Gmail & Yahoo sender requirements
manualhigh priorityThe rules that decide whether anything you send arrives. Google and Yahoo publish these as documentation rather than a feed, so changes are captured by hand - and they are the highest-consequence changes in this channel.Watching for: authentication requirements · spam rate thresholds · one-click unsubscribe
- The most technically credible email blog: rendering, client support, accessibility and deliverability, backed by their own rendering data. Vendor blog, but the research is real.
Watching for: email client rendering changes · Apple Mail privacy changes · dark mode support
r/emailmarketing
redditPractitioners hitting real deliverability problems in real time. The best early warning when a mailbox provider quietly tightens something. Reddit's public feed carries no score, so it is filtered by keyword.- Newsletter growth and economics from a referral-tools vendor. Useful for how newsletter businesses actually make money; discount the growth claims that promote their product.
Watching for: newsletter monetisation models · paid subscription benchmarks
- Laura Atkins on deliverability, from inside the industry. Explains *why* mailbox providers behave as they do rather than repeating folklore. Dense, opinionated, and correct more often than anyone else.
Watching for: mailbox provider policy changes · authentication requirements · blocklist behaviour