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4 articles tagged with email deliverability.
The nine transactional email templates every product needs, with copy examples for password resets, receipts, failed payments, and shipping notices. Includes a transactional vs. marketing comparison table, sending-stream separation advice, variable-naming rules, and a pre-launch QA checklist.
How to choose the best email API in 2026 without getting lost in feature checklists. Covers the eight evaluation criteria that actually predict deliverability, the four categories providers fall into and their tradeoffs, how to read API docs like an engineer, a REST-versus-SMTP comparison table, and a safe migration sequence.
A practical 2026 list of email spam trigger words, the formatting habits that amplify them, and the phrases that are actually safe. Includes rewrite examples and a pre-send checklist.
Proven cold email subject lines that read like a real person -- personalized, question-based, curiosity, and social-proof lines -- plus copy-ready formulas and the deliverability rules that keep them out of spam.