MailRoundupNotes On Transactional Email.
Practical guides on verification codes, deliverability, and the craft of building a mail pipe you do not have to babysit.
- April 1, 2026
Webhooks For Transactional Email: Delivered, Bounced, Complained
How to consume email event webhooks reliably: signature verification, replay protection, idempotent handlers, and the events that actually matter.
Read guide → - March 25, 2026
Designing Password Reset Emails That Actually Get Used
The content, timing, and security patterns that separate a reset email people trust from one they mistake for phishing.
Read guide → - March 18, 2026
Idempotency For Transactional Email APIs
How to make sure a retried API call never sends a duplicate receipt or a second password reset: the idempotency key pattern applied to email.
Read guide → - March 11, 2026
Handling Bounces And Complaints Without Wrecking Your Reputation
Hard bounces, soft bounces, spam complaints, and feedback loops: what each one means and the exact rules a transactional sender should apply.
Read guide → - March 4, 2026
Magic Links Vs Verification Codes: Which To Send
The developer's guide to picking between a magic link and a six-digit code: security, UX, and the deliverability tradeoffs.
Read guide → - February 25, 2026
Warming Up A Dedicated IP For Transactional Email
How to warm a new dedicated IP for transactional sending: why it matters, a working schedule, and the mistakes that undo weeks of careful ramp.
Read guide → - February 18, 2026
Gmail And Yahoo Sender Requirements: What Changed In 2024
The February 2024 Gmail and Yahoo bulk sender rules, what they enforce, and how they apply to transactional email in 2026.
Read guide → - February 11, 2026
SPF, DKIM, And DMARC Explained For Developers
A practical, RFC-grounded walkthrough of the three email authentication standards every transactional sender has to get right.
Read guide →