Welcome Email Examples: 5 Flows With Timing and Triggers
Five welcome email examples with the trigger, delay and cancel condition behind each, plus the sending infrastructure that decides whether new users ever see them.
Journal · Email infrastructure
7 articles in Email infrastructure.
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What Is DMARC? Alignment, Policies and the 2026 RFCs
DMARC tells receivers what to do when mail fails alignment. Here is how the record, policies and reports work, and what changed in 2026.
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Soft Bounce vs Hard Bounce Email: Infrastructure Guide
Understanding soft bounce vs hard bounce in email is foundational for any team running email at scale. SMTP codes 4xx and 5xx determine whether to retry or suppress.
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Transactional vs Marketing Email: The Infrastructure Split
Transactional and marketing email look the same at the wire level. The infrastructure requirements diverge once you measure latency, complaint rates, and legal obligations.
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What Is DKIM? Email Authentication Standard Explained
DKIM adds an RSA cryptographic signature to every outbound email. The receiving MTA verifies it against your DNS-published public key before deciding where the message lands.
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Why Your Emails Go to Spam: A Deliverability Diagnostic
Emails land in spam because of broken authentication, damaged IP reputation, content triggers, or list hygiene failures. This diagnostic covers each cause in order.
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What an AI Coding Agent Should Never Touch in Production
Real incidents, a blast-radius comparison of Devin, Replit Agent, and Cursor, and the scoped-access rules we use before an AI coding agent touches production.
