The SendDart journal
Guides and practical notes on email automation, deliverability, and building reliable delivery into your product.
Page 12 of 14 · 161 articles
Articles — page 12
Email API Webhook Reliability: Authenticate, Persist and Reconcile
Build a reliable email webhook consumer with raw-body verification, durable event storage, duplicate handling and clear message-state transitions.
Email API SDK Selection Checklist: Inspect More Than Language Support
Evaluate email SDKs for error semantics, retry behavior, runtime compatibility, testing hooks and release maintenance before choosing an integration.
Email Service Migration Checklist: A Runbook for a Controlled Cutover
Plan email migration with dependency mapping, suppression reconciliation, deterministic routing and explicit rollback rules for uncertain sends.
Email API for Serverless Applications: Survive the Request Deadline
Design serverless email around durable intent, bounded execution and replay-safe recovery instead of relying on background work after a response.
Email API for Multi-Tenant Applications: Isolate Senders and Evidence
Plan tenant-aware sending with domain ownership, credential boundaries, fair queues and scoped delivery evidence for SaaS platforms.
Email API for Ecommerce: Keep Orders, Payments and Shipments Distinct
Design ecommerce email around durable business events so retries, partial shipments and refunds do not create duplicate or misleading messages.
Email API for Python Developers: Handle Exceptions and Worker Boundaries
Plan a Python email integration with explicit SDK exception handling, immutable notification data and controlled background execution.
Email API for Node.js Developers: Design the Worker Before the Send Call
Build a Node.js email integration with explicit result handling, stable operation identity and worker recovery that survives process restarts.
Email API for SaaS Startups: Build a Small System You Can Trust
Design a startup email integration with an outbox, stable message identity, clear error handling and practical support evidence.
Email API vs SMTP Relay: Choose the Right Application Boundary
Understand the practical differences between an HTTPS email API and SMTP relay, including migration effort, evidence and application recovery.
Transactional Email API Pricing: Build a Cost Worksheet That Survives Growth
Compare email API costs using message volume, burst capacity, domains, support and migration effort. Use a clear worksheet without stale price rankings.
Amazon SES Alternatives: Compare the Work Your Team Will Own
Evaluate Amazon SES alternatives using infrastructure ownership, application evidence, recovery design and total operating cost.