SendGrid tutorials

How to set up a SendGrid account from scratch (sender, auth, API key, compliance)

SendGrid's onboarding looks fast — sign up, paste an API key, send. The decisions hidden inside that flow (which Twilio org, which subuser, which sender identity, which API key scopes) lock in choices that are painful to reverse at month 6. Here's the setup that doesn't rot.

How to set up SendGrid domain authentication — DKIM CNAMEs, SPF, DMARC, and link branding

Gmail and Yahoo's 2024 bulk sender rules made domain authentication non-negotiable above 5K sends/day — and strongly recommended below it. SendGrid hides the link-branding step that most accounts skip, leaving every click flagged 'via sendgrid.net' in Gmail's clip warning. Here's the full auth stack.

SendGrid Web API vs SMTP Relay — the honest decision and full setup for each

Web API or SMTP Relay is one of those decisions that looks like '5 minutes of research' and turns into a 2-week migration when you pick wrong. The defaults each tutorial pushes are usually backward for your real use case. Here's the honest tradeoff and complete setup for both.

How to set up SendGrid Marketing Campaigns end-to-end

SendGrid Marketing Campaigns is structurally different from Mailchimp or Klaviyo — it's a marketing layer bolted onto a developer-first sending platform. The UI feels like 'they tried.' For dev teams already on SendGrid for transactional, it's the path of least resistance. For marketing-first teams, Klaviyo or Brevo usually wins. Here's how to make it work.

How to build SendGrid Dynamic Templates with Handlebars and send them via API

Dynamic Templates are SendGrid's best-kept feature: template lives in SendGrid, your app sends a small JSON payload, marketing edits the design without touching code. But the Handlebars syntax, versioning, and dynamic_template_data shape have sharp edges that cost an afternoon to learn the hard way.

How to set up SendGrid Event Webhooks with signature verification and idempotency

Event Webhooks are how your app actually learns what happened to a send — delivered, opened, clicked, bounced, complained. The setup is 5 minutes; the production-grade version (signature verification, idempotency, retry handling) is 2 hours. Most teams skip the second part and find out at month 6 when payloads start no-op'ing.

Why your SendGrid emails are landing in spam (and how to diagnose the real cause)

Open rate dropped from 28% to 14%. Bounces jumped. Customer support is forwarding 'we never got the email' tickets. The instinct is 'subject lines' or 'content' — usually it's deliverability infrastructure. Here's how specialists diagnose SendGrid deliverability without guessing.

How to configure SendGrid suppression groups, bounce handling, and one-click unsubscribe

Suppressions are the dull, unglamorous part of email that decides whether your account survives the year. Gmail and Yahoo's 2024 bulk sender rules made one-click unsubscribe mandatory at scale, and SendGrid's suppression groups are how you respect that without losing transactional sends. Here's the full setup.

How to provision and warm up a SendGrid dedicated IP without trashing deliverability

A dedicated IP is the most-recommended SendGrid feature that's wrong for 80% of accounts. Below 100K sends/month, you'll hurt deliverability — the IP can't build reputation on low volume. Above 250K/month sustained, it pays off. Here's the decision framework and full warmup playbook.

When to hire a SendGrid specialist — the honest checklist

DIY SendGrid is the right call until it isn't. The signal isn't 'sending more emails' — it's that the cost-of-mistakes finally outweighs the cost-of-hiring. Here's the honest framework for when that line is crossed.

Mailchimp

General-purpose email marketing platform; default for non-e-com SMBs and content businesses.

10 tutorials

Klaviyo

E-commerce-first email & SMS platform; Shopify default and the highest-revenue email tool in the DTC space.

10 tutorials