Connect SendGrid to EonMailer

Step 1 — Workspace and provider

1. Switch to client workspace.
2. Settings → Email provider → SendGrid.
3. Paste API key (SG.…) from Create API key.
4. Save and verify connection.

Step 2 — Domain authentication

1. In SendGrid: Settings → Sender Authentication → Authenticate Your Domain.
2. Choose DNS host; copy CNAME records SendGrid provides.
3. Add matching domain in EonMailer Domains.
4. Wait for green verification on both sides.

Step 3 — Event webhook

1. EonMailer Webhooks panel → copy inbound URL.
2. SendGrid Settings → Mail Settings → Event Webhook.
3. Enable delivered, bounce, dropped, spam report, unsubscribe.
4. Paste URL; test integration.

Step 4 — Default sender

Set verified From address on authenticated domain.

Step 5 — Test send

Send internal test; confirm events appear in EonMailer within 1–2 minutes.

Issues: SendGrid troubleshooting.