Product

Email campaigns

A block-based email composer with templates, audiences, scheduling, and deliverability lint. Built on Resend with DKIM+SPF verified senders.

The block-based email composer with live mobile preview and snapshot history.
The block-based email composer with live mobile preview and snapshot history.

Campaign lifecycle

Draft

Compose blocks

Audience

Target list

Validate

Lint & preview

Send

Now or scheduled

Analytics

Opens, clicks, bounces

Block palette

Header / Text

Inline-editable rich text with brand styles.

Image / Logo

Drag from media library or upload on the spot.

Button

Tracked CTA links with brand colors.

Columns

2-col layouts that collapse cleanly on mobile.

Wave divider

Decorative section break in brand color.

Section

Container with child blocks + background color.

Deliverability checklist

Domain verified

DKIM + SPF checked via Resend domain API at send time.

From-email locked

Dropdown hard-blocks unverified senders.

Spam lint

Pre-send scan for spam triggers + missing unsubscribe footer.

Suppression enforced

Unsubscribes, bounces, complaints — can't be bypassed.

Snapshots

Every destructive write to a campaign auto-creates a snapshot kept for 30 days. Restore any prior state via restore_campaign_snapshot or the Snapshots tab — what makes AI-driven editing safe.

Composing via Claude

"Draft a May newsletter using last month's template, swap the hero image, schedule for Tuesday 9am."
"Use the /audit-deliverability prompt on the Welcome Series campaign."
"Duplicate the May Newsletter, change subject to summer events, save as draft."

See MCP overview for the full campaign tool catalog.