Transactional and marketing email at deliverability scale.

SMTP & REST

Drop-in SMTP relay or modern REST API.

Drag-and-drop builder

Responsive email designer with components.

Bounce & suppression

Automatic suppression list with category routing.

DKIM / SPF / DMARC

Guided domain authentication.

Open & click tracking

Per-recipient engagement & link analytics.

AI content

Generate subject lines and body copy with one click.