Built on AWS.
Open to everything.
SES Mailbox uses AWS SES for sending and AWS SNS for real-time bounce and complaint handling. Import subscribers from any source via CSV or REST API.
AWS Infrastructure
AWS SES
The core sending engine. Connect your own AWS account and send at $0.10 per 1,000 emails. Full production access, your own sending reputation.
AWS SNS
Bounce and complaint notifications processed automatically. Suppression lists updated in real time to protect your sender score.
Data import
CSV Import
Import subscribers from any source — Mailchimp, Klaviyo, Sendy, Substack, ConvertKit, or any spreadsheet. Custom field mapping included.
REST API
Add subscribers, trigger sends, and query campaign stats programmatically. API keys generated in your account settings.
More integrations coming soon
We're building native connectors for popular tools. In the meantime, anything that can export a CSV or call a webhook can work with SES Mailbox today.
Bring your own AWS.
We handle the rest.
Free plan available. No credit card required.