Automate email QA without the hassle of configuring SMTP or DNS.
Stop having to worry about public open relays, complicated SMTP testing workflows, or insecure email hacks.
Developers can send and receive private email over SMTP, HTTP/JSON, WebHooks, and Web Sockets.


We run a secure, documented and scalable system on AWS using best practices in networking security, encryption, and devops.

Quotes
Purchase Orders
ACH Payments
Consolidated Multi-Account Billing
Available through value added resellers (SHI and SoftwareOne)

We're ready to help complete your SIG Risk Assessment, CyberGRX questionnaire, or other vendor evaluation process.
Access to Mailsac Security DocumentationDownload our Information Assurance Policies and Procedures with evidence.
View 3rd party audit results.
Limited AccessIndividual developers can use API keys instead of account and billing logins. Track usage by API key, domain, and enhanced address.

Mailsac has support for SAML-based SSO.

Dedicated Account Executive
API integration, DNS configuration, and coding assistance.

Developers can be up-and-running in minutes or hours, instead of days or weeks, due to zero-config SMTP setup solutions. Or add two DNS records to use your own domain.
All-Inclusive billingKnow your bill ahead of time. No surprise usage overages.
Over a Decade of ExperienceMailsac has specialized in email testing integrations for over 10 years. Leverage our optimizations and learnings, instead of rolling-your-own.
Priced by monthly operations (emails received, API calls and pushes). Annual contracts are invoiced; month to month is billed by card.
| Operations per month | Annual | Month to month |
|---|---|---|
Up to 2 million | $7,500/yr | $799/mo |
Up to 5 million | $10,500/yr | $1,099/mo |
Up to 10 million | $15,000/yr | $1,599/mo |
Up to 20 million | $24,000/yr | $2,499/mo |
Above 20 million | +$1,000/yr per extra million | +$105/mo per extra million |
Users | 25 included | then $24 per user per year |
Dedicated Instance | Quoted on request | Optional, on annual plans |
Support via Email | Included in all plans | Most issues are resolved via email |
Support via Phone or Video | $800 per 4 hour block | First 2 hours per year are free |
Security Review | Included on annual plans | $1,000 one-time on month to month |
All prices USD. Month to month is billed by card with a 3-month minimum; switch to annual at any time. Smaller teams can start on Business or Business+; Business+ can be paid by invoice or purchase order on annual plans.
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