Mailers.io — Multi-provider email orchestration

Connect your own email providers — Amazon SES, Mailgun, SendGrid, Postmark, Resend, Brevo, Gmail / Google Workspace SMTP, Outlook / Microsoft 365 SMTP, or any SMTP server — and send through one unified API and dashboard with quota-aware routing, suppression, audit logs, and team controls.

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What Mailers.io does

  • Connect multiple email providers to one workspace.
  • Send through a single REST API, regardless of which provider executes each message.
  • Route volume across providers using configured hourly and daily caps and a priority order.
  • Run campaigns, automations, sequences, forms, templates, and mail-list management.
  • Enforce suppression, do-not-contact, unsubscribe, and domain-level controls across every provider.
  • Manage teams with custom RBAC across campaigns, lists, automations, templates, forms, sending servers, and sending domains.
  • Run agency operations with per-client workspaces, white-label, SCIM / SAML, and audit logs.

Core product pages

Providers supported

Pricing (monthly, USD)

PlanPrice / monthCredits / monthBest for
Free$02,500Trying the platform; 1 provider; API access
Essentials$2910,000Solo founders; 3 providers; 2 seats
Standard (popular)$7950,000Growing teams; 5 providers; custom roles; quota-aware routing
Premium$149150,000Scaling teams; unlimited providers; SSO/SAML; multi-workspace
Enterprisefrom $349500,000+Agencies & large platforms; white-label; SLA; dedicated resources

Credits cover orchestration only. Provider delivery fees are billed by your connected providers directly. See /pricing.

Security & compliance

  • TLS 1.2+ in transit, AES-256 at rest, KMS-managed envelope encryption for provider credentials.
  • RBAC with least-privilege defaults and full audit logs.
  • Signed DPA covering GDPR Art. 28, SCCs Module 2, UK IDTA, Swiss FADP, and CCPA/CPRA service-provider terms — see /dpa.
  • SOC 2 Type II in progress. Letters of engagement available under NDA from security@mailers.io.
  • Security overview: /security. Cookie policy: /cookies.

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