Self-hosted email API for developers free alternative to SendGrid/Resend

Open-source bulk email platform. Send 100K+ personalized emails via Gmail SMTP or AWS SES with tracking, analytics, smart throttling, and zero spam.

Developer-friendly email delivery platform - Open alternative to Resend & SendGrid

Official ruby SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official php SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official go SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official Node.js / TypeScript SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

OSSメール基盤（SendGrid代替）のビジネスモデル・マネタイズ戦略リサーチ

Official Python SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official elixir SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official java SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official dotnet SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.

Official rust SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.