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 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.
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.
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 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 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 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 ruby SDK for Veil Mail — secure transactional and marketing email with automatic PII protection. A drop-in alternative to Resend, SendGrid, Mailgun, and Postmark.
Self-hosted email server with the developer experience of a hosted sending API. Postfix + Dovecot + Rspamd in one declarative YAML config. REST API, admin UI, atomic updates with rollback. Source-available under BSL 1.1 (auto-converts to Apache 2.0 after four years).
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.
Send high-volume personalized email campaigns with Gmail SMTP or AWS SES, real-time tracking, smart throttling, and self-hosted control
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