Best Open-Source Private Email & Alias Services | open-source.storeAll categoriesPrivate Email & Alias Services
Encrypted secure email and address masking alias services.
8 tools found 
Postal
Postal is an open-source, self-hosted transactional email server and SendGrid alternative that manages delivery queues, IP pools, and inbound webhooks.
MITPrivate Email & Alias Services

Mail-in-a-Box
Mail-in-a-Box replaces Fastmail with an automated self-hosted email server featuring built-in DNSSEC, Nextcloud DAV sync, and Let's Encrypt TLS.
CC0-1.0Private Email & Alias Services

Mailcow
Mailcow replaces hosted email like Fastmail with a self-hosted Docker suite featuring Postfix, Dovecot, SOGo webmail, and automated TLS management.
GPL-3.0Private Email & Alias Services

SimpleLogin OSS
Self-host SimpleLogin OSS for full control over email aliases, PGP forwarding, and custom domains as an open-source alternative to SimpleLogin Premium.
AGPL-3.0Private Email & Alias Services

AnonAddy OSS
AnonAddy OSS is a self-hosted email forwarding stack that provides unlimited on-the-fly aliases and PGP encryption without SaaS subscription fees.
AGPL-3.0Private Email & Alias Services

DoubleZero
DoubleZero is a self-hosted transactional email API and dashboard for Amazon SES that replaces Resend with local data ownership and markdown support.
AGPL-3.0Private Email & Alias Services
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Sessy
Sessy replaces third-party email tracking wrappers with a self-hosted AWS SES delivery dashboard and built-in MCP server for AI coding agents.
Private Email & Alias Services

Hyvor Relay
Hyvor Relay is an open-source, self-hosted email API and SMTP server replacing Resend and SendGrid with automated DNS, deliverability queues, and metrics.
AGPL-3.0Private Email & Alias Services
4d ago
AGPL-3.0Private Email & Alias Services
5d ago
MITPrivate Email & Alias Services
5d ago
AGPL-3.0Private Email & Alias Services