Onifast Mail Server

Self-hosted email server & webmail.

Self-Hosted Email Infrastructure

Onifast Mail is an enterprise-grade, lightweight mail transfer agent (MTA) and webmail suite built directly into the Onifast ecosystem. Take complete ownership of your email communications without monthly per-mailbox fees.

SMTP and Webmail Out-of-the-Box

Onifast Mail handles both incoming and outgoing mail using SMTP (ports 25 & 587) and features a clean, responsive webmail interface accessible directly from your browser. Send, receive, search, and organize messages effortlessly.

DKIM & Anti-Spam Protections

Includes built-in DKIM signing to pass SPF/DMARC checks and ensure maximum deliverability to providers like Gmail and Outlook. Active anti-relay blocks unauthorized outgoing messages, protecting your server's IP reputation.

Key Features

  • No Mailbox Limits: Create unlimited domains and email addresses on your server.
  • Single Sign-On (SSO): Access webmail instantly from the panel with one-click authentication.
  • Email Forwarding: Automatically redirect incoming emails to external addresses.
  • Attachment Support: Complete MIME parsing handles large documents and image attachments.
  • Developer API: REST endpoints allow sending emails programmatically via HTTP requests.
all feature readable in Here

Try Onifast Panel for free

Self-host your own control panel. Install in one command on any Ubuntu/Debian server.

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