qmail

qmail

qmail is a robust message transfer agent designed for secure, reliable, and efficient email delivery. Its unique straight-paper-path philosophy ensures messages are never lost once accepted. Supporting the resilient maildir format, qmail simplifies mailing list management and operates seamlessly, making it an ideal replacement for sendmail. Users can trust its performance and security.

Top qmail Alternatives

1

hMailServer

hMailServer serves as a robust, free, and open-source email server designed for Microsoft Windows.

2

Dovecot

Dovecot Pro is a powerful email server platform designed for dynamic scalability and high performance.

3

Mailtraq

Mailtraq Professional mail server software serves as an effective email solution for businesses, offering a hassle-free experience at an economical price.

4

Mercury Mail Transport System

The Mercury Mail Transport System functions as an efficient mail server, managing incoming and outgoing emails for users within a local area network.

5

Haraka

Haraka is a high-performance, flexible SMTP server designed for modern email needs.

6

mailcow

mailcow is a user-friendly, open-source groupware and email suite built on Docker, leveraging established components for a seamless email server experience.

7

Eudora Internet Mail Server

Though not recommended for new installations, the latest version ensures existing users can transition smoothly...

8

iRedMail

Users retain control over their personal data and email security, with robust encryption measures in...

9

Modoboa

It seamlessly integrates essential open-source tools, automating 95% of the installation process...

10

Mailu

It supports standard protocols like IMAP and SMTP, alongside advanced functionalities such as custom routing...

11

OpenSMTPD

It enables seamless email exchange between systems, developed by Gilles Chehade, Eric Faurot, and contributors...

12

Citadel

Its unique room-based architecture offers intuitive organization, making it user-friendly and adaptable...

13

Cyrus IMAP

It supports CardDAV and CalDAV, along with extensive authentication options through Cyrus SASL...

14

Oracle Communications Messaging Server

It supports multiple email protocols and efficiently manages various file types, including embedded text, sound...

15

Exim

Developed at the University of Cambridge, it is licensed under the GPL and excels in...

Top qmail Features

  • Secure mail delivery system
  • Reliable message assurance
  • Efficient local message handling
  • Supports maildir format
  • Simple mailing list management
  • Drop-in sendmail compatibility
  • Fast delivery mode
  • Overlapping simultaneous deliveries
  • Straight-paper-path philosophy
  • User-defined forwarding mechanism
  • Supports virtual domains
  • Independent message retry schedules
  • Cross-host mailing list detection
  • NFS-safe mail reading
  • Lightweight compared to other MTAs
  • Full host hiding capabilities
  • Comprehensive relay control
  • Robust security architecture
  • Minimal system resource usage
  • Flexible user masquerading options