Software Alternatives & Reviews

CMail VS Postfix

Compare CMail VS Postfix and see what are their differences

CMail logo CMail

CMail is a free Windows command line mailer with advanced message formatting options.

Postfix logo Postfix

Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
  • CMail
    Image date //
    2024-03-09

CMail is a command line e-mail sending tool. It was originally developed to assist with testing mail server and content analysis software. As a result, CMail provides many more message formatting and SMTP session control options than similar software.

Features

  • Flexible configuration via files or the command line and optional GUI provided by CMailGUI.
  • TLS/SSL (including TLS 1.3) via STARTTLS or SMTPS (SSL-enabled version). Built-in, stunnel not required.
  • Support for adding multipart/alternative HTML message bodies (UTF-8) and embedded images.
  • SMTP authentication using CRAM-MD5, PLAIN, LOGIN, OAUTHBEARER and XOAUTH2.
  • Unlimited attachments using base64, quoted printable or uuencoding.
  • Wildcard attachment support to attach directory content.
  • Unlimited To/Cc/Bcc recipients, with aliases and DSN options for each if desired.
  • Message bodies using plain text, base64, or quoted printable encoding.
  • IPv6 support.
  • DKIM signing (RSA and Ed25519).
  • Delivery Status Notification and Message Disposition Notification (Read receipt) support.
  • Read message body from command line, stdin or file.
  • Sending via SOCKS or HTTPS proxies.
  • Works with GMail using App Passwords or user-supplied OAUTHBEARER/XOAUTH2 tokens.
  • Written entirely in C - no need for .NET libraries, Java, or other prerequisites.
  • No installation required. Download, extract, use.
  • Free for private and commercial use.
  • Postfix Landing page
    Landing page //
    2023-10-15

CMail

Categories
  • SMTP Server
  • MTA
  • Email
  • SMTP
  • STARTTLS
  • Email Clients
  • Email Testing
  • DKIM
Website inveigle.net
Details $free
Platforms
Windows
Release Date2006-01-01

Postfix

Categories
  • SMTP Server
  • MTA
  • Email Delivery
  • Email
Website postfix.org
Details $-
Platforms
-
Release Date-

Category Popularity

0-100% (relative to CMail and Postfix)
SMTP Server
23 23%
77% 77
Email
21 21%
79% 79
MTA
35 35%
65% 65
Email Clients
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare CMail and Postfix

CMail Reviews

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Postfix Reviews

10 Microsoft Exchange Server Alternatives
Postfix is an MTA that allows the user to receive and deliver electronic mail. The platform is open-sourced that is easy to administer, attempts to be fast, and a secure way for the usage of EM. It is also known by the names of IBM Secure Mailer and VMailer. Many of the systems that support Postfix runs such as AIX, BSD, HP-UX, LINUX, macOS, Solaris, Tru64 UNIX, etc. The...
15 Best iRedMail Alternatives 2021
Postfix is very emphatic when it comes to security. Like iRedMail, it is able to encrypt your sessions and perform certificate-based authentication to keep your mail services secure, private, and protected. Postfix also offers stress adaptive features and various content inspection methods to choose from.

Social recommendations and mentions

Based on our record, Postfix seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CMail mentions (0)

We have not tracked any mentions of CMail yet. Tracking of CMail recommendations started around Mar 2021.

Postfix mentions (1)

  • OVH VPS Postfix can't receive external emails
    Read the documentation on postfix.org and/or buy one of the many available Postfix books (it really helps to understand the Postfix philosophy). Source: about 3 years ago

What are some alternatives?

When comparing CMail and Postfix, you can also consider the following products

blat - Blat is a small, efficent SMTP command line mailer for Windows.

iRedMail - A fully fledged, free email server solution, an open source project (GPL v2).

mailsend-go - mailsend-go is a command line tool to send mail via SMTP protocol, written with golang.

Zimbra - Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

sendEmail - sendEmail is a lightweight, command line SMTP email client.

Exim - Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.