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What is lfr?

lfr is a comprehensive mail server and newsletter platform that comes as a single Go binary compatible with both Linux and macOS systems. This solution enables developers, self-hosters, and small teams to effortlessly set up and manage mailboxes associated with their domains, as well as oversee aliases and forwarding, while streamlining email searching and responses, alongside domain mail record management. Among its newsletter functionalities are customizable double-opt-in signup lists, Markdown-based content creation for issues, hosted archives with signup pages, a straightforward one-click unsubscribe feature, and proficient management of bounces and complaints, all supported by a configurable SMTP relay in cases where direct sending isn't feasible. Users can access the command-line interface locally or via SSH, which allows them to perform setup and diagnostics related to server operations, DNS settings, and mail delivery. Distributed under the MIT license, lfr is free to use, but users must take charge of managing and funding their own servers and any optional relay services they may opt for. With its extensive features and intuitive design, lfr emerges as an exceptional option for individuals and teams seeking to retain full control over their email and newsletter management. This makes it not only a practical choice but also a strategic one for those looking to enhance their communication capabilities.

What is Courier?

The Courier mail transfer agent (MTA) operates as an all-encompassing mail and groupware server that employs well-established protocols like ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. It provides a cohesive platform that offers various services, including ESMTP, IMAP, POP3, webmail, and mailing list options, enabling users to easily toggle specific features on or off based on their needs. Recently, the Courier mail server has rolled out essential web-based calendaring and scheduling tools within its webmail module, with intentions to develop more advanced groupware calendaring options in the near future. Importantly, the source code for the Courier mail server is crafted to compile across most POSIX-compliant operating systems that run on Linux or BSD-derived kernels, and it is also compatible with Solaris and AIX systems, assuming users employ the correct freeware add-on tools from Sun or IBM. The evolution of the Courier mail server is based on a synthesis of various interconnected projects that have shaped its present configuration, and it also integrates SMTP extensions designed to improve mailing list management capabilities. This makes Courier not just a flexible mail server, but also a valuable collaborative resource for users seeking efficient communication and organizational solutions. As the demand for integrated communication tools continues to grow, Courier is likely to expand its offerings to meet evolving user needs.

Media

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Media

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Integrations Supported

Amazon SES
SMTP2GO

Integrations Supported

Aid4Mail
Debian
LDAP

API Availability

API Availability

Pricing Information

$0
The software is free and MIT-licensed. Users provide their own server; optional SMTP relay services are billed separately by their providers.
Free Version

Pricing Information

Free
Open source
Free Version

Supported Platforms

Mac
On-Prem
Linux

Supported Platforms

Linux

Customer Service / Support

Web-Based Support

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Anonyfox

Company Location

Germany

Company Website

lfr.email/

Company Facts

Organization Name

Double Precision, Inc.

Date Founded

1995

Company Location

France

Company Website

www.courier-mta.org

Categories and Features

Mail Servers

Not specified

Categories and Features

Mail Servers

Not specified

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