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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 Citadel?

Citadel provides a suite of solutions for email, collaboration, groupware, and content management that can be easily installed on local servers or utilized through the cloud. Its distinctive room-based framework not only enhances user experience but also offers remarkable flexibility and durability. Unlike other platforms, it seamlessly combines an extensive array of functionalities while upholding a consistent and user-friendly interface. Being entirely open source and released under the GNU General Public License, Citadel allows users to access the complete version without any constraints or fees. You can obtain the latest and most sophisticated version from their website, and the most appealing aspect is that it is completely free of charge. This positions Citadel as an outstanding option for anyone in search of robust and inclusive software solutions without the hefty costs typically linked to enterprise software. Furthermore, its commitment to open-source principles fosters a sense of community and collaboration among users and developers alike.

Media

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Media

Integrations Supported

Amazon SES
SMTP2GO

Integrations Supported

Docker
Muraena
Ubuntu

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
Free Version

Supported Platforms

Mac
On-Prem
Linux

Supported Platforms

Linux

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Anonyfox

Company Location

Germany

Company Website

lfr.email/

Company Facts

Organization Name

Citadel

Company Website

www.citadel.org

Categories and Features

Mail Servers

Not specified

Categories and Features

Mail Servers

Not specified

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