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FastMail VS Mail-in-a-box

Compare FastMail VS Mail-in-a-box and see what are their differences

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The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. featured
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FastMail logo FastMail

Email, calendars, and contacts to highest standards of security, privacy and reliability.

Mail-in-a-box logo Mail-in-a-box

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
  • FastMail Landing page
    Landing page //
    2023-07-22
  • Mail-in-a-box Landing page
    Landing page //
    2023-04-21

FastMail features and specs

  • Privacy-Focused
    FastMail is known for its strong commitment to user privacy. They do not serve ads or sell user data to third parties, providing a more secure email experience.
  • Feature-Rich
    The service offers a variety of features such as email filtering, calendar integration, and contact management, making it a versatile choice for both personal and professional use.
  • Custom Domain Support
    Users can use their own custom domains with FastMail, which is particularly useful for businesses and advanced users.
  • Fast and Reliable
    FastMail lives up to its name by offering quick email delivery and a reliable, responsive user interface.
  • Support and Documentation
    FastMail provides robust customer support and has extensive documentation to help users troubleshoot issues and make the most out of the service.

Possible disadvantages of FastMail

  • Cost
    FastMail is a paid service, which might deter some users who are accustomed to free email services like Gmail or Yahoo.
  • Limited Free Tier
    Unlike some competitors, FastMail does not offer a free tier, meaning users have to commit financially from the get-go.
  • No E2E Encryption
    FastMail does not provide end-to-end encryption by default, which may be a drawback for users seeking maximum security for their communications.
  • Complex Interface for Beginners
    While feature-rich, the interface may be overwhelming for users who are not technically inclined or are new to email management.
  • Limited Integration
    FastMail may not integrate as smoothly with some third-party services and applications when compared to giants like Google Workspace or Microsoft Office 365.

Mail-in-a-box features and specs

  • Ease of Setup
    Mail-in-a-Box provides a simplified setup process with comprehensive documentation, making it accessible even for users with limited technical knowledge.
  • Full Control
    Running your own mail server gives you full control over your email, including data privacy, security, and customization options.
  • Cost-effective
    By using Mail-in-a-Box, you can avoid subscription fees associated with commercial email services, reducing long-term costs.
  • Open Source
    Mail-in-a-Box is open-source software, which means you can audit the code, contribute to the project, and ensure there are no backdoors.
  • Additional Features
    Mail-in-a-Box offers more than just email; it can also set up DNS, backups, spam filtering, and other useful features.

Possible disadvantages of Mail-in-a-box

  • Maintenance
    Running your own mail server requires ongoing maintenance, including software updates, hardware monitoring, and troubleshooting.
  • Security Risks
    Improperly configured mail servers can be susceptible to security vulnerabilities, such as hacking, spam, and data breaches.
  • Technical Knowledge
    Although the setup process is simplified, users still need a basic understanding of Linux systems, DNS, and email protocols.
  • Reliability
    Your email availability is dependent on the reliability of your server hardware and network connection, which may not match the uptime of commercial mail providers.
  • Scalability
    Mail-in-a-Box may not be suitable for very large organizations or high-volume email needs, as it is designed for small to medium-sized deployments.

Analysis of FastMail

Overall verdict

  • FastMail is an excellent choice for users seeking a reliable, privacy-focused email provider with a range of features that enhance productivity and data security.

Why this product is good

  • FastMail is considered a good email service due to its strong privacy features, user-friendly interface, and reliable performance. It is an independent email provider that doesn't rely on ad revenue, which enhances user privacy. The service offers robust security measures, including two-factor authentication and PGP encryption support, making it a trustworthy option for users concerned about data protection. Additionally, FastMail provides useful organizational tools, such as custom folders, rules for sorting emails, and integrated calendars and contacts, which help users manage their communications effectively.

Recommended for

    FastMail is recommended for individuals and businesses who value privacy and security in their email communications, as well as those looking for an ad-free, user-friendly email service with solid organizational tools. It's particularly suitable for users who require reliable performance and are willing to pay a subscription fee for enhanced features and privacy assurances.

Analysis of Mail-in-a-box

Overall verdict

  • Mail-in-a-Box is a solid choice for individuals and small organizations looking to run their own email server with minimal hassle. However, it may not have the same level of advanced features or customization options found in more complex solutions, which can be a limitation for demanding or large scale use cases.

Why this product is good

  • Mail-in-a-Box (Mail-in-a-Box) is often lauded for its simplicity and comprehensive documentation, which make setting up a personal mail server accessible even for those with minimal technical expertise. It provides a full suite of email features such as IMAP, SMTP, spam filtering, and webmail access without requiring in-depth server management knowledge.

Recommended for

    Mail-in-a-Box is recommended for privacy-conscious individuals, small businesses, and hobbyists looking to maintain control over their own email server without the need for extensive technical resources or a steep learning curve.

FastMail videos

+ Add

Fastmail - Email Service Review

Mail-in-a-box videos

+ Add

Setup and Install your Email server easily with this Free, Open Source Option - Mail-In-A-Box.

More videos:

  • Review - Mail-in-a-Box Setup Guide (v0.16 - January 2016)
  • Review - Setting up your own mail server with Mail-In-A-Box

Category Popularity

0-100% (relative to FastMail and Mail-in-a-box)

FastMail

Mail-in-a-box

Email
53 53%
Email
47% 47
Enterprise Communication
100 100%
Enterprise Communication
0% 0
Self-hosted Email
0 0%
Self-hosted Email
100% 100
Hosted Email
100 100%
Hosted Email
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 FastMail and Mail-in-a-box

FastMail Reviews

The Top 4 ProtonMail Alternatives
Fastmail is a great alternative to Protonmail because of its focus on security, but unlike other offerings, it doesn’t provide a free option. Fastmail’s approach to emailing will feel familiar to users of Gmail which can be beneficial with its ease of use. Their offerings focus on the personal and business side of email use with three tiers on each side.
Source: blog.superhuman.com
The BEST Email Hosting Providers for Small Business in 2021
By choosing FastMail, the host will allow you to email from an address that matches your business website. You can create up to 100 your own domains ([email protected]) and 600 aliases ([email protected]). FastMail will also allow you to use one inbox to send and read mail from every alias and if you encounter some problems, FastMail will deliver great assistance from their...
Source: www.thesearchengineshop.com
Moving away from GMail
Fastmail was my top choice, from a usability perspective and I read many good reviews of it. It ticks all the boxes, at a cost of 50$ per year. I evaluated it a year ago, but because the construction of my house started, I put the email migration project on hold.
Source: rolisz.ro
Have a private email account
Use Fastmail, Posteo, Mailbox, or any similar service where you actually pay $1-$3 per month and in return get a completely ad-free spam-free wonderful email experience.
Source: sivers.org
15 Best Email Hosting for Small Business (2019)
In case you want to migrate away from FastMail or make backup of your data, you can download all your data on FastMail.
Source: blog.runcloud.io

Mail-in-a-box Reviews

15 Best Email Hosting for Small Business (2019)
Mail-in-a-Box is an open source software bundle that make it easy to turn a cloud server into your own email server for multiple domains.
Source: blog.runcloud.io

Social recommendations and mentions

Based on our record, Mail-in-a-box should be more popular than FastMail. It has been mentiond 125 times 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.

FastMail mentions (51)

  • 📨 Building your Email API with Fastmail for free!
    Have you ever wondered how to host an email system without paying even a single penny? Well, this blog will guide you through the process of building your own email system on Node.js with the integration of fastmail.com. - Source: dev.to / over 1 year ago
  • Staying logged in/remembering cookies in specific containers only?
    Hi, I have recently added a few exceptions to cookie auto-deletion, e.g. To ensure my email provider (fastmail.com) remains logged in. However, for other parties who I do not trust, such as Google, I don't want to remember cookies 99% of the time. Source: about 2 years ago
  • Domains and Email hosting
    Used to use MXRoute but noticed emails to Gmail and other providers were not getting through. Switched over to Fastmail highly recommend it. Source: about 2 years ago
  • Chrome extension for managing your masked emails is now available!
    I too use a catchall address... And I'm always disappointed when Fastmail doesn't take all of the addresses that I get email sent to, and turn them into masked emails automatically! I guess masked emails are for people who dont have a custom domain and want to use their fastmail.com address, with some kind of email forwarding. Source: over 2 years ago
  • Looking to change hosting services, forget $5 fees!
    I'm personally partial to fastmail.com for a conventional business email provider that respects privacy and has a common sense 'good enough' configuration for the vast majority of small businesses. Source: over 2 years ago
View more

Mail-in-a-box mentions (125)

  • Self-hosting email in 2025 is easy actually (apart from M365)
    I've hosted my own email for over 30 years. About five years ago I switched from integrating it all myself to using "mail in a box": https://mailinabox.email/ It's modern, secure, and easy to manage. It's free, but you are encouraged to donate. - Source: Hacker News / 3 days ago
  • Why Use Mailing Lists?
    I’ve heard good things about . - Source: Hacker News / 8 days ago
  • How to Setup Secure Email Server
    You can visit Mail in a box official website for more detailed instructions on how to create email accounts and manage your server. - Source: dev.to / 14 days ago
  • Mox – modern, secure, all-in-one email server
    - You have to search for old emails through RoundCube's byzantine UI (and eventually giving up) [1] https://mailinabox.email/. - Source: Hacker News / 7 months ago
  • Purelymail: Cheap Email for Everyone
    I looked into Purelymail when searching around for good email solution. Google Workspace was getting a bit costly and there were too many things I did not need. Zoho Mail provides another option - $1.95 per month I think for my use where I am (AU) and has all the features I need for my small indie business. One other option I tried was to actually run mail myself with Linode VPS - https://mailinabox.email/ I know... - Source: Hacker News / 8 months ago
View more

What are some alternatives?

When comparing FastMail and Mail-in-a-box, you can also consider the following products

ProtonMail - Secure email with absolutely no compromises. Get your free encrypted email account today.

mailcow - An open source mailserver suite.

Zoho Mail - Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

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

Tutanota - Get your encrypted mailbox for free.

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