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OpenSMTPD VS Mail-in-a-box

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

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OpenSMTPD logo OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...

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.
  • OpenSMTPD Landing page
    Landing page //
    2019-03-05
  • Mail-in-a-box Landing page
    Landing page //
    2023-04-21

OpenSMTPD videos

+ Add

DAY[0] Episode #31 - kr00k, GhostCat, and more issues from NordVPN, Samsung, OpenSMTPd

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 OpenSMTPD and Mail-in-a-box)

OpenSMTPD

Mail-in-a-box

SMTP Server
100 100%
SMTP Server
0% 0
Email
10 10%
Email
90% 90
Self-hosted Email
0 0%
Self-hosted Email
100% 100
MTA
100 100%
MTA
0% 0

User comments

Share your experience with using OpenSMTPD and Mail-in-a-box. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare OpenSMTPD and Mail-in-a-box

OpenSMTPD Reviews

Best Free and Open Source Alternatives to Microsoft Exchange Server
OpenSMTPD is an implementation of the server-side SMTP protocol, with some additional standard extensions. Its design goals include security, reliability, ease of configuration, and support for common use cases.
Source: www.linuxlinks.com

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 seems to be a lot more popular than OpenSMTPD. While we know about 115 links to Mail-in-a-box, we've tracked only 2 mentions of OpenSMTPD. 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.

OpenSMTPD mentions (2)

  • Has anyone setup a Linux based internal only smtp relay?
    I've had something of the same experience with Postfix, u/0x29aNull. Check out OpenSMTPD. It is lightweight and standards compliant. I know that there are packages for Debian and Alpine Linux. There may also be ones for Fedora/RHEL derivatives. I use it in my environment on OpenBSD. Source: about 1 year ago
  • DKIM Migration: Rpamd instead of DKIMproxy out on OpenBSD / OpenSMTPD
    When I installed Rspamd with on OpenBSD / OpenSMTPD the other day, DKIMProxy out (dkimproxy_out daemon), which had been got via OpenBSD Ports package system, was used to add DKIM signatures to mails in order to improve security on emails. - Source: dev.to / almost 3 years ago

Mail-in-a-box mentions (115)

  • Ask HN: Self Hosting an Email Server?
    I've been using https://mailinabox.email on a small VPS where I host a few other websites and projects. I'd recommend it for the management aspect: It has backup scripts and a UI for let's encrypt and dns entries. - Source: Hacker News / 3 months ago
  • Sandstorm, Tempest, and the Future
    I don't see why we are a long way away. At the sandstorm end, we need to get to the point, where all updates (of both sandstorm and the apps) on the user machine are automatic. Much like they are automatic on various OSes (mobile OSes in particular but also MacOS/Windows). This is not impossible if a single OS like Debian-testing is targeted. Mailinabox [1] almost does it. They target Ubuntu stable, and upgrades... - Source: Hacker News / 6 months ago
  • [advice needed] - Selfhosted Mail Server
    If you have a better solution, for example a good provider who offer agency packages which allows many domains and there is no catch, for example very small disk space, then hit me right away. Otherwise, please share your experience with hosting your own mail service. I found https://mailinabox.email/ and https://www.iredmail.org/ for example, but never had any experience with neither of them. Source: 10 months ago
  • what to use for self hosting email
    Mailinabox.email works great on a basic vps. Source: 10 months ago
  • Email server management on linux
    I have used mailinabox for many years on a digitalocean droplet. I've recently added-on a small-time SMTP relay provider who is using mxroute as their upstream service. Source: 11 months ago
View more

What are some alternatives?

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

Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

mailcow - An open source mailserver suite.

sSMTP - sSMTP is a simple MTA to deliver mail from a computer to a mail server.

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

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

Modoboa - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.

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