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OpenSMTPD VS iRedMail

Compare OpenSMTPD VS iRedMail 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...

iRedMail logo iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
  • OpenSMTPD Landing page
    Landing page //
    2019-03-05
  • iRedMail Landing page
    Landing page //
    2022-10-18

OpenSMTPD videos

+ Add

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

iRedMail videos

+ Add

Part 1: iRedMail

More videos:

  • Tutorial - Complete Email Server iRedMail Installation Tutorial

Category Popularity

0-100% (relative to OpenSMTPD and iRedMail)

OpenSMTPD

iRedMail

SMTP Server
22 22%
SMTP Server
78% 78
Email
13 13%
Email
87% 87
MTA
100 100%
MTA
0% 0
Self-hosted Email
0 0%
Self-hosted Email
100% 100

User comments

Share your experience with using OpenSMTPD and iRedMail. 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 iRedMail

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

iRedMail Reviews

10 Microsoft Exchange Server Alternatives
iRedMail is a free email server solution that is a fully-fledged and open source project. This platform can use the official binary package from the distributions of Linux/BSD, having the support of both i386 and x86/64. It is easy to use with a fast deployment process in almost less than one minute. iRedMail allows the user to work on both virtualized and non-virtualized...
Source: www.justalternativeto.com
15 Best iRedMail Alternatives 2021
You might want a service that offers better security and protections, more features, or faster processes than what iRedMail provides. Hence, it’s important to consider other options out there that can competently replace iRedMail.
Source: rigorousthemes.com
The BEST Email Hosting Providers for Small Business in 2021
There are three products offered by iRedmail. The first one is the iRedMail downloadable installer. To start with iRedMail you need to download the installer package, and after installation, you need to set up DNS records for your iRedMail server. After you have done these two steps, you will need to upgrade with additional installations. The second one is iRedMail Easy....
Source: www.thesearchengineshop.com
15 Best Email Hosting for Small Business (2019)
iRedMail is an open source mail server since 2007. It works on most Linux/BSD distributions. It offer paid version ($499/year) with professional support.
Source: blog.runcloud.io

Social recommendations and mentions

iRedMail might be a bit more popular than OpenSMTPD. We know about 2 links to it since March 2021 and only 2 links to 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

iRedMail mentions (2)

  • Selfhosted backup solution for iCloud Backup
    For photo I use Immich. For contact and calendar I use my own mail server (iRedMail). For Cloud I have my own nextcloud server. With nextcloud you can sync contact and calendar of uou don't have a mail server likes iRedMail. Source: 10 months ago
  • I am highly excited and overjoyed to share this post.
    I used to spend all my time maintaining e-mail quirks for my server. Adjust this, updated that, fix this breakage, yada yada. But then I decided to setup iRedMail which uses postfix, dovecot, certbot, roundcube, spamassasin, mariadb, ldap and all the bells and whistles. All I have to do now is make sure I don’t break it doing any software upgrades on freebsd. 10/10 scores after configuring and blacklist free. Source: about 2 years ago

What are some alternatives?

When comparing OpenSMTPD and iRedMail, you can also consider the following products

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

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.

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

mailcow - An open source mailserver suite.

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

Roundcube - Web-based IMAP email client

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