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qmail VS OpenSMTPD

Compare qmail VS OpenSMTPD and see what are their differences

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qmail logo qmail

qmail is the name of an advanced level of mail transfer agent for the UNIX based operating systems.

OpenSMTPD logo OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
  • qmail Landing page
    Landing page //
    2023-09-14
  • OpenSMTPD Landing page
    Landing page //
    2019-03-05

qmail videos

+ Add

QmailAgent - A Mailroom Center for Your Private Cloud

More videos:

  • Review - QNAP QmailAgent - A mailroom center for your private cloud (EN)

OpenSMTPD videos

+ Add

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

Category Popularity

0-100% (relative to qmail and OpenSMTPD)

qmail

OpenSMTPD

Email
50 50%
Email
50% 50
SMTP Server
44 44%
SMTP Server
56% 56
Self-hosted Email
100 100%
Self-hosted Email
0% 0
MTA
23 23%
MTA
77% 77

User comments

Share your experience with using qmail and OpenSMTPD. 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 qmail and OpenSMTPD

qmail Reviews

We have no reviews of qmail yet.
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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

Social recommendations and mentions

Based on our record, OpenSMTPD seems to be more popular. It has been mentiond 2 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.

qmail mentions (0)

We have not tracked any mentions of qmail yet. Tracking of qmail recommendations started around Mar 2021.

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

What are some alternatives?

When comparing qmail and OpenSMTPD, 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.

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.

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

Emails - Simple, easy and secure mail server with a convenient and simple interface.

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