OpenSMTPD
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
OpenSMTPD Alternatives & Competitors
The best OpenSMTPD alternatives based on verified products, community votes, reviews and other factors.
Some of the top features or benefits of OpenSMTPD are: Simplicity, Security-focused, Lightweight, Integration with OpenBSD, and Active Community. You can visit the info page to learn more.
We have listed more than 10 alternatives to OpenSMTPD. You can find them below. The top competitors are: Postfix, Exim, and Sendmail. Apart from the top ones, people also compare OpenSMTPD with msmtp, ProtonMail, and sSMTP. "Best Free and Open Source Alternatives to Microsoft Exchange Server" is the last article that we know that reviews or compares OpenSMTPD to other products.
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/postfix-alternativesPostfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
Key Postfix features:
Security Performance Compatibility Reliability
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/exim-alternativesExim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
Key Exim features:
Highly Configurable Flexible Routing Active Community Support Efficient Transport Mechanism
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Visit websiteThe #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. .
Key MailReach.co features:
Deliverability Improving Email Warming Meaningful Warming Content Smart Warming Algorithm
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/sendmail-alternativesSendmail is a general purpose internetwork email routing facility that supports many kinds of...
Key Sendmail features:
Established Reputation Highly Configurable Open Source Wide Compatibility
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/mail-in-a-box-alternativesMail-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.
Key Mail-in-a-box features:
Ease of Setup Full Control Cost-effective Open Source
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/courier-mta-alternativesThe Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open...
Key Courier-MTA features:
Modular Architecture High Performance Open Source LDAP Support
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/ssmtp-alternativessSMTP is a simple MTA to deliver mail from a computer to a mail server.
Key sSMTP features:
Lightweight Easy Configuration Secure Email Sending Simplified Use Case
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/haraka-alternativesOpen source SMTP server written in Node.js.
Key Haraka features:
High Performance Plugin Architecture Open Source Asynchronous and Event-Driven
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/dragonfly-mail-agent-alternativesA small Mail Transport Agent (MTA), designed for home and office use. Part of ...
Key Dragonfly Mail Agent features:
Lightweight Simplicity Compatibility Minimal Dependencies
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/microsoft-smtp-server-alternativesConfigure SMTP e-mail in IIS when you want to deliver e-mail messages from your site.
Key Microsoft SMTP Server features:
Integration with Windows Server Simplicity Cost-effective Security Features
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/mailhog-alternativesMailHog is an email testing tool inspired by MailCatcher, but easier to install.
Key MailHog features:
Easy Setup Web Interface SMTP Server Simulation Integration with Development Environments
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/microsoft-exchange-server-alternativesMicrosoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
Key Microsoft Exchange Server features:
Integration Security Scalability Mobility
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/rspamd-alternativesRspamd is an advanced spam filtering system that allows evaluation of messages by a number of rules...
Key Rspamd features:
High Performance Modular Architecture Advanced Machine Learning Flexible Integration
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/inbucket-alternativesInbucket is an email testing application; it will accept messages for any email address and make...
Key Inbucket features:
Simple Setup Email Testing Web Interface Open Source
