OpenSMTPD vs Courier-MTA

Struggling to choose between OpenSMTPD and Courier-MTA? Both products offer unique advantages, making it a tough decision.

OpenSMTPD is a Network & Admin solution with tags like smtp, mail-server, email, linux, bsd, open-source.

It boasts features such as Open source SMTP server, Supports SMTP over TLS/SSL, Milter support for spam and virus filtering, Daemon mode for background operation, IPv4 and IPv6 support, SMTP AUTH login, plain and cram-md5, STARTTLS support, DKIM signing and verification, SMTP pipelining, Queue control and delivery modes, Virtual domains and users, SMTP client mode and pros including Free and open source, Secure - supports encryption and authentication, Extensible and customizable via filters, Lightweight and high performance, Cross-platform - runs on Linux and BSD.

On the other hand, Courier-MTA is a Office & Productivity product tagged with mail-transfer-agent, mta, email, sending, receiving, routing.

Its standout features include Built-in SMTP server, Support for SMTP extensions like STARTTLS and DANE, Support for multiple domains, Flexible routing with regex and wildcard support, Plugin architecture for extensions, Web-based admin interface, Built-in antispam and antivirus capabilities, Email spooling and deferred delivery, Email authentication using SPF, DKIM etc, High performance and scalability, and it shines with pros like Open source and free, Highly customizable and extensible, Easy to install and configure, Good performance and scalability, Supports modern email protocols and extensions, Active development community.

To help you make an informed decision, we've compiled a comprehensive comparison of these two products, delving into their features, pros, cons, pricing, and more. Get ready to explore the nuances that set them apart and determine which one is the perfect fit for your requirements.