OpenSMTPD vs Microsoft SMTP Server

Struggling to choose between OpenSMTPD and Microsoft SMTP Server? 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, Microsoft SMTP Server is a Network & Admin product tagged with smtp, email, server, microsoft.

Its standout features include Built-in SMTP server for Windows Server, Supports SMTP over SSL/TLS for secure email delivery, Integrates with Active Directory for authentication and access control, Supports email relay and smart host configurations, Antispam and antivirus filtering capabilities, Web-based management console for administration, Monitoring, logging and reporting of email traffic, and it shines with pros like No additional software required for basic SMTP services, Tight integration with Windows Server and Active Directory, Familiar management for Windows administrators, Scales well for large enterprises, Cost-effective compared to third party solutions.

Feature	OpenSMTPD	Microsoft SMTP Server
Overall Score	N/A	N/A
Primary Category	Network & Admin	Network & Admin

Product Overview

OpenSMTPD

Description: OpenSMTPD is an open source SMTP server daemon for Linux and BSD operating systems. It aims to be a free, secure, and featureful SMTP server for both hosting providers and end users.

Microsoft SMTP Server

Description: Microsoft SMTP Server is a software component included in Windows Server that enables the server to send and receive email using SMTP. It provides a reliable and easy-to-manage email delivery system for organizations.

Key Features Comparison

OpenSMTPD Features

• 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

Microsoft SMTP Server Features

• Built-in SMTP server for Windows Server
• Supports SMTP over SSL/TLS for secure email delivery
• Integrates with Active Directory for authentication and access control
• Supports email relay and smart host configurations
• Antispam and antivirus filtering capabilities
• Web-based management console for administration
• Monitoring, logging and reporting of email traffic

Pros & Cons Analysis

OpenSMTPD

Pros

• 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

Cons

• Limited user interface/admin dashboard
• Steeper learning curve than commercial options
• Requires more technical expertise to setup and manage
• Lacks some enterprise features found in commercial SMTP servers

Microsoft SMTP Server

Pros

• No additional software required for basic SMTP services
• Tight integration with Windows Server and Active Directory
• Familiar management for Windows administrators
• Scales well for large enterprises
• Cost-effective compared to third party solutions

Cons

• Limited feature set compared to full-fledged email servers
• No webmail or collaboration capabilities
• Lacks advanced security, compliance and archiving features
• Requires Windows Server operating system
• Not suitable for small or non-Windows environments

Pricing Comparison

OpenSMTPD

• Open Source

Microsoft SMTP Server

• Free
• One-time Purchase