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Sendmail vs SME Server

Professional comparison and analysis to help you choose the right software solution for your needs.

Sendmail icon
Sendmail
SME Server icon
SME Server

Sendmail vs SME Server: The Verdict

⚡ Summary:

Sendmail: Sendmail is a widely used open-source mail transfer agent (MTA) for routing and delivering email on Unix and Linux systems. It handles routing emails between mail servers and delivers them to local users' mailboxes.

SME Server: SME Server is an open source Linux distribution based on CentOS designed for easy deployment of servers for small and medium businesses. It includes pre-configured applications like email, web hosting, firewall, etc.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Sendmail SME Server
Sugggest Score — —
Category Network & Admin Network & Admin
Pricing Open Source Open Source

Product Overview

Sendmail
Sendmail

Description: Sendmail is a widely used open-source mail transfer agent (MTA) for routing and delivering email on Unix and Linux systems. It handles routing emails between mail servers and delivers them to local users' mailboxes.

Type: software

Pricing: Open Source

SME Server
SME Server

Description: SME Server is an open source Linux distribution based on CentOS designed for easy deployment of servers for small and medium businesses. It includes pre-configured applications like email, web hosting, firewall, etc.

Type: software

Pricing: Open Source

Key Features Comparison

Sendmail
Sendmail Features
  • Mail Transfer Agent (MTA) for routing and delivering email
  • Runs as a daemon on Unix/Linux systems
  • Uses SMTP protocol for sending outgoing mail
  • Uses a flexible configuration file to control mail routing
  • Supports aliases, mailing lists, forwarding, filtering
  • Integrates with LDAP directories for authentication
  • Includes anti-spam and anti-virus capabilities
SME Server
SME Server Features
  • Web server (Apache)
  • Mail server (Postfix)
  • Firewall
  • VPN
  • File sharing
  • Intrusion detection
  • Antivirus
  • Antispam
  • Webmail (Horde)
  • Groupware (Kolab)
  • Monitoring tools

Pros & Cons Analysis

Sendmail
Sendmail
Pros
  • Widely used and well established
  • Open source and free
  • Highly scalable and reliable
  • Flexible configuration options
  • Supports security features like TLS
  • Integrates with other tools via Milter interface
Cons
  • Complex configuration syntax
  • Steep learning curve
  • Requires expertise to properly secure
  • Not user friendly administrative interface
SME Server
SME Server
Pros
  • Easy to install and configure
  • Good selection of preconfigured services
  • Active community support
  • Free and open source
Cons
  • Limited scalability for large deployments
  • Relies on older versions of some software components
  • Limited selection of supported hardware

Pricing Comparison

Sendmail
Sendmail
  • Open Source
SME Server
SME Server
  • Open Source

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Learn More About Each Product

Sendmail
Sendmail
Reviews, pricing & alternatives →
SME Server
SME Server
Reviews, pricing & alternatives →

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