sSMTP vs OpenSMTPD

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

sSMTP is a Network & Admin solution with tags like smtp, email, client, linux.

It boasts features such as Lightweight SMTP client for sending email, Does not receive or store email messages, Supports SMTP authentication, Easy to configure and install, Works without a full mail server and pros including Simple and easy to use, Small resource footprint, Wide platform support, Open source and free, Allows scripts and apps to send email.

On the other hand, OpenSMTPD is a Network & Admin product tagged with smtp, mail-server, email, linux, bsd, open-source.

Its standout features include 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 it shines with pros like 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.

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.

sSMTP

sSMTP

sSMTP is a lightweight SMTP client that can be used to send email from Linux servers. It allows Linux machines without a full mail server to relay mail through an external SMTP server, enabling applications and scripts to automatically send emails.

Categories:
smtp email client linux

SSMTP Features

  1. Lightweight SMTP client for sending email
  2. Does not receive or store email messages
  3. Supports SMTP authentication
  4. Easy to configure and install
  5. Works without a full mail server

Pricing

  • Open Source

Pros

Simple and easy to use

Small resource footprint

Wide platform support

Open source and free

Allows scripts and apps to send email

Cons

Limited functionality compared to full mail servers

No email storage or mailbox capabilities

Lacks advanced email features like encryption

Requires an external SMTP server


OpenSMTPD

OpenSMTPD

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.

Categories:
smtp mail-server email linux bsd open-source

OpenSMTPD Features

  1. Open source SMTP server
  2. Supports SMTP over TLS/SSL
  3. Milter support for spam and virus filtering
  4. Daemon mode for background operation
  5. IPv4 and IPv6 support
  6. SMTP AUTH login, plain and cram-md5
  7. STARTTLS support
  8. DKIM signing and verification
  9. SMTP pipelining
  10. Queue control and delivery modes
  11. Virtual domains and users
  12. SMTP client mode

Pricing

  • Open Source

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