Best EmailRelay Alternatives in 2026

Looking for something different? Here are the top alternatives to EmailRelay, including direct competitors and similar tools.

Why Look for EmailRelay Alternatives?

While EmailRelay is well-rated (6.5/10), it might not be the perfect fit for every team. Common reasons users switch: lacks a graphical user interface (gui), requiring command-line configuration., its configuration uses a custom syntax, which can be less intuitive than standard formats like yaml or json for new users.. Explore the alternatives below to find the best match for your specific needs and budget.

E

EmailRelay

OPEN SRC

6.5(0)

A small and easy to configure SMTP and POP3 server for Windows and Linux.

■ INTELLIGENCE BRIEFING — Weekly tool drops. No spam.

VLC Media Player

Free media player that plays almost any audio or video format

MariaDB

Community-developed MySQL fork with enhanced features

MySQL

Popular open-source relational database for web applications

Apache HTTP Server

Venerable web server powering websites since the early internet

Nginx

High-performance web server and reverse proxy

Prometheus

Open-source monitoring and alerting toolkit for cloud-native

Elasticsearch

Distributed search and analytics engine for all data types

PostgreSQL

Advanced open-source relational database system

MongoDB

Document database for modern application development

Redis

In-memory data store for caching and real-time applications

Bitbucket

Git repository hosting with built-in CI/CD for teams

CircleCI

Cloud-native CI/CD platform for automated software delivery

Haraka

Fast, highly extensible, and event driven SMTP server

Dovel

SMTP server that sends and receives emails according to a simple configuration file, with an optional web interface that you can use to browse your emails