Apps with 'SMTP Server' feature Page 3 of 3

Sendpit is a hosted email testing sandbox designed for developers and QA teams. It allows applications to send emails to a safe inbox where messages can be inspected, debugged, and tested without being delivered to real users.

MX Outbound is an alternative outgoing SMTP Mail Server, SMTP Mail Relay and SMTP SmartHost.

AzMailer automates file and workflow management: renaming, merging PDFs, creating XRechnungen, emailing, printing, copying, and uploading files. It supports FTP, scheduled triggers, and script execution, enabling seamless automation for document handling and ERP tasks.

The cost-efficient SMTP server provider for all your email marketing needs that ensures optimal and fast email delivery by reaching email directly into your customer’s inbox.

Lettre is a mailer library for Rust.

Mox is a modern full-featured open source secure mail server for low-maintenance self-hosted email.

EmailSuccess, an advanced SMTP Server (MTA) built from the ground up to handle the most critical reliability, performance, security, and deliverability requirements.

A simple API and Dashboard to manage and optimize emails sent by your application to your customers.

A lightweight mail server with SMTP and POP3 support. It mainly used as store-and-forward mail server with POP access to spooled messages or it can be used as a personal internet mail server.

AuthSMTP is the outgoing SMTP email service for your e-commerce website, mailing list or email application on most current computers and mobile devices.

InboxRoad is a trustworthy expert in email deliverability. If you would like your emails to reach the inbox of your customers, we are there for you! We are a SMTP relay service able to connect to many email campaign systems.

Test your SMTP server instantly with this free online tool from SMTPProvider. Diagnose email delivery issues, check server response, and verify your SMTP settings—no installation required. Fast, reliable, and easy to use!.

A fake SMTP server for software integration testing.

Instantly test and verify your email server setup—like Gmail, Outlook, SES—by providing clear real-time feedback on connection, authentication, and delivery status.

Simple, easy and secure mail server with a convenient and simple interface. Automatic certificate renewal through Let’s encrypt. Redirect, local storage. IMAP and SMTP.

Matrix <-> Email bridge in a form of an SMTP server.