Apps with 'SMTP Support' feature Page 7 of 7

Flowmailer focusses on your inbox success. Easily connect all your source systems via SMTP or REST API and let Flowmailer deliver all your transactional emails. Sent via clean IP addresses, authenticated with SPF, DKIM, and DMARC to ensure your domain acquires a high reputation.

OpenMail gives AI agents their own email address - and everything that comes with it. Send a message, wait for a reply, act on what comes back. No human relay, no custom infrastructure. Just agents that can communicate with the world the same way people do.

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

Mail250 is a fully featured AI-Driven Bulk Email Marketing Software designed to serve Enterprises, Agencies, eCommerce, Bloggers, Startup, Small business and Marketers. Mail250 provides end-to-end solutions designed for Web App.

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.

TelQ is a cloud-based SMS testing tool that lets you send real test messages worldwide to instantly verify delivery quality, detect fake DLRs, and ensure your routes actually work.

Seamlessly manage invoices in 77 languages, through 8 currencies across 248 countries. Start creating professional invoices today. Join early adopters, simplify invoicing with FiscalBud for your billing and invoicing needs.

DMARCTrust makes it easy to protect your domains's reputation and ensure your emails actually reach the inbox.

Motorical is an independent, privacy-focused email infrastructure platform for developers. It combines the control of self-hosting with the ease of SaaS, featuring isolated SMTP credentials, an interactive API playground, and 100% EU-based hosting.

A Free, Lightweight, Easy-to-Use Email Sending and Logging Plugin for WordPress. Built for speed and performance, SPARK SMTP adds powerful functionality without slowing down your WordPress site.

Fake SMTP server for safe email testing. Stop accidentally spamming your customers.

Zorp GPL is a next generation, open source proxy firewall with deep protocol analysis. It allows you to inspect, control, and modify traffic on the application layer of the ISO/OSI model. Decisions can be made based on data extracted from the application-level traffic (for...

Private secure email. Ad free, spam free and encrypted. Topmail's email service is both secure and easy to use. It is available both on the desktop and via any mobile device.

ZeptoMail is a transactional email service. Transactional emails are important emails sent from your business. It acknowledges a transaction between you and your customers, like, OTP emails, order confirmation emails, password reset emails etc.