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.
Cost / License
- Freemium
- Proprietary
Platforms
- Online

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.

We are a team of dedicated professionals who specialize in providing high-quality email delivery services to businesses and organizations of all sizes. Our mission is to help our clients achieve their email deliverability goals by providing reliable and efficient SMTP services.

Gray Duck Mail is an alternative to email discussion group software such as Mailman and Sympa designed to be easy to set up and easy to manage. Gray Duck Mail monitors a remote mail server for messages and processes them by relaying the message to all list members.


Having problems with your WordPress site not sending emails? You’re not alone. Over 3 million websites use WP Mail SMTP to send their emails reliably.




The main purpose of Maileroo is to provide a transactional email service with real-time analytics and reporting, focusing on high deliverability and performance tracking of emails.




Stop paying $500+/year for fragmented email tools. Swift MailBase delivers ALL 5 mission-critical B2B email systems in one unified platform — for a single $49 payment that lasts FOREVER.




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




Easy to use, Low Cost, Email Marketing. Powerful email marketing web service that is extremely easy to use. Manage your subscribers, send your campaigns and track results.




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.
MailSite Email Servers provide high quality,easy to use email solutions for businesses, enterprises and service providers that require secure, scalable email hosting software with integrated anti-spam, anti-virus,content filtering & attack prevention.


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.
Unified waterfall enrichment with real-time SMTP verification, bulk list processing, catch-all detection, multi-provider data and REST API integration.

With MailingBoss New Lifetime Account, You Can Capture and Send Unlimited Emails with Superior Delivery and Open Rates

MailDeck is the market-leading enterprise cold email infrastructure platform, engineered from the ground up for high-volume senders who demand uncompromising deliverability at scale. Trusted by sales teams, growth agencies, and revenue organizations sending millions of emails...



A fake SMTP server for e-mail integration testing. We capture all the e-mails we receive and make them available via our website and REST API.
DevMail is an email sandbox service for software developers. It allows developers to capture emails from various environments and inspect HTML, text, source code, raw headers, and attachments, and improve deliverability by analyzing email spam scores.

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.
As the project name CryptoLyzer implies, it is a cryptographic protocol analyzer. The main purpose of creating this
Cipherscan tests the ordering of the SSL/TLS ciphers on a given target, for all major versions of SSL and TLS. It also extracts some certificates informations, TLS options, OCSP stapling and more. Cipherscan is a wrapper above the openssl s_client command line.