Best Transactional Email Services for Microsoft Outlook

ClickSend offers SMS, MMS, Voice, Online Mail, Email and Fax software for businesses. Our communications and messaging tools are simple to use, automate and integrate. That’s why they’re used by some of the most trusted brands, organisations and developers globally. Built for all, you can access ClickSend via our Dashboard, mobile app, flexible API or 900+ integrations. Plus, ClickSend offers helpful 24/7 support, and lightning fast delivery via a secure and reliable platform. From SMS marketing and alerts to bulk mailouts sent from your browser, join over 90,000+ businesses sending communications around the world. Our 100% uptime guarantee and lightning fast direct routes provide reliable messaging, no matter the channel. From small businesses to enterprise, ClickSend powers billions of messages around the world with 232+ direct carrier connections. Plus, ClickSend is always pay-as-you-go. That’s why ClickSend is business communications, solved.

KingSMTP (formerly known as Kingmailer, founded in 2017) is a simple and fully featured mail server / SMTP service for use by anyone, not just developers. Start sending, receiving or routing your emails with a few clicks.

Choose the best email SMTP or API for the most robust delivery experience. Netcore Email API, formerly known as Pepipost, provides a powerful transactional inboxing and AI-powered email delivery infrastructure that is reliable, scalable and secure, and at the most affordable price plans. We help brands engage with their customers with the right content at the right time via emails.

Deliver emails on time to both the business and public mailboxes of recipients. Monitoring the IP and domain of an organization's email senders in real-time allows you to monitor their reputation. You can send transactional emails within minutes with the API. With the cloud API and webhook, you can process inbound emails, track opens & clicks, and handle bounce efficiently. Aritic Mail delivers transactional email to your customers quickly and on-time. Aritic Mail delivers transactional emails immediately with zero lag in email delivery speed or inbox placement. Email delivery is made possible by Aritic Mail's cloud-based email server. It also provides constant email delivery monitoring. Aritic Mail API is compatible with almost any programming language. Manage your email reputation and send all emails to your Organization through Aritic Mail Api.