SMTP.com
Reliable SMTP relay services and email delivery services. You can send and track large volumes of emails with ease using powerful email delivery services. In minutes, integrate and you can start sending. All your email delivery, transactional and email relay needs are covered under one roof. SMTP can deliver whether you need a reliable backend solution or scalable infrastructure to handle large volumes of emails. Reputation Defender, SMTP's proprietary technology, uses big data to proactively monitor and protect your email list health. It also suppresses bad emails from soft and hard bounces in order to protect your IP reputation and domain. This will ensure that your delivery rates and inbox placement gradually improve over time.
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Critical Impact
Critical Impact allows you to amplify and facilitate your email marketing strategies.
Our platform allows you to efficiently monitor your email and messaging portfolio, send edited and scheduled emails and text messages (SMS) for your advertising efforts with an affordable pricing structure.
Our subscriber assessment technique digs deep into your data to quickly find the subscribers who are most likely to read your next email, receive more emails, or make an additional purchase.
With our user-friendly interface, you can schedule the forwarding of your communications in seconds. Choose your sending options on a single page, then avoid errors by viewing the configuration of all your submission details.
Even rate your email on display, from phone, tablet to monitor.
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ClickSend
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.
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SendGrid
Partner with the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. The Twilio SendGrid Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption.
Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale, while maximizing inbox placement and protecting your reputation as a trusted sender. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.
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