Leverage the email service that customer-first brands trust for reliable inbox delivery at scale.
Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible 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.
HTML_testsystem is a fairly flexible system for taking tests at no cost at all, except for the eventually needed webhosting. It is written entirely in HTML code and JavaScript. An Excel workbook is provided to enter questions in a comfortable way.