One of seven SMS APIs offered by Clickatell. Clickatell covers over 819 networks in more than 220 countries. You will be able to send SMS messages around the world to your clients, staff or user-database. All Clickatell APIs support text, Unicode, binary SMS and flash messaging.
SMTP provides connectivity from legacy server, particularly server-generated e-mail. As an industry standard used by operators for high-volume messaging, SMTP is particularly useful for notification alerts. It gives you support for extended length messages, converters, delivery acknowledgements and sender ID, and allows you to set up batch sending. SMTP further provides access to gateway escalation and queuing.
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