SMTP

SMTP/Email to SMS

When developers search for an SMS Gateway, one of the reasons they turn to us is Clickatell’s SMS APIs. These include the HTTP/S API, FTP API, SOAP API, SMPP API, XML API, SMTP API and COM Object. Fast, simple, reliable and built in such a way that they integrate with any system or application, all our APIs come with SMS example code and allow developers to create applications offering businesses online international SMS services - services supported by our reliable bulk SMS Gateway.

Send email to SMS with the SMTP API

Today more than 5 billion people own a mobile phone and are able to receive SMS. Businesses and organisations the world over have realised the huge potential of interacting with the clients, suppliers and employees using email to SMS. If you want to connect to our SMS Gateway and send email to SMS, the best way is often with a server-generated e-mail, making the bulk SMS SMTP API the connection you need. This is the industry standard used by operators to interconnect for high-volume messaging. It's also particularly useful for notification alerts.

With the largest SMS Gateway in the world, covering more than 960 networks across more than 220 countries and territories, Clickatell is perfectly positioned to be one of the world’s best email to SMS Gateway. Today more than 13 000 businesses and organisations across the world use our email to SMS messaging solutions to send high volumes of messages quickly and reliably.

Use email to SMS to send sms notifications, sms reminders, sms alerts or any other type of text message all over the world via an email server and our bulk SMS SMTP API.

See how other businesses and organisations are using the SMTP API

VG Auction provides gamers with an expedient, economical and fair website in which users can post virtual assets and buyers can enter the bidding arena in a safe and enjoyable atmosphere. VG Auction uses email to SMS to inform members on the site when their item has been sold or bided on.
Read more about how VG auction uses email to SMS in their business.

Metcheck Metcheck is the UK and Irelands premier weather alert service and uses email to SMS to inform their users of the latest weather forecasts.
Read more about how Metcheck uses email to SMS in their business

Nest Energy Systems checks the energy and security status of solar energy stations constantly. If they detect a serious problem, Nest Energy Systems uses email to SMS Alerts to immediately inform their customers of the situation.
Read more about how Nest Energy Systems uses SMS email to SMS in their business.

Qwise implements and supports solutions for a number of customers including Dutch banks, manufacturers and the Dutch Government. Qwise uses email to SMS Alerts to inform their system engineers when a system’s status has changed - allowing engineers to react immediately they receive the alert.
Read more about how Qwise uses email to SMS in their business.

Hotelzon International is one of the oldest hotel booking agencies in Europe and uses email to SMS booking confirmations to enable their customers to receive reservation codes, hotel names and address and arrival and departure dates.
Read more about how Hotelzon International uses email to SMS in their business.

Dawsons a music store in the UK uses email to SMS reminders to quickly and reliably inform customers to return to the store to collect their repaired goods.
Read more about how Dawsons uses email to SMS in their business.

Features of the SMTP API

  • Like all our APIs, the SMTP connection supports text, Unicode, binary SMS and flash messaging.
  • It gives you support for extended length messages.
  • You're able to use our converters to turn ringtones and logos into the correct format.
  • You can use our VCard and VCal converters.
  • Delivery acknowledgement and Sender ID can be set up.
  • Gateway escalation: Should the message be delayed for a predefined length of time, it can be escalated to an alternative delivery gateway. Queuing lets you specify up to 3 prioritized queues which your messages can be sent out on.
  • Delivery delay gives you the ability to specify a delay of up to 7 days when sending messages.
  • You can set up batch sending.
  • While two-way messaging is not a feature of SMTP you can always make use of HTTP, FTP or SMPP to receive incoming messages.

SMTP API Quickstart Guide

This tutorial will explain in just a few simple steps how you can send an SMS using Clickatell’s SMTP API.  Note: in the manual example outlined below it is assumed that developers will utilize server-generated commands to insert these posts into their code automatically. How to connect via SMTP:


  • Step 1

    Sign up for an SMTP account and you will be given a username, password and api_id: keep these at hand.  Once you have registered and been activated you will receive 10 free credits with which to test our service.

  • Step 2

    Have the number you wish to send to ready in international format e.g. 448311234567.

  • Step 3

    Open your Email client (e.g. Microsoft Outlook). Create a new email in text (not html) format. In the address field type: sms@messaging.clickatell.com

  • Step 4

    Type your account and message details in the body of the email, laid out as follows
    User: xxxx
    Password: xxxx
    Api_ID: xxxx
    To: xxxxxxx
    Reply: youremail@yourdomain.com
    Text: Meet me at home

  • Step 5

    Press send and your message will be delivered.

    Sign up for Developers’ Central now and get 10 free test messages