Open your email client and start a new email.

For the To address, enter the contact's phone number followed by your email2sms email address.
​This email address is provided to you, along with your account code, when you complete the registration process for Email2SMS.
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For the subject, enter your account code, the destination two-letter country code, and the originator (from name). Each separated by a number sign (#).

​The phone number can be in international or local format. For example, 447123123123 is international format for the UK. If you use a local format, you must specify the country code using the COUNTRYCODE option and value. For example, Great Britain is GB.
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For the message body, enter your message. Remember this is an SMS, so keep it short.
Messages can be a maximum of 10 SMS segments.
​Learn more in SMS message length and Unicode.
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At the end of the message body, insert the closing tag #end#. We won't include anything after the closing tag in the message.

​You must use the #end# tag to make sure you don't include unwanted content and gain unwanted charges.

When you're ready, send your message.