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STOP SMS : what is it?
The "STOP SMS" sign is an anti-spam device that provides recipients of SMS messages with a simple means of objecting to and/or unsubscribing from the message sender's mailing list.
In accordance with the GDPR's directives and to protect the consumer, this statement must be displayed for any SMS advertising campaign sent on a mobile phone.
Overview of STOP SMS...
WHAT THE LAW SAYS...
The case
SMS advertising
Advertising SMS may not be sent without the express prior consent of the recipient. What's more, the French Data Protection Authority (CNIL) requires all SMS commercial campaigns to include a simple, free (i.e. not surcharged) unsubscribe option, the "STOP SMS".
The case
informative SMS
In the case of sending a mobile message in the form of an informative text (e.g. confirmation of an appointment, follow-up of reservations, purchases or orders, alerts, sending of a confirmation code, etc.), there is no obligation to include the "STOP SMS" in the message.
The risks
In case of non-compliance
In the event of a complaint being lodged by a recipient of SMS abusive or non-compliant promotional marketing campaigns, the law stipulates a fine of up to €20,000 against the spamming company. In other words: keep your SMS prospecting within the law!
Recipient side
- Be careful when giving out your mobile phone number. You should be able to give your consent (or not) to the commercial use of your personal data by the company collecting this information and possibly by its commercial partners.
- Send a message including the word "STOP" in the message to the short number (5-digit number) of the SMS received.
- If, however, you find that the SMS you have received is abusive and unwanted, and that the sender's number is missing, you can report this spam SMS on the 33700 service provided for this purpose.
Go to the platform for fighting voice and fax spam SMS
Sender side
- To comply with the legislation on SMS advertising, you are required to offer recipients of any commercial SMS the simple unsubscribe/unsubscribe feature by clearly stating at the end of the message “STOP + short number” or a link to a page to unsubscribe (service for countries outside France). Be careful if this mention “STOP SMS " is not present, some mobile operators reserve the right not to distribute your mobile advertising message. This feature is offered on our platform: each unsubscribe request, managed automatically by our system, excludes the number of the recipient who made the request from your contact databases and therefore from any subsequent campaign.
- If you do not comply with this legal obligation, you may be fined up to €20,000 in the event of a complaint.
- On the other hand, if the SMS sent is for information purposes, you are not required to add the words "STOP SMS".
- Unsubscription management is carried out automatically by our system. Therefore, when you receive SMS containing a request to unsubscribe, the telephone number is automatically deleted from your address book and you will no longer send it any commercial prospecting by SMS.
IN BRIEF
- STOP SMS is compulsory for all SMS businesses.
- the simple process for the recipient who has the possibility of no longer receiving SMS by sending only “STOP” to the short number of the received message.
- our platform automatically integrates the recipient's request, automatically unsubscribes them from the address book and sends them a SMS confirmation of unsubscription.
The smsmode© platform

Our platform and its associated APIs enable you to carry out all your marketing campaigns by sending SMS individually or in bulk, while complying with your legal obligations.