Why don’t my contacts receive the SMS I sent?

If you notice that your SMS shows Delivered, but your recipients never received them, it is possible that the delivery providers have restricted your content.

If this is your case, we will help you understand why it happens and how to solve it 🙂

 

What are shipping providers?

From Doppler we have different telecommunications operating companies in each country, as providers to send SMS to your contacts.

Each of the countries to which you can send SMS from Doppler, have their own restrictions on the type of content that is allowed to be sent and in the event that these regulations are not respected, your messages could be restricted.

For this reason, from Doppler we tell you what you must take into account so that your campaigns are successful.

 

Tips and restrictions

There are some points that you must take into account depending on the country of the recipient of your message and some general good practices that will help you maximize the effectiveness of your shipments.

 

Always ask permission

Never send an SMS to a client who has specifically not agreed to receive your messages. To accomplish this, make sure all of your contacts have opted-in to your contact list.

What is opt-in? We call this the process by which a user explicitly gives us permission to send him messages. If you want to learn more about what opt-in is and how to configure it, you can visit our article “Single and Double Opt-in Forms: What are they and how can i set them up

This guarantees your consent and prevents us from becoming spammers. Also, make sure you don’t put up unnecessary obstacles if your contacts want to opt-out, that is, unsubscribe from your list.

Check the schedule

Some countries may restrict your message depending on the time you send it.

Be sure to send your SMS during the day and avoid night hours. Besides, beyond the restrictions of each country, your contacts will thank you for not waking them up in the early morning 😉

 

Keep the rules in mind

Some regions have specific requirements for SMS campaigns. If you violate the regulations of the places where your customers reside, it is very likely that your contacts will not receive your messages.

Therefore, we have detailed some important points for you to keep in mind when sending text messages to the following countries:

 

Argentina
❌​ Political content is restricted

 

Chile
❌​ Content about alcohol, drugs or politics is restricted

 

Colombia
✔️​ Requires opt-in to receive political content. In addition, you must specify that the message is “Paid political content”
✔️ The time allowed to send promotional content is from 8:00 a.m. to 8:00 p.m.

 

Mexico
✔️​ Requires opt-in
✔️ The time allowed to send promotional content is from 7:00 a.m. to 9:00 p.m.
❌​ Religious, political, or sexual content is restricted

 

Peru
✔️​ Opt-in required to receive marketing content or promotions
✔️ The time allowed to send promotional content is from
-Monday to Friday from 8:00 a.m. to 8:00 p.m.
-Saturdays from 9:00 a.m. to 1:00 p.m.
Transactional SMS have no time restriction
❌​ Political content is restricted

 

Spain
✔️​ Requires opt-in. The user’s consent must be explicit and very specific
That is to say that, for example, it cannot be included in an instance where he/she must accept a large number of Terms and Conditions. The person must be fully aware of what he/she is accepting
✔️ Right to request opt-out

 

United States

✔️​ Opt-in required to receive marketing content or promotions
✔️​ Right to request opt-out
❌​ Content on alcohol, tobacco and firearms is restricted
❌​ URLs have a high probability of being blocked
❌​ The euro symbol (€) is not supported with some operating companies

 

You already know everything important to start sending successful SMS 🙂

And remember that if you have more questions, you can contact our Customer Service team by WhatsApp. We will be happy to help you with whatever you need.

 

 


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