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June 04, 2024 - 3 min read

Fake DLRs (DeLivery Receipts)

Image by Elsa Paparone
Elsa Paparone

Elsa Paparone

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Introduction

For some years now, the mobile messaging sector has been faced with a major challenge, posed by the increase in fake DLRs or false acknowledgements of receipt. These practices, often used for financial optimization purposes (by reducing the actual number of SMS sent, for example), are particularly difficult to detect and sometimes almost impossible to eradicate.

A typical example: out of a campaign of 10,000,000 SMS, only 9,900,000 SMS are actually sent, the rest being marked as received with the help of fake DLR, without ever having been sent. This manipulation lowers the purchase price.

These false acknowledgements are generated by two sources:

  • mobile network operators,
  • aggregators SMS.

At smsmode©, we do our utmost to provide our customers with a service that is both reliable and secure. Discover our solutions SMS implemented by our professional teams to effectively mitigate this risk.

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What is a DLR fake?

Fake for fake, DLR for DeLivery Receipt. Fake DLR is a false delivery receipt claiming that your SMS has been delivered, when in fact the operator or aggregator has rejected the message. In other words, it's a deception about the delivery status of your SMS. This technique can be used as part of a marketing campaign by SMS to offer a lower price than the 100% direct route...

For the sender, the DeLivery Receipt represents a vital source of information on the status of the SMS he has sent. It is therefore crucial for us to ensure the reliability of our routes in order to offer you the most efficient service and the most transparent feedback possible on the status of your SMS.

What is the origin of this risk?

Some unscrupulous operators or aggregators, lured by the lure of profit and the idea of making a 100% profit on part of their shipment, don't hesitate to generate fake DLRs . Easy to set up, fake DLR represents a highly lucrative business for these players.

How are the fake DLR generated?

Sending and receiving a SMS message seems like child's play. However, before reaching its destination, the message passes through a number of intermediaries. The quality of each route SMS takes depends on a number of factors. 

Almost all SMS messages generate two DLRs : a delivery receipt and a delivery report. The delivery receipt indicates whether the message sent is accepted or rejected. The delivery report indicates whether the message was sent or failed, and the reasons for the failure.

These status changes from SMS are vital, especially when sending large campaigns. DLR also provides invaluable information on the route taken by your SMS, the time of delivery (timestamp), whether they are queued, and whether they have not yet arrived.

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What impact do these fake DLRs have on our business?

For you?

False DLRs can disrupt your traffic. In fact, these fictitious acknowledgements of receipt seriously undermine the real performance of your SMS campaigns. It's impossible to gauge the quality and effectiveness of your mailings without them. Companies using SMS marketing services can receive false acknowledgements of receipt to artificially inflate their delivery and success rates, thus distorting performance reports.

The result is a loss of confidence on the part of companies in their mobile messaging service provider, as well as financial losses due to false performance reports and additional costs to verify the authenticity of acknowledgements of receipt, and pressure on the official sales prices of A2P routes.

For us as a solution provider SMS ?

You simply lose confidence in our services SMS ! This is unthinkable for a company that wants to build a relationship with its customers based on reliability. That's why we take these issues very seriously, and want to reassure you about the quality of the solutions we provide.

The solutions proposed by smsmode© to fight against fake DLR

Our team of professionals has set up a solution to verify the performance of SMS shipments worldwide. The aim is to use monitoring tools to measure and evaluate the quality of our French and international shipments.

Set up:

Conclusion

Fake DeLivery Receipts" represent a significant challenge to mobile messaging, affecting the reliability and integrity of communications. Vigilance, collaboration with reliable suppliers, and the implementation of rigorous controls are essential to counter this threat.

Our team advises you

Interested in our services? Our sales and technical teams are at your disposal to answer any questions you may have about our solutions SMS and to advise you on setting up your SMS campaign.

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