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Regarding SMS sent by named sender, figting against spam and scams

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  Regarding SMS sent by named sender, figting against spam and scams "Carlos E.R." <robin_listas@es.invalid> - 2026-09-22 20:50 +0200

#156116 — Regarding SMS sent by named sender, figting against spam and scams

Spain.

<https://bandaancha.eu/articulos/cnmc-ya-permite-saber-quien-esta-detras-11926>

*The CNMC now allows users to find out who is behind an SMS signed with 
a text alias*

The official registry of SMS sender aliases finally went into effect a 
few days ago, after being delayed by more than three months from the 
initially planned date.

The CNMC grants companies the right to sign their SMS and RCS messages 
with a text alias instead of a number, but to do so, it must review each 
application individually to verify “the legitimate link between the 
alias and its owner.” This is a complex process that, even with the 
postponement, required a sort of last-minute “amnesty” in which all 
applications were automatically approved by default, although the CNMC 
may revoke them once they are reviewed individually in the coming weeks.

The importance of this registry lies in the fact that operators are 
required to consult it before delivering a message to its recipient. If 
the alias is not listed or the message comes from a source not 
authorized for that alias, the message is blocked and never reaches its 
destination.

Blocking unauthorized senders aims to prevent a type of fraud that has 
been widely exploited in recent years, in which fraudulent 
messages—using the alias of a bank, a public agency, or a well-known 
company—slip into the inbox alongside previous legitimate messages, 
making it easier for the victim to fall for the scam.

Along with the call filtering system, which has been in effect since 
June 2025, the blocking of text messages from unregistered aliases is 
the latest measure the government has implemented to combat spam and 
telephone fraud.

(Automated translation by DeepL)

... (continues on link)

<https://www.lavozdegalicia.es/noticia/economia/2026/09/13/cnmc-bloqueara-martes-sms-comerciales-alias-registrados-base-datos/00031789293910279375966.htm>

*Starting this Tuesday, the CNMC will block commercial SMS messages sent 
from aliases not registered in its database*

This milestone marks the rollout of the latest major measure in the 
government’s plan to combat telephone and SMS scams
September 14, 2026.

Companies, businesses, public administrations, and other organizations 
that use aliases as senders in their SMS, MMS, or RCS messages must 
properly register these identifiers by next Tuesday, September 15, in 
order to continue using them, according to the National Commission on 
Markets and Competition (CNMC). As of that date, mobile operators will 
block messages originating from aliases—brands, trade names, corporate 
names, or domains—that are not registered in the CNMC’s official 
database. This requirement applies to any entity that sends 
notifications identified by its name (such as banks, insurance 
companies, or transportation providers). Consequently, operators must 
block messages with registered aliases that originate from unregistered 
service providers. The new alias registry will make it possible to 
verify that communications actually come from the sending entity.

The measure aims to restore user confidence and strengthen their 
protection against identity theft scams (“smishing”), in which scammers 
make it appear as though a message comes from a legitimate organization. 
The initiative is part of the government’s Anti-Fraud Plan, implemented 
through a ministerial order that requires carriers to block fraudulent 
calls and text messages to ensure the continuity of legitimate services 
such as commercial information, delivery notifications, appointment 
reminders, and promotions.

(Automated translation by DeepL)


... (continues on link)

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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