MCMC SMS Rules 2026: What Can You Still Send?

MCMC SMS Rules 2026: What Can You Still Send?

MCMC now bans links, callback numbers and data requests in business SMS. Here is what SMS can still do, and which campaigns move to WhatsApp.

Siti NabilahSiti NabilahGeneral
18 Aug 26
10m
Part of the series:WhatsApp Blasting Malaysia: The Complete 2026 Guide for SMEs (Without Getting Banned)

If you searched for the MCMC SMS rules 2026 because your business SMS blast suddenly stopped delivering, here is the short version: Malaysia's regulator has stripped business SMS down to plain, link-free, one-way text. No URLs. No callback numbers. No requests for personal details. Marketing messages only between 8am and 8pm, sent with an RM0 prefix and your brand name attached.

Most of the advice ranking for this topic comes from SMS gateway vendors, and it all answers the same narrow question: how to keep your SMS blast compliant. This post answers the question that actually matters for your revenue: after these rules, what is SMS still for, and which parts of your marketing now belong on a different channel entirely?

Key Takeaway

The MCMC rules did not just restrict SMS marketing, they removed the three things that made it convert: the link, the callback number, and the reply. SMS in Malaysia is now a notification channel for receipts, reminders and codes. Any campaign that needs a click, a conversation or a booking has to move to an opt-in channel like WhatsApp, which has strict rules of its own.

What Do the MCMC SMS Rules 2026 Actually Ban?

Business SMS in Malaysia can no longer contain hyperlinks, callback phone numbers, or requests for personal information. The URL ban started as an anti-scam directive in September 2024 (MCMC, via Lowyat.NET) and is now fully enforced across every telco, with filtering applied at the network level (CelcomDigi support).

On top of the content bans, application-to-person (A2P) messages must identify the sender by brand name and carry the RM0 prefix showing the recipient pays nothing, and marketing sends are restricted to the 8am to 8pm window (15below).

The enforcement side has teeth too. Using SIM boxes or bulk SIMs to blast messages outside the licensed A2P system is an offence carrying fines up to RM100,000, up to two years in prison, or both (MCMC, via Business Today).

RM100,000
maximum fine for SIM box and bulk SIM blasting

That last point matters more than most SME owners realise. A lot of cheap "SMS blast" services sold on Facebook run exactly this way: racks of prepaid SIMs pushing retail promos. The customer paying a few sen per message rarely asks how that price is possible. Now the method itself is the offence.

Because scammers made the link the weapon. Smishing (SMS phishing) reached the point where a text from "your bank" with a login link was indistinguishable from the real thing, so the regulator removed the mechanism for everyone rather than trying to referee case by case. When MCMC raided a fake base station operation in Genting Highlands in January 2026, the syndicate was doing precisely this: pushing scam SMS that impersonated legitimate senders (Malay Mail).

The collateral damage is every legitimate business that used SMS as a cheap campaign channel. Your promo was never a scam, but the network filter cannot tell your shortlink from a phishing link, so both get blocked. This is the part the SMS vendor guides gloss over: compliance is not a checkbox that gets your old campaign back. The old campaign format is gone.

Here is the contrarian point worth sitting with. SMS gateways still advertise 98% open rates in their own marketing, and the number is real. But an open with no link to tap, no number to call back, and no way to reply is a read receipt, not a marketing outcome. Post-2026, celebrating SMS open rates is measuring the step that no longer leads anywhere. The metric that pays is what happens after the open, and MCMC has made "after the open" structurally impossible inside SMS.

What Can Business SMS Still Do in Malaysia?

SMS still does one job well: short, one-way, factual notification to any phone number, with no app and no opt-in friction. Used inside the rules, it remains excellent for:

  • Transaction receipts and order confirmations (no link, just the fact)
  • TAC and verification codes (its biggest legitimate use)
  • Appointment and payment reminders, where the recipient already knows who you are and what to do
  • Service alerts: outage notices, collection-ready notices, delivery-day notices

What it can no longer do is anything requiring action. Compare the two channels honestly:

CapabilitySMS (post-MCMC rules)WhatsApp (official API)
Clickable link to promo or catalogueBannedAllowed
Customer can reply and ask questionsNo practical pathYes, two-way chat
Images, PDFs, product carouselsNot supportedSupported
Send window8am to 8pm for marketingAnytime, within Meta policy
Opt-in requiredConsent under PDPAExplicit opt-in enforced
Cost per marketing message~RM0.05 to RM0.10Template fees apply, replies within 24h window free

Notice the pattern: everything on the left that got banned reappears on the right, but gated behind consent and quality rules instead of banned outright. That is the real story of the MCMC crackdown. Malaysia did not lose a marketing channel. The campaign layer relocated from an unregulated channel to a regulated one.

Which Campaigns Have to Move to WhatsApp?

Any message whose success depends on a click, a reply, or a booking. In practice that means promo blasts with catalogue links, flash sale announcements, win-back offers, new launch previews with images, and anything where the next step is a conversation. The moment your draft contains "tap here", "call us at", or "reply YES", it is no longer an SMS use case in Malaysia.

But moving channels is not copy-paste, and this is where we see businesses get hurt a second time. WhatsApp is not the new SMS blast. It is an opt-in channel where Meta scores your number's quality rating on how recipients react, and where blasting cold lists gets numbers restricted or banned. If SMS blasting was legally risky, cold WhatsApp blasting is operationally risky: the channel itself cuts you off.

From the accounts we have seen inside MSME sales operations, the restrictions that do happen are rarely about raw volume. The moves that show up right before trouble are a brand-new template, a sudden volume jump, or switching to a fresh number, usually on an account that was already flagged. An SME migrating off SMS is tempted to do all three at once: new number, new template, full list on day one. That exact combination is the worst possible opening move.

How to Move Your SMS Marketing to WhatsApp in 6 Steps

Split your message types: keep receipts, reminders and codes on SMS where they are compliant and cheap, and list every message that needs a link, image or reply
Collect explicit opt-ins: add a WhatsApp opt-in to checkout, forms and in-store QR codes, because consent under PDPA and Meta policy is the foundation, not a formality
Use the official WhatsApp Business API, not grey-market blasters, which recreate the exact SIM-box model MCMC is prosecuting on the SMS side
Warm up gradually: start with your most engaged customers at low volume and grow send size over weeks, never blasting the full list from a fresh number
Submit templates early and stagger changes: get message templates approved before campaign day, and avoid launching a new template and a volume spike together
Watch quality rating weekly: treat Meta’s quality score like a bank balance, and pause campaigns the moment it dips instead of pushing through
The grey-blaster trap

The same vendors who sold SIM-box SMS blasts are now selling "unlimited WhatsApp blast" packages using unofficial tools. The mechanics and the risk profile are identical: cheap, unauthorised, and built on numbers that get banned. If the price seems impossible for an official channel, it is not the official channel. Our breakdown of what is actually legal in WhatsApp blasting in Malaysia covers where the line sits under the PDPA Amendment Act.

Frequently Asked Questions

Yes, but only plain text with no links, no callback numbers and no requests for personal data, sent between 8am and 8pm through a licensed A2P provider with the RM0 prefix and your brand name. In practice this limits SMS marketing to simple awareness lines, since the recipient has no way to act on the message.
Malaysian telcos now filter SMS at network level and silently block messages containing URLs, phone numbers or personal-data requests. If your blast includes a shortlink or a "call us" number, it is being dropped by the filter even if your provider marked it as sent.
Yes. MCMC has confirmed that using SIM boxes or bulk SIMs for illegal messaging activity is an offence carrying fines up to RM100,000, up to two years imprisonment, or both. Many cheap blast services operate this way, and the customer has no visibility into the method until delivery collapses.
Yes, through the official WhatsApp Business API with proper opt-in consent under the PDPA. WhatsApp allows links, images, replies and bookings that SMS now cannot carry, but it enforces its own rules: recipients must opt in, templates need approval, and numbers that blast cold lists get quality-rated down and restricted.
No. SMS remains the best channel for receipts, verification codes and reminders because it reaches every phone with no app and no opt-in friction. The practical split is notifications on SMS, campaigns and conversations on WhatsApp.

What This Looks Like in Practice

A two-outlet fashion retailer
Retail
Johor Bahru
Challenge

Their monthly promo SMS with a catalogue shortlink stopped converting, then stopped delivering entirely once telco filters caught the URL. Their blast vendor suggested removing the link, which killed the click-through the campaign existed for.

Solution

Receipts and collection notices stayed on SMS. Promos moved to WhatsApp: opt-in QR codes at both cashiers, an approved catalogue template on the official API, and volume ramped over six weeks instead of blasting the full list.

Results
Campaigns regained a working link and a reply path
Opt-in list grew past their old SMS list within two months
Zero filtered messages, quality rating held at High

The wider numbers back the relocation. WhatsApp already sits on roughly 90%+ smartphone penetration among Malaysian users, which is why the campaign layer lands there rather than email or a new app; our WhatsApp business statistics roundup collects the current figures. And because the surviving workflow spans two channels, the businesses handling this well run it from one system: a platform like Raion HUB keeps the opt-in list, the approved templates, the send throttling and the two-way replies in one place, so the compliance layer is built into the workflow instead of being a checklist someone forgets.

For the complete playbook on running compliant WhatsApp campaigns, from opt-in collection to template strategy, see our WhatsApp blasting guide for Malaysia.

The Bottom Line

Key Takeaway

MCMC's rules turned SMS into a pure notification channel: keep your receipts, codes and reminders there. Every message that needs a link, an image or a reply now lives on opt-in channels, and WhatsApp is where Malaysian customers already are. Migrate deliberately: real opt-ins, official API, slow volume ramp. The businesses that port their blast habits to a fresh WhatsApp number are queueing up for the same dead end twice.

Ready to grow with Raion

Your promo needs a link. SMS can't carry one.

Raion HUB runs opt-in WhatsApp campaigns on the official API, with the links, replies and bookings your SMS blast can no longer legally include.