✉️ Smarter Message Sending: Say Goodbye to Preventable Failures

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We’ve improved message sending by automatically detecting issues that could cause messages to fail before they’re dispatched.

Whether it’s a landline, an opted-out contact, or an invalid number, you will now receive instant, helpful feedback so you can take action and save credits.

✅

Checks for known issues before sending

We now identify messages that would have failed due to the following common reasons:

21610

– Contact opted out (replied STOP)

21635

,

30006

– Landline numbers that cannot receive SMS

21211

,

21614

– Invalid or non-mobile numbers

21661

– Your number isn’t SMS-capable

30034

– A2P registration not yet completed

21408

– Region restrictions on sending

…and more

✅ Instant, clear feedback in the app

When a message cannot be sent for one of these reasons, you will now see a clear explanation — not just a cryptic error code.

✅ Smart DND tagging to protect your list

We now help you automatically manage contacts that cannot be messaged:

Permanent DND

is applied when a number is known to be

unreachable long-term,

such as:

  • Replied STOP (

    21610

    )

  • Landline (

    21635

    ,

    30006

    )

  • Invalid or non-mobile number (

    21211

    ,

    21614

    )

Temporary DND

applies when the issue may resolve soon, like:

  • Phone switched off or temporarily unreachable
  • Carrier-specific delivery issues

This ensures your messages reach only accessible contacts without requiring you to monitor everything manually.

📈 Boost message deliverability

💸 Save credits by steering clear of known failures

💬 Understand issues right away (no more guesswork)

🙌 Run smoother campaigns with cleaner contact lists

  • Already live — no action needed
  • Works across Conversations, Campaigns, Bulk Messaging, and Workflows
  • Only messages with guaranteed delivery issues are held back; all others will send as usual

💬 Need help or have questions?

Our Support Team is always here for you! If you’re unsure why a message wasn’t sent or need assistance optimising your contact lists, just reach out — we’re happy to help.