---
title: Restricted Alphanumeric Sender ID Terms
description: Learn which Sender ID terms are restricted in Notifyre and why they can’t be used alone. See the full list of blocked terms and how to create compliant Sender IDs that meets ACMA requirements.
---

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July 14, 2026

# Restricted Alphanumeric Sender ID Terms

## Restricted Sender ID terms cannot be used on their own (singularly) as an alphanumeric Sender ID.

To protect recipients and comply with ACMA regulatory requirements, Notifyre restricts certain Alphanumeric Sender ID terms. These terms cannot be used on their own (singularly) as an alphanumeric Sender ID.

### Why these terms are restricted?

Restricted terms are commonly associated with:

- Fraud or phishing activity
- Impersonation (financial, delivery, or system messages)
- High-pressure or misleading communications

### What “cannot be used singularly” means

A restricted term cannot be the entire Sender ID by itself.

Allowed:

- NtfyrHelp
- NtfyrAlert

 Not allowed:

- Help
- Alert

### Restricted Sender ID Terms 

The following terms cannot be used on their own as a Sender ID:

| 000 | 1TimePin | 2FA |
| --- | --- | --- |
| Accept | Access | Account |
| Accounts | Active | Admin |
| Advice | Alert | Allow |
| Allowance | Anti-Fraud | App |
| Appointment | Approve | Approved |
| Assist | Assistance | Auth |
| AuthMsg | Authorise | Aware |
| Bank | Banking | Bill |
| Billing | Call | Card |
| Caution | Certify | Check |
| CloudOtp | Code | Collect |
| Collection | Confirm | Contact |
| Control | Courier | Delay |
| Deliver | Delivery | DoNotReply |
| Energy | FollowUp | Fraud |
| Help | Important | Info |
| InfoSms | Information | ISA |
| Key | Loan | Logistics |
| LogMeln | Logon | Malware |
| Message | Mobile | Mortgage |
| Msg | MsgAuth | Network |
| NoReply | Notice | Notify |
| OneTimePin | Order | OTP |
| OtpSms | Overdue | Package |
| Parcel | Password | Pay |
| Payment | Phone Code | PhoneCode |
| Pin | PinCode | Post |
| Protocol | Purchase | Ratify |
| Rebate | Recall | Receipt |
| Refund | Reminder | Repayment |
| Reply | Reschedule | Response |
| Results | Sale | Save |
| Saving | Scam | Schedule |
| Secure | Security | Service |
| Shipping | Sign | Signin |
| Signon | Sms | SmsAuth |
| SmsCode | SmsInfo | SmsOtp |
| SmsVerify | Support | System |
| Tax | Test | Text |
| Trace | Track | Tracking |
| Trust | Txt | Update |
| Updates | Urgent | Validate |
| Verify | Verified | VerifyMe |
| VerifySms | Virus | Warn |
| Warning | Wholesale | Winner |

 

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