SMS Help Centre
Find the right SMS tool before you start.
The SMS Center covers day-to-day sending, 2-way conversations, bulk messaging, scheduled sends, authorised email senders, mobile number setup, address books, opt-out compliance, and message logs.
Common SMS Actions
- New Message: Send single, bulk, scheduled, and template-based SMS.
- Inbox & Chat: Read replies and manage 2-way conversations.
- Email-to-SMS: Authorise email senders for the SMS gateway.
- Number Management: Buy and configure SMS-capable mobile numbers.
Sending SMS
Use these answers for composing messages, choosing senders, scheduling, templates, and recipient lists.
How do I send a standard SMS?
Open New Message, choose a verified sender or SMS-capable number, enter one recipient, type the message, review the segment count, and send. The page supports GSM-7 and Unicode messages, with longer messages split into SMS parts.
When should I use bulk sending?
Use bulk sending when one message needs to go to many recipients. You can paste recipients, pick saved contacts, or use Contact Lists. For marketing or campaign traffic, include the right opt-out list before sending.
Can I schedule SMS for later?
Yes. Enable the schedule option on New Message, choose the send time, then submit. Scheduled sends can be reviewed and cancelled from Scheduled SMS before they are processed.
What are Quick Templates?
Quick Templates store reusable message bodies so common notifications, reminders, and replies can be inserted quickly while composing a message. Templates can include variables that are filled before sending.
Receiving Replies
Use these answers for 2-way SMS, inbox threads, message ownership, and received logs.
Where do replies appear?
Replies to SMS-capable numbers appear in Inbox & Chat. Select the number, open the conversation, and reply from the thread when that number is available as a sender.
How do I export received messages?
Open Received Log, choose the SMS number and date filters, then export the filtered messages as CSV. Use the search and counterparty fields when you need to narrow the export.
Can I remove old conversations?
Inbox conversations and individual messages can be removed from the inbox views where delete actions are available. Destructive actions use confirmation modals so accidental clicks do not remove data silently.
Email-to-SMS
Use these answers when sending SMS from an authorised mailbox or legacy email workflow.
How does Email-to-SMS work?
In Email-to-SMS, authorise the sender email address, choose the sender number or caller ID, and set message limits and reporting. The authorised mailbox can then send to gateway+<phonenumber>@sms.crazytel.com.au.
Should the SMS come from the email body or subject line?
Use gateway+<phonenumber>@sms.crazytel.com.au when the email body is the SMS text. Use gateway+<phonenumber>+subject@sms.crazytel.com.au when the email subject line should become the SMS text.
Do legacy Email-to-SMS addresses still work?
Yes. Existing legacy CrazySMS workflows can still use the documented legacy gateways after the sender email is authorised, but new setups should use the current sms.crazytel.com.au gateway format where possible.
Which IPs should be allowed through firewalls or ACL lists?
If your mail server, webhook endpoint, or security appliance restricts traffic with firewalls or ACL lists, allowlist the Crazytel SMS gateway IPs below:
103.137.56.120103.140.134.210
Numbers, Contacts & Compliance
Use these answers for buying SMS numbers, keeping contacts tidy, and managing opt-outs.
What is Number Management for?
Number Management lists your SMS-capable AU mobile numbers, lets you buy available numbers, configure routing, and update IPND details where required for the service.
What is the difference between Contacts and Contact Lists?
Contacts are individual people or numbers in the shared address book. Contact Lists group many contacts together for bulk sending and campaign workflows.
How does Opt-Out Management work?
Opt-Out Management stores recipients who should not receive selected SMS traffic. Pick the correct opt-out list before sending bulk or campaign-style messages so excluded recipients are not contacted.
What are Blocking Rules?
Outbound Blocking controls message content or destination rules before SMS leaves your account. Inbound Blocking blocks unwanted inbound SMS before it reaches inbox, webhook, email forwarding, and diagnostics views.
Logs & Troubleshooting
Use these answers when investigating delivery, replies, failures, or older legacy messages.
Which log should I use?
- Sent Log shows outbound messages and delivery state.
- Received Log shows inbound SMS received by your numbers.
- Troubleshooting filters failed outbound messages and exposes delivery errors.
- Legacy SMS History is for older CrazySMS records.
What should I check when an SMS fails?
Open Troubleshooting, select the sending number, and inspect the failed message timeline. Check the recipient number format, sender eligibility, opt-out status, blocking rules, message encoding, and whether the upstream carrier returned a delivery error.
What does the SMS Dashboard show?
The SMS Dashboard summarises sent, received, failed, and queued message activity. It is best for a quick account-level health check before opening detailed logs.
Still Stuck?
Keep the message UUID, recipient, sender, approximate send time, and any error text from Troubleshooting. Those details make support investigations much faster.