- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Topic Management
- Subscription Management
- Message Template Management
- SMN Operation Recording
- Cloud Eye Monitoring
- Logs
- Permissions Management
- Quotas
- Appendix
- Best Practices
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Getting Started
- APIs
- Examples
- Permissions Policies and Supported Actions
- Public Parameters
- Out-of-Date APIs
- Appendix
- SDK Reference
-
FAQs
- What Are the Advantages of SMN?
- What Protocols Does SMN Support?
- How Is SMN Billed?
- What Are the Requirements for an SMN Topic Name?
- How Many Topics Can I Create?
- How Many Subscriptions Can Be Added to a Topic?
- How Many Messages Can Be Published to a Topic?
- How Many Message Templates Can I Create?
- What Are the Limitations on SMS Messages?
- Can I Add Subscriptions Using Multiple Protocols to a Topic?
- Can a Topic Creator Change Subscription Protocols in a Topic?
- Can I Change a Subscription Endpoint for a Topic?
- Can I Delete a Published Message?
- Does SMN Ensure That Messages Are Received by Subscription Endpoints?
- Will a Subscriber Receive the Same Message Multiple Times?
- Why Do Subscribers Fail to Receive Messages After I Publish Messages to a Topic?
- What Can I Do When Pictures in an Email Message Cannot Be Displayed?
- Does SMN Always Use the Same Phone Number or Sender Name to Send SMS Messages?
- How Do I Obtain My Account ID?
- How Does a DingTalk, Internal DingTalk, Lark, or WeCom Chatbot Obtain Subscription Endpoints?
- Videos
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Overview
- Getting Started
- Topic Management
- Subscription Management
- Message Template Management
- SMN Operation Recording
- Logs
- Permissions Management
- Quotas
-
FAQs
- What Are the Advantages of SMN?
- What Protocols Does SMN Support?
- What Are the Requirements for an SMN Topic Name?
- How Many Topics Can I Create?
- How Many Subscriptions Can Be Added to a Topic?
- How Many Messages Can Be Published to a Topic?
- How Many Message Templates Can I Create?
- Can I Add Subscriptions Using Multiple Protocols to a Topic?
- Can a Topic Creator Change Subscription Protocols in a Topic?
- Can I Change a Subscription Endpoint for a Topic?
- Can I Delete a Published Message?
- Does SMN Ensure That Messages Are Received by Subscription Endpoints?
- Will a Subscriber Receive the Same Message Multiple Times?
- Why Do Subscribers Fail to Receive Messages After I Publish Messages to a Topic?
- What Can I Do When Pictures in an Email Message Cannot Be Displayed?
- How Do I Obtain My Account ID?
- Appendix
- Change History
- API Reference
-
User Guide (Paris Region)
- Overview
- Getting Started
- Topic Management
- Subscription Management
- Message Template Management
- SMN Operation Recording
- Logs
- Quotas
-
FAQs
- What Are the Advantages of SMN?
- What Protocols Does SMN Support?
- What Are the Requirements for an SMN Topic Name?
- How Many Topics Can I Create?
- How Many Subscriptions Can Be Added to a Topic?
- How Many Messages Can Be Published to a Topic?
- How Many Message Templates Can I Create?
- What Are the Limitations on SMS Messages?
- Can I Add Subscriptions Using Multiple Protocols to a Topic?
- Can a Topic Creator Change Subscription Protocols in a Topic?
- Can I Change a Subscription Endpoint for a Topic?
- Can I Delete a Published Message?
- Does SMN Ensure That Messages Are Received by Subscription Endpoints?
- Will a Subscriber Receive the Same Message Multiple Times?
- Why Do Subscribers Fail to Receive Messages After I Publish Messages to a Topic?
- What Can I Do When Pictures in an Email Message Cannot Be Displayed?
- How Do I Obtain My Account ID?
- Appendix
- Change History
- API Reference (Paris Region)
-
User Guide (Kuala Lumpur Region)
- Overview
- Getting Started
- Topic Management
- Subscription Management
- Message Template Management
- SMN Operation Recording
- Logs
- Permissions Management
- Quotas
-
FAQs
- What Are the Advantages of SMN?
- What Protocols Does SMN Support?
- What Are the Requirements for an SMN Topic Name?
- How Many Topics Can I Create?
- How Many Subscriptions Can Be Added to a Topic?
- How Many Messages Can Be Published to a Topic?
- How Many Message Templates Can I Create?
- Can I Add Subscriptions Using Multiple Protocols to a Topic?
- Can a Topic Creator Change Subscription Protocols in a Topic?
- Can I Change a Subscription Endpoint for a Topic?
- Can I Delete a Published Message?
- Does SMN Ensure That Messages Are Received by Subscription Endpoints?
- Will a Subscriber Receive the Same Message Multiple Times?
- Why Do Subscribers Fail to Receive Messages After I Publish Messages to a Topic?
- What Can I Do When Pictures in an Email Message Cannot Be Displayed?
- How Do I Obtain My Account ID?
- Appendix
- Change History
- API Reference (Kuala Lumpur Region)
-
User Guide (Ankara Region)
- Overview
- Getting Started
- Topic Management
- Subscription Management
- Message Template Management
- Permissions Management
- Quotas
-
FAQs
- What Are the Advantages of SMN?
- What Protocols Does SMN Support?
- What Are the Requirements for an SMN Topic Name?
- How Many Topics Can I Create?
- How Many Subscriptions Can Be Added to a Topic?
- How Many Messages Can Be Published to a Topic?
- How Many Message Templates Can I Create?
- Can I Add Subscriptions Using Multiple Protocols to a Topic?
- Can a Topic Creator Change Subscription Protocols in a Topic?
- Can I Change a Subscription Endpoint for a Topic?
- Can I Delete a Published Message?
- Does SMN Ensure That Messages Are Received by Subscription Endpoints?
- Will a Subscriber Receive the Same Message Multiple Times?
- Why Do Subscribers Fail to Receive Messages After I Publish Messages to a Topic?
- What Can I Do When Pictures in an Email Message Cannot Be Displayed?
- How Do I Obtain My Account ID?
- Appendix
- Change History
- API Reference (Ankara Region)
-
User Guide (ME-Abu Dhabi Region)
- General Reference
Simple Message Notification
Simple Message Notification (SMN) is a reliable and flexible large-scale message notification service. It pushes messages to specified subscription endpoints and greatly reduces system coupling.
Progressive Knowledge
SMN knowledge for users from beginner level to expert level
01
![](https://support.huaweicloud.com/intl/en-us/smn/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Understand
Efficiently send messages to phone numbers, email addresses, and HTTP/HTTPS servers.
Service Overview
03
![](https://support.huaweicloud.com/intl/en-us/smn/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Be a Power User
SMN offers a publish/subscribe model to achieve one-to-multiple message subscriptions and notifications in a variety of message types.
Topic Management
Subscription Management
Message Template Management
02
![](https://support.huaweicloud.com/intl/en-us/smn/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Start
End-to-end configuration guidance for each message format so that you get started quickly with SMN.
Configuration Guide
04
![](https://support.huaweicloud.com/intl/en-us/smn/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
APIs
A wide range of open APIs and sample API calls to draw from makes it easy to create topics, add subscriptions to topics, and publish messages.
API Reference
FAQs
Learn more about common issues and solutions.
Typical Cases
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Which Message Types Does SMN Support?
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Can I Change a Subscription Endpoint in a Topic?
-
What Can I Do When Images in an Email Message Cannot Be Displayed?
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Why Do Subscribers Fail to Receive Messages After I Publish Messages to a Topic?
-
What Are the Requirements for an SMN Topic Name?
-
Does a Topic Support Subscriptions of Multiple Types?
-
How Many Topics Can a User Create?
Remote Logins
-
What Are the Username and Password for Remote Logins?
-
Resetting the ECS Password on the Management Console
-
Troubleshooting Remote Login Errors Occurred on a Windows ECS
-
File Uploading FAQs
-
How Can I Change the Resolution of a Windows ECS?
-
Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
Slow ECS Responses
Internet Access
Operating Systems
Technical Topics
Technologies, expert opinions, and courses