communication-in-community.md

# Communication in Community

If you encounter any problems when using OpenHarmony, please join the email group for discussion.

## How Do I Subscribe to a Mail List?

If you have never subscribed to a mail list before, follow the steps below:

1.  Click the name of the mail list that you want to subscribe to.
2.  Wait until the browser goes to the subscription page of the mail list, which provides instructions on how to subscribe.
3.  Read the subscription instructions and provide an email address that you want to use to subscribe to the mail list.
4.  Enter your email address and click  **Subscribe**. You will receive an email asking you to confirm the subscription.
5.  Reply the email to confirm your subscription.
6.  At last, you will receive a welcome email from the email list.

**Table  1**  Email list

| Email Address           | Introduction                  | Description                                                  |
| :---------------------- | :---------------------------- | :----------------------------------------------------------- |
| contact@openharmony.io  | Public mailbox                | Public mailbox of the OpenHarmony community.                 |
| dev@openharmony.io      | Development mail list         | OpenHarmony community development discussion group. Any topics related to community development can be discussed here. Any one can [subscribe](https://lists.openatom.io/postorius/lists/dev.openharmony.io) to it. |
| cicd@openharmony.io     | CI mail list                  | The OpenHarmony community CI/CD builds a mail list that any developer can [subscribe](https://lists.openatom.io/postorius/lists/cicd.openharmony.io) to. |
| pmc@openharmony.io      | PMC mail list                 | Mail list for PMC discussion. It can be [subscribed](https://lists.openatom.io/postorius/lists/pmc.openharmony.io/) to by PMC members. |
| scy@openharmony.io      | Mail list for security issues | Email address for you to report OpenHarmony security issues. |
| scy-priv@openharmony.io | Security group mail list      | The security group members can [subscribe](https://lists.openatom.io/postorius/lists/scy-priv.openharmony.io/) to this email list to discuss security issues. |

## How Do I Send Emails to a Mail List?

To send an email to a specified mail list, send your email to the address listed in the table above.

In this way, all community members in this mail list will receive your email.