22.7 How to use Mailing Lists
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## 22.7 How to use Mailing Lists

### Member Subscription/Unsubscription

If allowed by the list policy (see chapter 22.2 Creating a Mailing List), members may subscribe to the list via email. The subscription is done by sending any message (even with blank message body) to the list address of the following form:

`<name_mailinglist>-subscribe@<domain>`.

Example: A user wants to subscribe to a list called `discussion` in the `company.com` domain. He/she sends a message with an empty message body from his/her email account to the address

`discussion-subscribe@company.com`.

After sending this message the user will receive an email requesting confirmation of the subscription. Once the user sends a response to this message, the user's request will be accepted. This response system guarantees the authenticity of the user.

According to the mailing list policy, the user will be either subscribed or will have to wait for confirmation of a list moderator. If subscribed successfully, the new member will receive a welcome message.

Members can unsubscribe by email at any time. The unsubscription can be done by sending an email message with any content in the message body (it can be left empty) to the address of the following form:

`<name_mailinglist>-unsubscribe@<domain>`.

Example: A user intends to unsubscribe from the `discussion` mailing list in the `company.com` domain. He/she sends a message with an empty message body from his/her email account to the address

`discussion-unsubscribe@company.com`.

After sending this message the user will receive an email requesting confirmation of the unsubscription. Once the user sends a response to this message, the user's request will be accepted. After a response to the request is received, the user will receive a report regarding his/her unsubscription.

### Message posting

If a user intends to send a message to the mailing list, he/she must send it to the list address (e.g. `discussion@company.com`). According to the policy, the message will be either delivered to each list member (including the sender if he/she belongs to list members) or forwarded to list moderators for approval. If the message is forwarded to a moderator, a report will be delivered to the sender (if defined — see chapter 22.2 Creating a Mailing List) and the message will be sent to the list when allowed by a moderator. If the message is denied or not allowed by a moderator within 7 days, the sender will receive a report as well.

### Aliases within Mailing Lists

In each mailing list, special email addresses are generated automatically. These addresses are used for special functions, such as member login, contact addresses of the list moderators, etc. Each of these addresses has the following form:

`<mailinglist>-<suffix>@<domain>`

(e.g. to send a request to the `discussion` mailing list help within the `company.com` domain, users will send a message to: `discussion-help@company.com`

Here the suffixes that can be used in the list address are listed:

- `subscribe` — a request for login to the mailing list,

- `unsubscribe` — a request for logout from the mailing list,

- `help` — a request for help for the mailing list usage,

- `owner`, `owners` — sending a message to the list moderators (there is no need to know their email addresses),

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22.6 Server Reports | Contents | Chapter 23 Resource scheduling