Overview
Every group on the platform has its own mailing list with configurable rules for who can send messages, how messages are delivered, and how moderation works. These settings are managed by group administrators at Group Settings > Mailing List Settings.
This guide covers all available options. Most groups will only need to set "Who Can Post" and "Message Types" to get started.
Who Can Post
Controls who is allowed to send messages to the group email address.
| Setting | What it means |
|---|---|
| No one | Group is archived. No messages in or out. |
| Owners only | Only group owners can send messages. |
| Managers and owners | Group leaders can send. Regular members cannot. |
| Members to admins | Any member can email the group, but regular members' messages only go to group leaders. Leaders' messages go to everyone. Good for groups where members need to reach leadership but shouldn't broadcast to all. |
| All members | Every member can send to the whole group. Standard mailing list behavior. |
| All platform users | Any registered user can send, even non-members. |
| Anyone | Open to the public, including people outside the platform. |
Per-Member Overrides
Group administrators can override the posting policy for individual members. This is useful when most members follow the group default, but a specific person needs different access.
| Override | What it means |
|---|---|
| Follow group policy | Uses the group setting above. This is the default for all members. |
| Can post to all | This member always sends to the full group, regardless of group policy. |
| Admins only | This member's messages only go to group leaders. |
| Blocked | This member cannot post at all. |
Message Types
Groups can support different kinds of messages, each with different delivery behavior.
| Setting | What it means |
|---|---|
| Discussion only | All messages follow the posting rules above. Standard two-way communication. |
| Announcements only | Messages go to all members regardless of posting tier. One-way notices with no reply expected. |
| Both | When composing a message, the sender chooses whether it's a discussion or announcement. For incoming email, put [ANN] at the start of the subject line to mark it as an announcement. |
Moderation
Moderation holds messages for review before they are delivered to the group.
| Setting | What it means |
|---|---|
| No moderation | Messages are delivered immediately. |
| Moderate new members | Messages from recently joined members are held for approval until they are trusted. |
| Moderate non-members | Messages from people outside the group are held for approval. |
| Moderate all | Every message is reviewed by a group admin before delivery. |
Moderation Lifecycle
When moderation is enabled, additional settings help prevent messages from sitting in the queue indefinitely:
| Setting | What it means |
|---|---|
| Auto-approve after (hours) | Messages are automatically approved and delivered if no moderator acts within this time. Set to 0 to require manual approval. |
| Reminder after (hours) | Moderators receive a reminder about pending messages. Set to 0 for no reminders. |
| Escalation email | An email address to notify when messages are approaching the auto-approve timeout. Use this to make sure someone always sees urgent items. |
Reply to Sender
Group administrators can reply directly to any sender from the email archive without the reply going to the whole group. This is useful for responding to member questions privately or following up on moderated messages.
To use this feature, view any message in the group email archive and click Reply to Sender.
Email Delivery Preferences
Individual members can control how they receive group messages from their subscription settings:
| Preference | What it means |
|---|---|
| Each email | Receive every message as it's sent. Default for all members. |
| Daily digest | Receive one summary email per day with all messages from that day. |
| Weekly digest | Receive one summary email per week. |
| None | Don't receive group emails. The member stays in the group but gets no messages. |