Click on the Group settings link in the right hand menu.
Click on the Email delivery tab to show the settings.
Change your Subject prefix to make it easier to read, or more descriptive, or remove it entirely.
Choose between no footer, default footer, or a custom footer.
Here are your options for how replies to messages are handled.
1) Replies are sent back to the group.
2) Replies are sent to the author of the message.
3) Replies are sent to the group owners.
4) Message recipients decide where their reply is sent.
5) Specify an email address to reply to.
The default size is 5 Mb (5120 Kb). The other options are smaller.
This setting would allow a group member send a message to the group as the group, making it look like the message came from the group.
Note: This setting would allow members to bypass any moderation settings for their email address.
If enabled, the group would sent a notification to the message author when their moderated message was rejected.
If enabled, an author/poster would receive an email indicating any member with a bouncing email address.
Click on the Save Changes button to save any changes you make.