Flagging Replies

From PluginWiki

Sometimes people will send a message to your group by replying to an existing message. Some moderators like to prevent this, because it can confuse some email clients. You can ask the plugin to flag this for you, from the Advanced Options configuration:

Any messages sent to multiple recipients will get flagged like this:

This doesn't tell you which message it was a reply to - that's too hard to find out.