Poco General FAQ - Meaning of icons in message index pane

Q: What do all the little icons that can appear beside the subject in the message index mean?

Here's an annotated screenshot from Poco 3.0:

The following list may be incomplete...
Icon Meaning Notes
Annotated message Place cursor over icon to display the annotation
Message has been bounced  
Message has been forwarded  
Message has been replied to  
Message is marked as "high priority" by the sender  
Read message with attachment.  
Read message without attachment.  
Unread message with attachment.  
Unread message without attachment.