[plug] Poll regarding attachments

[Im-Press]

> Poll regarding attachments on mailing list
> 
> Options:
>  
> ( ) 1. Restrict Message size to 30KB
> ( ) 2. Strip all attachments
> (x ) 3. Strip all attachments that are not signatures
> ( ) 4. Reject all messages that include attachments
> ( ) 5. Make no change
> Note: Option 3 is contingent on the option being available in the 
> mailing list application configuration.