The lyrMailStreams table provides the names of the MailStream objects
| 
                     Field Name  | 
                
                     Description  | 
                
                     Version Added  | 
            
| MailStreamID | Autogenerated ID (int, NOT NULL) | 10.0 | 
| IsDefault | Whether this stream is the default one (char(1), NOT NULL) | 10.0 | 
| Description | Textual description of this MailStream (varchar(255), NULL) | 10.0 | 
| Name | Name of this MailStream (varchar(25), NOT NULL) | 10.0 |