| Client chooses all folders or a folder currently available in the database (fig. 5) |
| browse all mail headers (show msgid,date,sender,size in bytes and subject) (fig. 6) |
| show chosen mail's body after the mail header browsing (fig. 14) |
| optionally show the complete original MH mail in UNIX mailbox (fig. 15) |
| Note that full table scan only on the msg header table is required to list all the mail header in a folder (msg body is not touched during the header browsing). |
| This is Optimized browsing performance, compared to MH header browsing where header and body are stored in a single file and are not indexed |