How to close my Finmail Mailbox?

We​ ​apologize​ ​for​ ​any​ ​inconvenience​ ​caused​ ​by​ ​your​ ​decision​ ​to​ ​leave.​ ​If​ ​you​ ​have​ ​chosen​ ​to​ ​close​ ​your​ ​Finmail​ ​Mailbox,​ ​please​ ​send​ ​your​ ​request​ ​via​ ​email​ from your Finmail email address to​ ​us​ ​​at​ ​[email protected]