No response via help@bluebean

I have been trying for months to change my email address to receive my monthly statements. <br> First I struggled for months to change from getting paper mail copies to email statements , finally got them and now it's seems like I'm asking too much just to change my email address. <br> I phoned the call centre who told me I have to go to the bank to change it, which I did, twice, and still no luck. <br> So please tell me exactly what I need to do to get this very difficult request done?<br> My last few emails were on 11 March, 13 March and no response after the last one on 13 April.