mine wasn't ignored....
Hi Steady,
Thanks for writing to us to request the closure of your credit card account
xx_X xx_X xx_X xx_X, however I'm unable to close your account via this
channel.
To close your account, you'll need to do one of the following:
1. Give us a call on 13 22 65 Mon - Fri from 8am - 5.45pm (AEST). If you're
overseas, the number to call is +61 3 8641 9083.
2. Send a request in writing to:
Consumer & Commercial Cards
GPO Box 9992
MELBOURNE VIC 3001
3. Visit any NAB branch
You can search for your closest branch by visiting the following link:
https://www.nab.com.au/locations/
Please note that if you have any direct debits that are charged to this
account, you'll need to contact the merchant directly to have the authority
cancelled. If this isn't done, they may still be charged to your closed
account.
If there's anything else I can help you with, please let me know.
Thanks,
Manoj Kumar
Digital Interactive Advisor
So while ANZ accept secure messages, NAB don't