User Activity

How can we contact customer support to sort out an issue.  
How can I get an unpaid mark off my account if I didn't complete the purchase because of seller did not sell to Australia. I checked the item now and he states now post in US. That was not on the item when i first tried to buy item. It was just prior...
Hi eBay I received this below - I emailed 2 days ago seller does not send to Australia. Getting onto Customer Support is a jokle