Same situation.
Posted 15 Jun 2012 16:20
Yesterday I paid by Visa at the mornig but after couple of hours transaction has been closed due to security reasons. I've wrote claim and checked Escrow FAQ and found the article:
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Q: What should I do after my transaction is cancelled?
A: If your transaction has been cancelled by us for security reasons, please provide the documents listed below:
1. A copy of your personal ID or passport if you used a personal credit card for the transaction; a copy of your business registration if you used a company credit card
2. A copy of both sides of the credit card used
3. A copy of the bank statement for the credit card used
Please send the items listed above to: security@aliexpress.com. If your credit card details are verified, payments you make in the future on AliExpress will be fast and easy. After we have received your documents, we will respond within 3 business days.
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Why this "security reasons" require customer being so unsecure? To send a lot of private informaton just by scans attached to unencrypted e-mail. It's very strange.