If you cannot sign in to your account due to password issue:
1. Please ensure you have entered the correct registered email address and password.
2. As the password is case sensitive, please check if ‘Caps Lock’ on your keyboard is on.
3. Please don't enter blank spaces before and after password.
You can also try to retrieve your password to see if it can resolve this sign-in issue.
If you cannot sign in to your account due to email verification code issue:
1. To search with keyword 'Alibaba' in both of your inbox and trash;
2. To check with your email service operator to see whether they blocked the verification code email or filtered the email as spam;
3. To add the email address end with notice.alibaba.com to your white list and then try again;
4. Your email code may take up to 10 minutes to arrive (depends on your email service operator). Do not repeatedly clicking;
5. Network anomalies may cause loss of messages. Please re-submit request, use different browsers, clear cookies and try again later;
If you cannot sign in to your account due to SMS verification code issue:
1. Do not input '0' before your phone number after chosen the country code and make sure you input correct phone number instead of landline.
2. Please move your SIM card into another mobile phone or restart your phone and try again with anti-virus software turned off.
3. Network anomalies may cause loss of messages. Check whether your mobile phone is out of service. Please re-submit request by changing network.
4. Check with your phone service company to see if they blocked the system messages and ask them to unlock the service for you.
In case you still cannot receive the verification code, you are suggested to change verification method.