163 What if I can't get twitter in my mailbox?

1. First, you need to log in to 163 email address and click "Receive", as shown below.

2. Next, click the Settings button in the upper right corner of the receiving page, as shown in the figure below.

3. Next, you need to select "More Settings". As shown in the figure below.

4. Next, you need to click the "anti-spam/black and white list" option, as shown in the figure below.

5. Just set the anti-spam level as the default, as shown in the figure below.