一. Set the white list of Outlook mailbox
1.Open Outlook mailbox on the web, find the setting icon in the upper right corner, and click "view all Outlook Settings".
2.Find the "secure email list" in "email" - "spam email"
3.Add the following mailbox to the secure mailing list
二．Set a white list for gmail
1.Open gmail and click on the "Settings icon" - "Settings" in the upper right corner
2.Click "filter and shield address" - "create new filter
3.Add the following email to the sender, and then click "create filter"
4.Check "do not send it to" spam "and click" create filter "to complete the creation
三．Set the whitelist of QQ mailbox
1.Open the QQ mailbox and find the "Settings" entrance on the home page
2.Open the setting interface and find "anti-spam" - "setting white list of email addresses"
3.Add the following address to the white list