Email address hashed with salt value end

■Update
December 16, 2021: Updated some information after the release completed.
November 2, 2021: Announced the release information.
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Dear customers,

Thank you for using Yahoo! JAPAN Ads.

We have stopped using the email address hashed using the
salt value in the customer data and custom audience lists introduced
by Display Ads (Auction)
Learn more details in the following section.

1. Product:
 Yahoo! JAPAN Ads Display Ads (Auction)

2. Date:
 December 15, 2021 (Wed) 

3. Overview:
 In the customer data and custom audience lists introduced by Display
 Ads (Auction), we have stopped using the email address hashed using
 the salt value.
 After the effective date, ad delivery by audience lists imported
 email addresses with a salt value became unavailable.
 If you are using an email address that has been hashed using a salt
 value, please re-import email addresses that have been hashed without
 a salt value or email addresses that have not been hashed.
 *Data imported before the effective date can be used continuously
 during the duration of the audience list.

4. Remarks:
 Last announcement
 [Display Ads] Changes on Creating Custom list
 Help page
 Import data and create custom list