I just found this on the Microsoft website.
When you add a sender's e-mail address to the
Blocked Senders list in Outlook 2010, you may still receive e-mail messages from that sender in your
Inbox folder.
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CAUSE
You have more than one e-mail account delivering email to your Personal Folders...
You have more than one e-mail account delivering email to your Personal Folders (.PST) file. The Junk E-mail Settings, including Blocked Senders and Safe Senders lists, are specific to one e-mail account or service. When you block a sender's email
address, it is only added to the Blocked Senders list for the default email account configured in the
Account Settings dialog. The Blocked Senders lists for other accounts are not updated with the same email address.
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WORKAROUND
To work around this issue, switch the default account in the AccountSettings dia...
To work around this issue, switch the default account in the
AccountSettings dialog to the other account, and then block the same sender. This will add the sender's e-mail address to this specific account. To change the default account in the
AccountSettings dialog and block the same sender, follow these steps:
- In Outlook 2010, click File, and then click Account Settings in the
Info tab.
- Click to select the other e-mail account in the E-mail tab of the
Account Settings dialog.
- Click Set as Default, and then click Close.
- Click the Home tab.
- Click Junk, and then click Junk E-mail Options. Notice the title bar of the dialog has the name of the e-mail account that is currently being configured.
- Add any senders to the Blocked Senders list or the Safe Senders list.
- Click OK.
- Switch your original account back to default by following steps 1 to 3 above.
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Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available,
the materials may include typographical errors and may be revised at any time without notice. See
Terms of Use (http://go.microsoft.com/fwlink/?LinkId=151500)
for other considerations.
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Marked as answer by
Tony Chen CHNMicrosoft contingent staff, Moderator
Monday, April 30, 2012 9:59 AM