Challenging e-mail from unknown senders
You can choose to have the junk e‑mail filter reply to an e-mail from an unknown sender with a challenge e-mail. Because junk e-mail seldom contains a valid return address, an unanswered challenge confirms that the e-mail is probably junk.
The challenge e-mail instructs the recipient to click a button in the message to validate that he or she was the author of the message. Clicking the button directs the junk e‑mail filter to move the e‑mail from the special Outlook folder ZoneAlarm Challenged Mail folder to your Outlook Inbox.
For messages from an unknown sender, you can choose whether to always send a challenge e‑mail, to send a challenge only when the incoming message appears to be junk e‑mail, or to never send a challenge. In addition you can customize the challenge e‑mail that is sent to users.
To enable challenge e‑mails:
- Start your Outlook or Outlook Express e‑mail program.
- In the junk e‑mail filter toolbar, click ZoneAlarm Options | Configure Preferences | Challenges.
- In the Challenges area, use the slider to choose when to send a challenge e‑mail.
High
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ZoneAlarm security software will challenge all e-mails that you receive unless they are known as good to either you (on your allowed lists) or to MailFrontier (known good senders).
Any e-mail message that is received and can be classified immediately as junk gets sent directly to the ZoneAlarm Mail folder for later deletion and does NOT get a challenge issued.
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Low
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ZoneAlarm security software will challenge uncertain e-mail.
ZoneAlarm security software will only challenge e-mails that it cannot determine with certainty are spam or are good. This is typically a small percentage of the e‑mail you receive.
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Off
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Challenge e-mails will not be sent.
ZoneAlarm security software will not send challenge e-mails. Move the slider up to turn on e-mail challenges to eliminate junk e-mail sent by spammer computers.
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- To add a personal message to the standard challenge e-mail, click Personalize, type your name and your personal message, then click OK.
- Click Close.
The junk e‑mail filter moves the message to the ZoneAlarm Challenged Mail. folder
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Important - While waiting for the response to a challenge message, the junk e‑mail filter stores your e-mail address. As soon as the challenge has been completely processed, the junk e‑mail filter discards the address. If you experience problems sending challenge e‑mails, see Specifying your outbound e-mail server.
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