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white list

   Also found in: Dictionary/thesaurus, Wikipedia 0.03 sec.

white list

(1) A list of "from" e-mail addresses that a mail server is configured to accept as incoming mail. E-mail filtering that relies entirely on white lists is severely restricted because only messages from addresses on the list are allowed, and all the rest are discarded. See spam filter. Contrast with blacklist.

(2) A list of valid domain names that a mail server is configured to accept. All mail from users with that domain are allowed. Contrast with blacklist.

(3) A list of Web sites that are allowed to be accessed. A company can configure its routers and firewalls to allow only certain Web sites to be accessed because they relate to business. Contrast with blacklist.



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Asks the recipient to white list the "from" address so future e-mails get delivered to your box.
Jeanne Jennings's e-mail audit checklist by The Newsletter on Newsletters
The White List of eligible services responds to business's urging to retain a cost-only approach for relatively routine, back-office services that are supportive functions rather than part of the taxpayer's core competency.
Play it again, Sam--the IRS (more or less) finishes the section 482 ... by Lewis, Patricia Gimbel / Tax Executive
Meeting complete white list requirements for specific ISPs.
Internet postage is here: what a charge for ensuring "you've got ... by Dysart, Joe / University Business
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