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Firewall

A programme or set of programmes designed to keep unauthorised users or messages from accessing a private network. The firewall usually has rules or protocols that authorise or prohibit outside users or messages. In email, a firewall can be designed so that messages from domains or users listed as suspect because of spamming, hacking or forging will not be delivered.

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(1836-1870) Gustavo Adolfo Domínguez Bastida, better known as Gustavo Adolfo Bécquer, was a Spanish post-romanticist writer of poetry and short ...

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