Red Hat DIRECTORY SERVER 8.1 - 11-01-2010 Uživatelský manuál stáhnout pdf (Strana 50)

Finally, you might receive a mail that Enigmail shows as such:

The signature is invalid, which means that the message has been altered in

transit, or the key used for signing is not that of the intended sender. You must

therefore not believe it.

Notice the purple status bar, the image of a broken pen, and that the pen icon is

marked with an X.

8.2.3. Retrieving the key that signed the message

A nice feature of Enigmail is that it can import automatically the public key

needed to verify a message. If you received a message for which you don't

have the sender's public key, as shown in the figure at page 49, select from the

OpenPGP status bar the menu command Details → Import Public Key, and

Enigmail will offer to try to download from a keyserver the key that was used for

signing:

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Red Hat DIRECTORY SERVER 8.1 - 11-01-2010 Uživatelský manuál Strana 50