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• To use the signing and encryption option based on the message history, set the Outgoing Message Encoding
Suggestion field to Use Message History.
4.
Press the key > Save.
Related information
Some signing and encryption options aren't available on my smartphone, 116
About message classifications
If your BlackBerry smartphone is associated with an email account that uses a BlackBerry Enterprise Server that supports this
feature and your administrator turns on message classifications, the BlackBerry Enterprise Server applies a minimum set of
security actions to each message that you compose, forward, or reply to, based on the classification that you assign to the
message. Your administrator specifies the message classifications that you can use.
If you receive a message that uses message classifications, you can view the abbreviation for the classification in the subject
line of the message and the full description for the classification in the body of the message. You can also view the abbreviation
and full description for the classification for a sent message in the Sent Items folder.
Change the default message classification
To perform this task, your work email account must use a BlackBerry Enterprise Server that supports this feature and your
administrator must turn on message classifications.
Your BlackBerry smartphone is designed to use the default message classification when you send a message to a contact that
you haven't sent a message to or received a message from previously. If you have sent a message to or received a message
from the contact previously, your smartphone tries to use the message classification that was used for the last message.
1. On the home screen or in a folder, click the Options icon.
2. Click Device > Advanced System Settings > Default Services.
3. Change the Default Classification field.
4.
Press the key > Save.
Change the size of PGP indicators in messages
1. On the Home screen or in a folder, click the Options icon.
2. Click Security > PGP.
3. Change the Message Viewer Icons field.
4.
Press the key > Save.
Change the encryption algorithms for PGP protected messages
If a message has multiple recipients, your BlackBerry smartphone uses the first selected encryption algorithm in the list that all
recipients are known to support.
1. On the Home screen or in a folder, click the Options icon.
2. Click Security > PGP.
3. Select the checkbox beside one or more encryption algorithms.
4.
Press the key > Save.
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