Blackberry 9000 - Manual (Page 66)

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The sender’s certificate is expired.
Encryption status indicators
Your administrator sets whether messages that you receive are considered to be strong or weak.
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The message is strongly encrypted.
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The message is weakly encrypted.
Check the status of a certificate or certificate chain
If a certificate is included in a received message, or is already stored in the key store on your BlackBerry® device, you can check the status
of the sender's certificate, or you can check the status of the sender's certificate and all other certificates in the certificate chain.
1.
In a message, highlight a digital signature indicator.
2. Press the Menu key.
3. Click Check Sender’s Certificate or Check Sender’s Cert Chain.
S/MIME-protected message options
Change your signing or encryption certificate
Your BlackBerry® device uses your encryption certificate to encrypt messages in the sent items folder and includes your encryption
certificate in messages that you send so that recipients can encrypt their reply messages.
1.
In the device options, click Security Options.
2. Click S/MIME.
3. In the Signing Options section or the Encryption Options section, change the Certificate field.
4. Press the Menu key.
5. Click Save.
Change the default signing and encryption option
Your BlackBerry® device is designed to use the default signing and encryption option when you send a message to a contact that you
have not sent a message to or received a message from previously. If you have sent a message to or received message from the contact
previously, your device tries to use the signing and encryption option that was used for the last message.
1.
In the device options, click Advanced Options.
2. Click Default Services.
3. Change the Default Encoding field.
4. Press the Menu key.
5. Click Save.
User Guide Messages
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