S/MIME Application policy group
The IT policy rules in the S/MIME Application policy group apply to BlackBerry® devices running the S/MIME Support Package for BlackBerry smartphones. For more information about using the S/MIME Support Package for BlackBerry smartphones,
see the S/MIME Support Package for BlackBerry Devices Security Technical Overview.
Entrust Messaging Server (EMS) Email Address IT policy rule
Description
This rule specifies the email address for your organization's Entrust Entelligence™ Messaging Server.
Default value
The default value is a null value.
Usage
Use a null value if your organization does not use an Entrust Entelligence messaging server.
Minimum requirements
- Java® based
BlackBerry®
device
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 4.0
- S/MIME Support Package for BlackBerry® smartphones version 4.0
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Allowed Content Ciphers IT policy rule
Description
This rule specifies the encryption algorithms that a BlackBerry®
device can use to encrypt S/MIME-protected messages.
Default value
The default value is to use all supported algorithms.
Usage
To maintain compatibility with most S/MIME clients, use Triple DES encryption and one of the RC2 algorithms. By default, a BlackBerry device is designed to encrypt email messages using Triple DES encryption if it does not know the decryption capabilities available to the recipient.
Minimum requirements
- Java® based
BlackBerry
device
- S/MIME Support Package
for BlackBerry® smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP1
S/MIME Allowed Encrypted Attachment Mode IT policy rule
Description
This rule specifies the mode for retrieving S/MIME-protected attachment information on a BlackBerry® device.
Default value
The default value is Automatic. A BlackBerry device requests decrypted attachment information from the BlackBerry® Enterprise Server Express Express
automatically when a user opens S/MIME-protected messages that contain attachments.
Minimum requirements
- Java® based BlackBerry device
- BlackBerry®
Device Software version 4.5
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Allowed Encryption Types
IT policy rule
Description
This rule specifies the types of encryption that a BlackBerry® device
can use with S/MIME-protected messaging.
Default value
The default value is Both. The BlackBerry device uses certificate-based encryption and password-based encryption.
Usage
Configure this rule to Certificate-based encryption only.
Configure this rule to Password-based encryption only.
Minimum requirements
- Java® based BlackBerry
device
- BlackBerry®
Device Software version 4.6
- S/MIME Support Package for BlackBerry®
smartphones version 4.0
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Force Digital Signature IT policy rule
Description
This rule specifies whether a BlackBerry®
device
sends all S/MIME-protected messages digitally signed.
Default value
The default value is No.
Minimum requirements
- Java® based
BlackBerry
device
- S/MIME Support Package
for BlackBerry®
smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Force Encrypted Messages IT policy rule
Description
This rule specifies whether a BlackBerry®
device encrypts all messages that it sends
using S/MIME encryption.
Default value
The default value is No.
Minimum requirements
- Java® based
BlackBerry device
- S/MIME Support Package
for BlackBerry®
smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP1
S/MIME Minimum Strong DH Key Length IT policy rule
Description
This rule specifies the minimum Diffie-Hellman key size (in bits) to use with S/MIME-protected messages. The permitted range is 512 through 4096 bits.
Default value
The default value is 1024 bits.
Minimum requirements
- Java® based
BlackBerry®
device
- S/MIME Support Package
for BlackBerry®
smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Minimum Strong DSA Key Length IT policy rule
Description
This rule specifies the minimum DSA key size (in bits) to use with S/MIME-protected messages.
The permitted range is 512 through 1024 bits.
Default value
The default value is 1024 bits.
Minimum requirements
- Java® based
BlackBerry®
device
- S/MIME Support Package
for BlackBerry®
smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Minimum Strong ECC Key Length IT policy rule
Description
This rule specifies the minimum ECC key size (in bits) to use with S/MIME-protected messages.
The permitted range is 163 through 571 bits.
Default value
The default value is 163 bits.
Minimum requirements
- Java® based
BlackBerry®
device
- S/MIME Support Package
for BlackBerry®
smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME Minimum Strong RSA Key Length IT policy rule
Description
This rule specifies the minimum RSA® key size (in bits) to use with S/MIME-protected messages.
The permitted range is 512 through 4096 bits.
Default value
The default value is 1024 bits.
Minimum requirements
- Java® based
BlackBerry®
device
- S/MIME Support Package
for BlackBerry®
smartphones version 1.5
- BlackBerry® Application Suite version 1.0
- BlackBerry® Connect™ version 4.0
- BlackBerry®
Device Software
version 3.6
- BlackBerry® Enterprise Server Express 5.0 SP2
S/MIME More All and Send Mode
IT policy rule
Description
This rule specifies the mode that a BlackBerry®
device uses to retrieve the complete text of an email message when a user replies to or forwards that email message.
Default value
The default value is Manual.
A BlackBerry device
user must request the complete text of the email message when the user replies to or forwards that email message.
Usage
Change this rule to Automatic to retrieve the complete text of the email message automatically.
Minimum requirements
- Java® based
BlackBerry device
- BlackBerry®
Device Software
version 5.1
- BlackBerry® Enterprise Server Express 5.0 SP2
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