Major release with a load of new features and many improvements

New features

• Support to follow or ignore referrals returned from external LDAP queries
• Added option to allow unchecked SSL connection to LDAP server (not recommended)
• Allow to verify user keystore settings with arbitrary email address
• S/MIME: Support for encryption with domain or gateway certificates
• PGP: Support for user keystore files in GnuPG's new keybox format

Improvements

• Support to follow or ignore LDAP referrals as configured in user directories
• Support for excluding emails from encryption based on regex pattern in email headers
• Updated crypto library to BouncyCastle 1.7.3 with several fixes and improvements
• Remove S/Notify version from email headers (unless in evaluation or debug mode)
• Also recognize user invitation emails as account relevant emails so they can optionally be excluded from encryption
• Support file download with a list of configuration settings
• Clarified several error messages so the problem cause is determined more easily
• Extended and improved the user interface for external LDAP settings
• Improved checks and usability in Verify Settings
• Improved usability in Advanced Settings
• Clarified some configuration description texts
• Internal improvements
• S/MIME: Option to activate opaque signatures from Encryption Settings
• PGP: Tolerate invalid characters in PGP keys