New MailScanner Front-End (MSFE) v9.05

Changes:

• Fixed reporting of MySQL status errors in MailControl module
• Changed MySQL characterset for tables from utf8 to utf8mb4 on new installs
• Ensure the exim custom template directory is created on DA while installing
• Fixed Search Reset button in end-user MailControl UI not working
• Fixed Ham/Spam buttons in end-user MailControl UI when feature not enabled
• Added “View in Browser” action in MailControl email view for html email bodies and other attachments for admin user