This beta release of MailWatch 1.2 implement tons of security fixes

tl;dr

Primarily a security fix release, also hides MCP-related fields if MCP is not enabled

Changelog

  • Correct unexpected behaviour in viewpart.php if one or more headers are not set
  • Refactor message part viewer
  • Sanitize user input
  • Hide MCP-related fields if MCP is not enabled in MailScanner