Pdgmail Forensic tool to analyze process memory dump for Gmail data. It will discover what it can out of the memory image including contacts, emails, last access times, IP addresses, basic headers etc. The output varies depending upon the number of the page that you have browsed with Firefox pdgmail. The process will take around 20 minutes to complete the analysis and the output varies. The number of unread emails in the Inbox can also be retrieved and the Body contents and the basic headers can be retrieved.”]
Source: https://gbhackers.com/pdgmail-forensic-tool-to-analysis-process-memory-dump/