GUID validation

Workflow runs for GUID validation

• Modernize EML parsing with pinned cross-platform MIME support

  failed:
  GUID validation#4:Pull request#15openedbySingularVector
  update/cross-platform-eml

  Oct 23, 20261m 3s
  More actions for workflow run 4

• Merge pull request #15 from SingularVector/update/cross-platform-eml

  failed:
  GUID validation#3:Commit9233e38pushedbySingularVector
  master

  Oct 23, 202641s
  More actions for workflow run 3

• Merge pull request #14 from SingularVector/update/guid-and-registry

  failed:
  GUID validation#2:Commitd431342pushedbySingularVector
  master

  Oct 23, 202651s
  More actions for workflow run 2

• Update/guid and registry

  failed:
  GUID validation#1:Pull request#14openedbySingularVector
  update/guid-and-registry

  Oct 23, 202641s
  More actions for workflow run 1