Work through this in order
- Save the email as an EML file from a trusted source.
- Open the EML viewer with that local file.
- Review plain-text headers including sender and subject.
- Review any plain-text part without rendering HTML or loading remote assets.
- Verify suspicious senders independently rather than following embedded links.
Use the matching tool
Inspect a local copy with EML Email Header & Text Viewer. After the check, save or repair files only using trusted software that supports the format.