Sample EML bundle
=================

Included EML files
------------------
1. sample-mail-01-basic-reporting.eml
   - plain text body
   - attachments: XLSX, PDF, CSV

2. sample-mail-02-office-and-text.eml
   - multipart/alternative (plain + HTML)
   - attachments: DOCX, TXT, JSON, XML

3. sample-mail-03-inline-image-and-files.eml
   - HTML with inline PNG image (CID)
   - attachments: PDF, CSV

4. sample-mail-04-utf8-filenames.eml
   - UTF-8 body and non-ASCII attachment filenames
   - attachments: PDF, XLSX, CSV

5. sample-mail-05-generic-octet-stream.eml
   - attachments sent with Content-Type: application/octet-stream
   - filenames still indicate XLSX, PDF, CSV

Directory layout
----------------
- attachments/  source files used to build the messages
- eml/          generated .eml files

Use case
--------
These files are suitable for testing MIME parsing, attachment extraction,
binary vs text handling, UTF-8 filenames, inline content, and generic
octet-stream attachments.
