--- !ruby/hash:ActiveSupport::HashWithIndifferentAccess
from: Test test@example.com
from_email: Test test@example.com
from_display_name: Test test@example.com
to: support@example.com
subject: Failed Mail
body: no visible content
content_type: text/plain
attachments:
- !ruby/hash:ActiveSupport::HashWithIndifferentAccess
  data: !binary |-
    JVBERi0xLjEgCiXi48/TCjEgMCBvYmoKPDwgCi9UeXBlIC9DYXRhbG9nIAovUGFnZXMgMyAwIFIgNjYzMzQ4NzM+XQo+PgpzdGFydHhyZWYKNDM4MjAzCiUlRU9GCg==
  filename: fax_1234.pdf
  preferences: !ruby/hash:ActiveSupport::HashWithIndifferentAccess
    Content-Type: application/pdf; name=fax_+491234.pdf
    Mime-Type: application/pdf
    Charset: UTF-8
- !ruby/hash:ActiveSupport::HashWithIndifferentAccess
  data: |
    Sehr geehrter Kunde,

    Sie haben soeben ein neues Fax von +491234, fuer Rufnummer 012347 empfangen.

    Empfangszeit: Thursday, January 23 2020, at 03:39 PM
    Absender: +491234
    Empfaenger: 01234
  filename: file
  preferences: !ruby/hash:ActiveSupport::HashWithIndifferentAccess
    Charset: UTF-8