func (m *Message) EmbedReader(name string, r io.Reader, settings ...FileSetting) {
	m.embedded = m.appendFile(m.embedded, fileFromReader(name, r), settings)
}
func (m *Message) EmbedReader(name string, r io.Reader, settings ...FileSetting) {
	m.embedded = m.appendFile(m.embedded, fileFromReader(name, r), settings)
}
func ( m * Message ) EmbedReader ( name string , r io . Reader , settings ... FileSetting ) { m . embedded = m . appendFile ( m . embedded , fileFromReader ( name , r ) , settings ) }
// EmbedReader embeds the images to the email.
EmbedReader embeds the images to the email .