email

type Attachment struct {
	Cid  string
	Name string
	Data io.Reader
}

type DirectSender struct {
	Sender
}

type Email struct {
	MsgID       string
	Date        time.Time
	Subject     string
	Message     string
	HTML        bool
	Attachments []*Attachment

	DkimDomain     string
	DkimSelector   string
	DkimPrivateKey string
	// contains filtered or unexported fields
}

type SMTPSender struct {
	// Host represents the host of the SMTP server.
	Host string

	// Port represents the port of the SMTP server.
	Port int

	// Username is the username to use to authenticate to the SMTP server.
	Username string

	// Password is the password to use to authenticate to the SMTP server.
	Password string

	// Auth represents the authentication mechanism used to authenticate to the
	// SMTP server.
	Auth smtp.Auth

	Sender
}

type Sender struct {
	// LocalName is the hostname sent to the SMTP server with the HELO command.
	// By default, "localhost" is sent.
	Helo string

	// Timeout timeout when connect to the SMTP server
	Timeout time.Duration

	// SSL defines whether an SSL connection is used. It should be false in
	// most cases since the authentication mechanism should use the STARTTLS
	// extension instead.
	SSL bool

	// SkipTLS Skip StartTLS when the STARTTLS extension is used
	SkipTLS bool

	// TSLConfig represents the TLS configuration used for the TLS (when the
	// STARTTLS extension is used) or SSL connection.
	TLSConfig *tls.Config

	// ConnDebug  a conn wrap func
	ConnDebug func(conn net.Conn) net.Conn

	// DataDebug  a data writer wrap func
	DataDebug func(w io.Writer) io.Writer
	// contains filtered or unexported fields
}