email

type Email struct {
	From       *mail.Address
	ReplyTo    *mail.Address
	Recipient  *Recipient
	Recipients []*Recipient
	Subject    string
	Content    string
	MIMEType   string
}

type MockSender struct {
	SendFunc func(context.Context, *Email) error
}

type Recipient struct {
	Address *mail.Address
	Type    RecipientType
}

type RecipientType string

type Sender interface {
	// Send sends an email. When ctx is cancelled, send should stop and an error
	// be returned.
	Send(context.Context, *Email) error
}