cmdflags

type Settings struct {
	SmtpHost       types.DomainName
	SmtpPort       types.TCPPort
	RootCA         types.FilePath
	Security       types.Security
	Authentication types.AuthenticationMethod
	Login          string
	Password       string

	Sender        types.Email
	ReplyTo       types.EmailAddresses
	RecipientsTo  types.EmailAddresses
	RecipientsCC  types.EmailAddresses
	RecipientsBCC types.EmailAddresses
	MessageID     string
	Subject       string
	Headers       types.Headers

	BodyText    string
	BodyHtml    string
	Attachments types.Attachments
}