smtpd

type BasicEnvelope struct {
	// contains filtered or unexported fields
}

type Connection interface {
	Addr() net.Addr
	Close() error // to force-close a connection
}

type Envelope interface {
	AddRecipient(rcpt MailAddress) error
	BeginData() error
	Write(line []byte) error
	Close() error
}

type MailAddress interface {
	Email() string    // email address, as provided
	Hostname() string // canonical hostname, lowercase
}

type SMTPError string

type Server struct {
	Addr         string        // TCP address to listen on, ":25" if empty
	Hostname     string        // optional Hostname to announce; "" to use system hostname
	ReadTimeout  time.Duration // optional read timeout
	WriteTimeout time.Duration // optional write timeout

	PlainAuth bool // advertise plain auth (assumes you're on SSL)

	// OnNewConnection, if non-nil, is called on new connections.
	// If it returns non-nil, the connection is closed.
	OnNewConnection func(c Connection) error

	// OnNewMail must be defined and is called when a new message beings.
	// (when a MAIL FROM line arrives)
	OnNewMail func(c Connection, from MailAddress) (Envelope, error)
}