smtp

type Client interface {
	Connect(*Command) error
	Close() error
	Cmd(string) (int, time.Duration, error)
}

type Command struct {
	Addr    string
	Port    uint16
	Timeout time.Duration

	Send                 string // typically a "HELO" or "EHLO" command
	ExpectedResponseCode int    // typically 250

	WarnRespTimeThreshold time.Duration
	CritRespTimeThreshold time.Duration
	// contains filtered or unexported fields
}

type NotReadyErr struct {
	Cause error
}

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