inbound

type Envelope struct {
	From    string
	Rcpts   []string
	Raw     []byte // with lfr's Received and Authentication-Results fields
	Parsed  *msg.Parsed
	Auth    mailauth.Result
	Verdict spam.Verdict
	IP      net.IP
	Helo    string
	TLS     bool
}

type Server struct {
	Hostname func(ctx context.Context) string
	Config   config.Config
	DNS      dnsx.Resolver
	DNSBL    *dnsbl.Checker
	Log      *slog.Logger
	TLS      *tls.Config
	Now      func() time.Time

	// Accept decides at RCPT time whether lfr takes mail for an address.
	Accept func(ctx context.Context, rcpt string) (bool, error)
	// System reports addresses lfr handles itself (bounces, reports), which skip spam scoring.
	System func(rcpt string) bool
	// Classify scores a message; KnownContact reports earlier correspondence.
	Classify     func(ctx context.Context, in spam.Input) spam.Verdict
	KnownContact func(ctx context.Context, email string) bool
	// Local reports whether lfr serves a domain.
	Local func(ctx context.Context, domain string) bool
	// Deliver stores or processes an accepted message.
	Deliver func(ctx context.Context, e *Envelope) error
	// contains filtered or unexported fields
}