metrics

type Metrics struct {

	// Email statistics
	TotalEmailsSent     uint64
	TotalEmailsFailed   uint64
	TotalAttachmentSize uint64
	AvgDeliveryTime     time.Duration

	// Connection metrics
	ActiveConnections  int64
	TotalConnections   uint64
	ConnectionErrors   uint64
	ConnectionTimeouts uint64

	// Batch metrics
	BatchesProcessed uint64
	AvgBatchSize     float64
	BatchSuccessRate float64

	// Rate limiting
	ThrottleEvents   uint64
	CurrentRateLimit int64
	RateLimitHits    uint64

	// Template metrics
	TemplateCacheHits   uint64
	TemplateCacheMisses uint64
	TemplateCacheSize   int64

	// Error tracking
	ErrorCounts     map[string]uint64
	LastError       time.Time
	ConsecutiveErrs uint64
	// contains filtered or unexported fields
}

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