feat: implement VPS/Domain expiry notifications and native SMTP support

cmd/dashboard/controller/setting.go

@@ -99,6 +99,7 @@ func updateConfig(c *gin.Context) (any, error) {
 	singleton.Conf.InstallHost = sf.InstallHost
 	singleton.Conf.IgnoredIPNotification = sf.IgnoredIPNotification
 	singleton.Conf.IPChangeNotificationGroupID = sf.IPChangeNotificationGroupID
+	singleton.Conf.ExpiryNotificationGroupID = sf.ExpiryNotificationGroupID
 	singleton.Conf.SiteName = sf.SiteName
 	singleton.Conf.DNSServers = sf.DNSServers
 	singleton.Conf.CustomCode = sf.CustomCode

cmd/dashboard/main.go

@@ -75,6 +75,15 @@ func initSystem(bus chan<- *model.Service) error {
 	if _, err := singleton.CronShared.AddFunc("0 0 * * * *", func() { singleton.RecordTransferHourlyUsage() }); err != nil {
 		return err
 	}
+
+	// 每天 12:00 检查域名与服务器到期
+	if _, err := singleton.CronShared.AddFunc("0 0 12 * * *", func() {
+		singleton.CronJobForDomainStatus()
+		singleton.CronJobForServerStatus()
+	}); err != nil {
+		return err
+	}
+
 	return nil
 }