Password email not sent (#34)

* Sending mails from password reset

now we are really sending the mail
* Must set Mail configuration

backend/config/config.go

@@ -32,6 +32,13 @@ type Config struct {
 	// PDF Templates
 	TemplatesDir  string // Directory where PDF templates are stored
 	ExportTempDir string // Directory for temporary PDF exports
+
+	// Mail Configuration
+	MailHost     string // SMTP server host
+	MailPort     int    // SMTP server port
+	MailUsername string // SMTP username
+	MailPassword string // SMTP password
+	MailFrom     string // Default sender email address
 }
 
 // Cfg ist die globale Konfigurationsvariable
@@ -56,6 +63,11 @@ func defaultConfig() *Config {
 		FrontendURL:   "http://localhost:5173", // Default frontend URL for development
 		TemplatesDir:  "./templates",           // Default templates directory
 		ExportTempDir: "./xporttemp",           // Default export temp directory
+		MailHost:      "",                      // No default, must be configured
+		MailPort:      465,                     // Default SMTP SSL port
+		MailUsername:  "",                      // No default, must be configured
+		MailPassword:  "",                      // No default, must be configured
+		MailFrom:      "",                      // No default, must be configured
 	}
 }
 
@@ -136,6 +148,28 @@ func LoadConfig() *Config {
 		config.ExportTempDir = exportTempDir
 	}
 
+	// Mail Configuration
+	if mailHost := os.Getenv("MAIL_HOST"); mailHost != "" {
+		config.MailHost = mailHost
+	}
+	if mailPort := os.Getenv("MAIL_PORT"); mailPort != "" {
+		if port, err := strconv.Atoi(mailPort); err == nil {
+			config.MailPort = port
+		}
+	}
+	if mailUsername := os.Getenv("MAIL_USERNAME"); mailUsername != "" {
+		config.MailUsername = mailUsername
+	}
+	if mailPassword := os.Getenv("MAIL_PASSWORD"); mailPassword != "" {
+		config.MailPassword = mailPassword
+	}
+	if mailFrom := os.Getenv("MAIL_FROM"); mailFrom != "" {
+		config.MailFrom = mailFrom
+	} else if config.MailUsername != "" {
+		// Fallback: Verwende Username als From-Adresse
+		config.MailFrom = config.MailUsername
+	}
+
 	fmt.Printf("DEBUG LoadConfig - Finale Config: Environment='%s', DevTesting='%s', DatabaseType='%s'\n Complete: %v\n",
 		config.Environment, config.DevTesting, config.DatabaseType, config)