Add CLI flags for setup and server configuration

- Add --setup flag to create admin user
- Add --admin-user and --admin-password for setup
- Generate cryptographically random passwords for --setup
- Add --bind and --port flags for server binding
- Add BIND env var support
- Add SMTP email service for password reset
- Add password reset token storage
- Add auth header to queue/logs frontend pages
- Fix journalctl timestamp format
- Fix logs to return empty array instead of error when no entries
- Fix queue handler to return proper error message
- Hide Users/Aliases nav links when no domain selected

backend/internal/mail/logs.go

@@ -24,7 +24,6 @@ func GetLogs(hours int, filter string) ([]LogEntry, error) {
 		"-u", "postfix",
 		"--since", formatDuration(hours),
 		"--no-pager",
-		"-o", "short=false",
 	}
 
 	cmd := exec.CommandContext(ctx, "journalctl", args...)
@@ -40,7 +39,11 @@ func GetLogs(hours int, filter string) ([]LogEntry, error) {
 	priorityRegex := regexp.MustCompile(`\[([^\]]+)\]`)
 
 	for scanner.Scan() {
-		line := scanner.Text()
+		line := strings.TrimSpace(scanner.Text())
+
+		if strings.Contains(line, "-- No entries") || line == "" {
+			continue
+		}
 
 		if filter != "" && !strings.Contains(strings.ToLower(line), strings.ToLower(filter)) {
 			continue
@@ -84,5 +87,5 @@ func GetLogs(hours int, filter string) ([]LogEntry, error) {
 }
 
 func formatDuration(hours int) string {
-	return time.Now().Add(-time.Duration(hours) * time.Hour).Format("15:04:05 2006-01-02")
+	return time.Now().Add(-time.Duration(hours) * time.Hour).Format("2006-01-02 15:04:05")
 }