sys:     nil,
		})
		if zerr != nil {
			adminLogIf(ctx, zerr)
			return nil
		}
		header.Method = zip.Deflate
		zwriter, zerr := zipWriter.CreateHeader(header)
		if zerr != nil {
			adminLogIf(ctx, zerr)
			return nil
		}
		if _, err := io.Copy(zwriter, r); err != nil {
			adminLogIf(ctx, err)
		}
		return nil
	}

	for _, f := range iamExportFiles {