public static void ClearOverdueMails(DBManager dbMgr)
{
long nowTicks = DateTime.Now.Ticks / 10000L;
if (nowTicks - UserMailManager.LastClearMailTicks >= 123428447L)
{
UserMailManager.LastClearMailTicks = nowTicks;
DBWriter.ClearOverdueMails(dbMgr, DateTime.Now.AddDays(-15.0));
}
}