摘要： 先排除代码的错误, 程序工作正常, 只是偶尔出现这个故障, 应该不是代码的问题.一.错误信息: Failure sending mail.The remote name could not be resolved: 'www.youdomain.com'二.错误原因: smtp域名到ip地址解析失败, 应该是dns的问题, 搜了一些帖子, 列在下面:1.Found the problem. I updated my DNS entries a few hours ago, and it appears the changes to smpt server is not yet 阅读全文