Failed to connect to SMTP host ZYEGROUP.COM because : The server is not responding. The server may be down or you may be experiencing network problems
发布时间：2013-11-27 19:53:46
| 错误代码 | Failed to connect to SMTP host ZYEGROUP.COM because : The server is not
responding. The server may be down or you may be experiencing network
problems. Contact your system administrator if this problem persists |
| 形成原因 | 由于邮件投递的第一步在于发件方检测收件方域名MX指向。如果发件方无法成功检测邮件将无法链接正确的服务器进行投递。 |
| 解决办法/流程 | 由于邮件投递的第一步在于发件方检测收件方域名MX指向。如果发件方无法成功检测邮件将无法链接正确的服务器进行投递。经过确认，网易并无屏蔽发信域的来信。
建议从发件方的发信日志开始进行问题原因的查询。
kf本地查询收信方的mx记录有正常指向海外mx记录，但是在查询当时有出现短暂的DNS记录查询超时相应的情况，建议联系域名提供商确认该域名的DNS服务器是否一直都稳定。
另，必须要与BPM 确认是否可以正常查询到贵司域名得的MX指向如下，我们在本地可以查询到不代表发件方服务器可以查询到，因为DNS记录生效并不是全球同步的。因此此问题最终须与发件方服务器管理员进行核实才能得以确认。 |
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原文分享地址:http://www.hb-163.com/fault/dns/622.html
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