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WinWebMail邮件投递超时错误解决办法

时间:2023-06-02 16:16:41 来源: 人气:

   服务器端安装的是WinWebMail3.7.3.1,之前邮箱都使用正常,可是近来频频出现邮件投递失败的情况,首先考虑到是DNS的原因。,  在大部分情况下对外部(英特网)邮箱发信失败都是因为DNS设置不当或所使用的DNS服务器无法正常工作引起的。可以在服务器上点击右下角图标,然后在弹出菜单中选取“服务”项后查看所设置的DNS服务器地址(见下图)。需确认:,  1. 是否设置有DNS服务器地址。,  2. 所设置的DNS服务器地址是否是有效的。,  3. 此DNS服务器是否正常工作。,  可以试试下面这些DNS地址,或直接询问本地ISP服务提供商:,  205.252.144.228,  202.106.127.1,  216.239.32.10,  168.95.1.1,  202.102.192.68,  202.106.0.20,  202.96.199.133,  202.106.196.115,  202.96.96.235,  202.103.226.68,  202.96.96.236,  202.103.224.68,  210.162.122.114,  解决办法:,  1. 在这种情况下更改DNS地址是个好主意(更改DNS成功后必须要重新启动一下WinWebMail服务才能生效)。,  2. 输入另一个不同的备用DNS地址,这样当首选DNS暂停服务时,WinWebMail将可以自动使用备用DNS服务器进行目标地址的解析和投递,从而保证通讯畅通。,  3. 绝大部分情况下,请不要将局域网内的某台机器IP(如:10.96.0.1)做为DNS服务器地址。,  4. 为了确认所选用的DNS可以正常使用,您可以在服务器上ping该DNS地址,当可以ping通时,即可以认为该DNS能够正常工作。请优先选择响应时间最短的DNS,因为这样将可以大幅提高外发邮件的速度。,  邮件服务器DNS设置,  首选DNS的IP地址:205.252.144.228,  被用DNS的IP地址:202.106.127.1,  C:/Documents and Settings/Administrator>ping 205.252.144.228,  Pinging 205.252.144.228 with 32 bytes of data:,  Reply from 205.252.144.228: bytes=32 time=12ms TTL=242,  Reply from 205.252.144.228: bytes=32 time=10ms TTL=242,  Reply from 205.252.144.228: bytes=32 time=9ms TTL=242,  Reply from 205.252.144.228: bytes=32 time=9ms TTL=242,  Ping statistics for 205.252.144.228:,  Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),,  Approximate round trip times in milli-seconds:,  Minimum = 9ms, Maximum = 12ms, Average = 10ms,  C:/Documents and Settings/Administrator>ping 202.106.127.1,  Pinging 202.106.127.1 with 32 bytes of data:,  Reply from 202.106.127.1: bytes=32 time=42ms TTL=55,  Reply from 202.106.127.1: bytes=32 time=66ms TTL=55,  Reply from 202.106.127.1: bytes=32 time=45ms TTL=55,  Reply from 202.106.127.1: bytes=32 time=42ms TTL=55,  Ping statistics for 202.106.127.1:,  Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),,  Approximate round trip times in milli-seconds:,  Minimum = 42ms, Maximum = 66ms, Average = 48ms,  虽然都可以ping通,但是半数以上邮件仍然投递超时错误,尤其发送到香港同事的邮件全部退回,错误提示:,  无法将您的邮件投递至以下指定地址:,  xxx@xxx.com : DNS lookup failed.,  无奈只能选择其他DNS,但无一例外,邮件投递超时错误。,  最后想到google的DNS服务器8.8.8.8,8.8.4.4。,  于是将首选DNS的IP地址改为8.8.4.4,很好很强大,发送邮件全部成功。不谢了,google。,  附录:国内各地DNS服务器地址,  北京:202.96.199.133 202.96.0.133 202.106.0.20 202.106.148.1 202.97.16.195,  上海:202.96.199.132 202.96.199.133 202.96.209.5 202.96.209.133,  天津:202.99.96.68 10.10.64.68,  广东:202.96.128.143 202.96.128.68 202.96.128.110,  深圳:202.96.134.133 202.96.154.8 202.96.154.15,  河南:202.102.227.68 202.102.245.12 202.102.224.68,  广西:202.96.128.68 202.103.224.68 202.103.225.68,  福建:202.101.98.54 202.101.98.55,  厦门:202.101.103.55 202.101.103.54,  湖南:202.103.0.68 202.103.96.68 202.103.96.112,  江苏:202.102.15.162 202.102.29.3 202.102.13.141 202.102.24.35,  陕西:202.100.13.11 202.100.4.16,  西安:202.100.4.15 202.100.0.68,  湖北:202.103.0.68 202.103.0.117 202.103.24.68,  山东:202.102.154.3 202.102.152.3 202.102.128.68 202.102.134.68,  浙江:202.96.102.3 202.96.96.68 202.96.104.18,  辽宁:202.98.0.68 202.96.75.68 202.96.75.64 202.96.69.38 202.96.86.18 202.96.86.24,  安徽:202.102.192.68 202.102.199.68 10.89.64.5,  重庆:61.128.128.68 10.150.0.1,  黑龙江:202.97.229.133 202.97.224.68,  河北:202.99.160.68 10.17.128.90,  保定:202.99.160.68 202.99.166.4,  吉林:202.98.5.68 202.98.14.18 202.98.14.19,  江西:202.101.224.68 10.117.32.40 202.109.129.2 202.101.240.36,  山西:202.99.192.68 202.99.198.6,  新疆:61.128.97.74 61.128.97.73,  贵州:202.98.192.68 10.157.2.15,  云南:202.98.96.68 202.98.160.68,  四川:202.98.96.68 61.139.2.69,  重庆:61.128.128.68 61.128.192.4,  成都:202.98.96.68 202.98.96.69,  内蒙古:202.99.224.68 10.29.0.2,  青海:202.100.128.68 10.184.0.1,  海南:202.100.192.68 202.100.199.8,  宁夏:202.100.0.68 202.100.96.68,  甘肃:202.100.72.13 10.179.64.1,  香港:205.252.144.228 208.151.69.65,  澳门:202.175.3.8 202.175.3.3,

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