PowerMTA™ 3.5r16 

Top 10 queues in virtual MTA "vmta1" by number of recipients

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Name #Rcpt KBytes #Conn Paused Mode Last Error
stu.sdnu.edu.cn/vmta1 335 2,213.2 0 no normal 2025-07-18 03:47:14 SMTP service unavailable: "450 Too many concurrent connections from your IP [M0BS2NE0lcNPnImRNpohCVwFSDJzA9XerYLjBdAQftwPaUEH/jkn7CQ= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
zjut.edu.cn/vmta1 188 1,343.1 0 no normal 2025-07-18 03:53:04 SMTP service unavailable: "450 Too many concurrent connections from your IP [ORLs+t4qA9N4fSUNNV/KEqyP8YOrDxQRyiPXNDrbwqVAkDle27pJ72I= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
zafu.edu.cn/vmta1 150 1,090.8 0 no normal 2025-07-18 03:50:33 SMTP service unavailable: "450 Too many concurrent connections from your IP [OGqA/Ptf1JSOKjPlNEWsrRCrfTUs5vIUk24Tcqu3+vb97m2PYpY/lyY= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
upc.edu.cn/vmta1 122 882.0 0 no normal 2025-07-18 03:52:04 SMTP service unavailable: "450 Too many concurrent connections from your IP [NSjjVjUmCg+CSosJ2Iwwgww1tQONKE8SgEZC++frwlwmueBklczHyys= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
nju.edu.cn/vmta1 82 558.9 0 no normal 2025-07-18 03:46:04 SMTP service unavailable: "450 Too many concurrent connections from your IP [NLAtegSadZQLx9zs+VznyWF7Uy0GyIeHcx0eInUpLAmyaoUiPY+Jc3g= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
ntu.edu.tw/vmta1 68 529.1 0 no normal 2025-07-18 03:45:56 Socket error (pollERR), status = ECONNRESET while connected from server1.weojf.cn (10.0.0.176) to mgw.ntu.edu.tw (140.112.8.25)
jiangnan.edu.cn/vmta1 64 472.7 0 no normal 2025-07-18 03:46:38 SMTP service unavailable: "450 Too many concurrent connections from your IP [M0BS2NE0lcNPCMXrcqYGOa1hCEkVTfKsIfIeWraZWPN1D5Kb5Qs4O/A= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
gdut.edu.cn/vmta1 60 426.6 0 no normal 2025-07-18 03:48:26 SMTP service unavailable: "450 Too many concurrent connections from your IP [NSjjVjUmCg+CWQRlCnv5WaeZMG26bBQm3/ixlDZgigyvy8Nts530qik= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz.vip.qq.com (183.47.101.122) while connected from server1.weojf.cn (10.0.0.176) to mxbiz.vip.qq.com (183.47.101.122)
gzhu.edu.cn/vmta1 60 444.5 0 no normal 2025-07-18 03:50:56 SMTP service unavailable: "450 Too many concurrent connections from your IP [MpV5F2PDAuMb/6TZC2i9m+QvmObDiAyScitP3n1js4hnRtWXaJabDKQ= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)
sustech.edu.cn/vmta1 60 455.9 0 no normal 2025-07-18 03:49:26 SMTP service unavailable: "450 Too many concurrent connections from your IP [NSjjVjUmCg+C3L0pKg5mSM08o3AQA6itbk5Zfvh8Dd26W/HSdjHFWNw= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.16) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.16)

10 of 2849 matching queues.

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