PowerMTA™ 3.5r16 

Top 10 queues 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 00:46:22 SMTP service unavailable: "450 Too many concurrent connections from your IP [MM26xUelqNM/NROJwuQ73l2o11bVCevK4Zr0YDqzgbZm312sALvrWL4= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.68) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
zjut.edu.cn/vmta1 198 1,412.7 0 no normal 2025-07-18 00:42:06 Error: connection closed by the remote host while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
zafu.edu.cn/vmta1 180 1,298.7 0 no normal 2025-07-18 00:49:22 Error: connection closed by the remote host while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
nju.edu.cn/vmta1 132 927.2 0 no normal 2025-07-18 00:44:51 Error: connection closed by the remote host while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
upc.edu.cn/vmta1 122 882.0 0 no normal 2025-07-18 00:49:54 SMTP service unavailable: "450 Too many concurrent connections from your IP [NSjjVjUmCg+CQdp45u11fDRAaaKSLnUBKT8WZpt0iCUyp37m5k/DnaI= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.68) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
qdu.edu.cn/vmta1 76 568.5 0 no normal 2025-07-18 00:45:22 SMTP service unavailable: "450 Too many concurrent connections from your IP [M0BS2NE0lcNPpAZ22/TRdgDYHHqWPxcjdec6lBeJDR+a9RoAM4klw+w= Blocked IP 49.65.97.5]. https://open.work.weixin.qq.com/help2/pc/20064" received from mxbiz2.qq.com (42.194.253.68) while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
yzu.edu.cn/vmta1 74 499.9 0 no normal 2025-07-18 00:42:22 SMTP service unavailable: "450 Too many concurrent connections from your IP [MM26xUelqNM/NArOZeL4ZPptLMomCaDCA2KqrHZm4KFvKgnonYnP1Uo= 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 00:50:22 Timed out while connecting 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 00:46:23 Error: connection closed by the remote host while connected from server1.weojf.cn (10.0.0.176) to mxbiz2.qq.com (42.194.253.68)
gdut.edu.cn/vmta1 60 426.6 0 no normal 2025-07-18 00:47:23 Error: connection closed by the remote host while connected from server1.weojf.cn (10.0.0.176) to mxbiz1.qq.com (183.47.104.46)

10 of 3312 matching queues.

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