PowerMTA™ 3.5r16 

Top 10 domains by number of recipients

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Name #Rcpt KBytes #Conn Last Error
comcast.net 1,158 4,835.7 0 2025-07-18 02:22:11 Error: connection closed by the remote host while connected from server1.sjfdn.cn (10.0.0.237) to mx2a1.comcast.net (96.103.145.162)
libero.it 302 1,268.0 0 2025-07-18 02:15:17 SMTP service unavailable: "421 smtp-08.iol.local smtp-08.iol.local No reverse DNS [smtp-08.iol.local; LIB_120]" received from smtp-in.libero.it (213.209.1.129) while connected from server1.sjfdn.cn (10.0.0.237) to smtp-in.libero.it (213.209.1.129)
charter.net 137 572.1 0 2025-07-18 02:16:21 Connection attempt failed, status = ECONNREFUSED while connecting from server1.sjfdn.cn (10.0.0.237) to mx0.charter.net (47.43.18.9)
virgilio.it 83 348.9 0 2025-07-18 02:15:20 SMTP service unavailable: "421 smtp-38.iol.local smtp-38.iol.local No reverse DNS [smtp-38.iol.local; VIR_120]" received from smtp-in.virgilio.it (213.209.1.130) while connected from server1.sjfdn.cn (10.0.0.237) to smtp-in.virgilio.it (213.209.1.130)
virginmedia.com 66 276.1 0 2025-07-18 02:23:48 SMTP service unavailable: "421 mx3-prd-nl1-vmo.edge.unified.services mx3-prd-nl1-vmo.edge.unified.services MXIN108 Failure to determine Reverse DNS for your IP 114.96.76.73. Fix or retry later. ;id=cTGpuN4X49R13;sid=cTGpuN4X49R13;mta=mx3-prd-nl1-vmo;d=20250717;t=202351[CET];ipsrc=114.96.76.73;" received from mxin10.virginmedia.com (84.116.6.18) while connected from server1.sjfdn.cn (10.0.0.237) to mxin10.virginmedia.com (84.116.6.18)
eircom.net 60 250.0 0 2025-07-18 02:18:44 SMTP service unavailable: "421 eir-ibgw-8001a.ext.cloudfilter.net cmsmtp 114.96.76.73 blocked AUP#DNS" received from eir-08.mx.a.cloudfilter.net (15.188.200.44) while connected from server1.sjfdn.cn (10.0.0.237) to eir-08.mx.a.cloudfilter.net (15.188.200.44)
interia.pl 59 248.2 0 2025-07-18 02:18:29 Maximum of 10 recipient errors detected; disconnecting while connected from server1.sjfdn.cn (10.0.0.237:48861) to mx.interia.pl (217.74.65.64)
ntlworld.com 53 221.1 0 2025-07-18 02:17:38 SMTP service unavailable: "421 mx1-prd-nl1-vmo.edge.unified.services mx1-prd-nl1-vmo.edge.unified.services MXIN108 Failure to determine Reverse DNS for your IP 114.96.76.73. Fix or retry later. ;id=cTAsurZrHLAHE;sid=cTAsurZrHLAHE;mta=mx1-prd-nl1-vmo;d=20250717;t=201742[CET];ipsrc=114.96.76.73;" received from mxin10.virginmedia.com (84.116.6.18) while connected from server1.sjfdn.cn (10.0.0.237) to mxin10.virginmedia.com (84.116.6.18)
bol.com.br 51 215.1 0 2025-07-18 02:16:40 Error: connection closed by the remote host while connected from server1.sjfdn.cn (10.0.0.237:57579) to mx3.bol.com.br (200.147.41.201)
roadrunner.com 50 208.7 0 2025-07-18 02:16:35 Connection attempt failed, status = ECONNREFUSED while connecting from server1.sjfdn.cn (10.0.0.237) to pkvw-mx.msg.pkvw.co.charter.net (47.43.26.7)

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