PowerMTAâ„¢ 3.5r16 

Top 10 domains by number of recipients

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Name #Rcpt KBytes #Conn Last Error
myway.com 47 1,420.0 0 2025-08-14 17:04:18 Timed out while connecting from server1.dhl-us.cn (10.0.0.21) to myway.com (151.101.78.114)
fastmail.fm 45 1,359.6 0 2025-08-14 17:11:18 SMTP service unavailable: "421 Client host [117.88.100.19] blocked using internal list; Too many unknown addresses, probable dictionary harvest attack. Expected removal in 5.9 days" received from in2-smtp.messagingengine.com (202.12.124.217) while connected from server1.dhl-us.cn (10.0.0.21) to in2-smtp.messagingengine.com (202.12.124.217)
fastmail.es 43 1,299.2 0 2025-08-14 17:10:50 SMTP service unavailable: "421 Client host [117.88.100.19] blocked using internal list; Too many unknown addresses, probable dictionary harvest attack. Expected removal in 5.9 days" received from in2-smtp.messagingengine.com (202.12.124.217) while connected from server1.dhl-us.cn (10.0.0.21) to in2-smtp.messagingengine.com (202.12.124.217)
fastmail.us 39 1,178.4 0 2025-08-14 17:05:04 SMTP service unavailable: "421 Client host [117.88.100.19] blocked using internal list; Too many unknown addresses, probable dictionary harvest attack. Expected removal in 5.9 days" received from in2-smtp.messagingengine.com (202.12.124.216) while connected from server1.dhl-us.cn (10.0.0.21) to in2-smtp.messagingengine.com (202.12.124.216)
rediffmail.com 32 819.7 4 2025-08-14 17:01:21 Timed out while connecting from server1.dhl-us.cn (10.0.0.21) to mx.rediffmail.rediff.akadns.net (202.137.234.32)
libero.it 18 72.5 0 2025-08-14 17:06:36 SMTP service unavailable: "421 smtp-04.iol.local smtp-04.iol.local No reverse DNS [smtp-04.iol.local; LIB_120]" received from smtp-in.libero.it (213.209.1.129) while connected from server1.dhl-us.cn (10.0.0.21) to smtp-in.libero.it (213.209.1.129)
gmail.com 14 157.8 4 2025-08-14 17:12:52 Error: connection closed by the remote host while connected from server1.dhl-us.cn (10.0.0.21:59108) to alt1.gmail-smtp-in.l.google.com (172.217.78.26)
VSNL.COM 14 363.9 3 2025-08-14 17:11:22 Timed out while connecting from server1.dhl-us.cn (10.0.0.21) to VSNL.COM (104.21.33.183)
choetech.com 11 332.4 0 2025-08-14 17:08:43 Error: connection closed by the remote host while connected from server1.dhl-us.cn (10.0.0.21) to mxbiz2.qq.com (42.194.253.68)
slideshare.net 11 332.4 0 2025-08-14 17:07:04 Timed out while connecting from server1.dhl-us.cn (10.0.0.21) to slideshare.net (69.63.180.173)

10 of 4567 domains.

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