PowerMTA™ 3.5r16 

Top 10 domains by number of recipients

Customize View Help
Name #Rcpt KBytes #Conn Last Error
bit.edu.cn 78 1,043.9 0 2025-08-02 20:43:20 SMTP protocol failure: Unexpected reply code to RSET command; 421 4.7.0 mailgw.bit.edu.cn Error: too many errors by mailgw.bit.edu.cn (202.204.80.7) while connected from server1.unvsd.cn (10.0.0.222:50559) to mailgw.bit.edu.cn (202.204.80.7)
comcast.net 73 50.1 0 2025-08-02 20:35:36 Error: connection closed by the remote host while connected from server1.unvsd.cn (10.0.0.222) to mx2a1.comcast.net (96.103.145.162)
seznam.cz 54 37.1 0 2025-08-02 20:35:35 SMTP service unavailable: "421 4.7.1 email.seznam.cz you have been temporarily banned (https://napoveda.seznam.cz/cz/email/email-caste-dotazy/)" received from mx2.seznam.cz (77.75.77.42) while connected from server1.unvsd.cn (10.0.0.222) to mx2.seznam.cz (77.75.77.42)
gmail.com 41 34.3 4 2025-08-02 20:43:45 Maximum of 10 recipient errors detected; disconnecting while connected from server1.unvsd.cn (10.0.0.222:60600) to alt2.gmail-smtp-in.l.google.com (142.250.101.26)
charter.net 12 8.3 0 2025-08-02 20:38:37 Connection attempt failed, status = ECONNREFUSED while connecting from server1.unvsd.cn (10.0.0.222) to mx0.charter.net (47.43.18.9)
free.fr 11 11.4 0 2025-08-02 20:37:41 SMTP protocol failure: syntax error: 3-digit code not found; The IP 49.65.102.181 is blacklisted on Spamhaus PBL by mx2.free.fr (212.27.42.59) while connected from server1.unvsd.cn (10.0.0.222) to mx2.free.fr (212.27.42.59)
otenet.gr 10 14.4 0 2025-08-02 20:34:46 SMTP service unavailable: "421 4.7.1 Rejected: listed as spam source at ZEN http://www.spamhaus.org/query/bl?ip=49.65.102.181" received from mx4.otenet.gr (62.103.147.223) while connected from server1.unvsd.cn (10.0.0.222) to mx4.otenet.gr (62.103.147.223)
uol.com.br 10 6.9 0 2025-08-02 20:42:15 Error: connection closed by the remote host while connected from server1.unvsd.cn (10.0.0.222:46501) to mx.uol.com.br (200.147.41.231)
email.cz 9 6.1 0 2025-08-02 20:35:32 SMTP service unavailable: "421 4.7.1 email.seznam.cz you have been temporarily banned (https://napoveda.seznam.cz/cz/email/email-caste-dotazy/)" received from mx2.seznam.cz (77.75.77.42) while connected from server1.unvsd.cn (10.0.0.222) to mx2.seznam.cz (77.75.77.42)
iwhr.com 9 82.9 0 2025-08-02 20:41:43 SMTP protocol failure: Unexpected reply code to RSET command; 421 4.7.0 mailgw.iwhr.com Error: too many errors by mx.iwhr.com (123.127.143.23) while connected from server1.unvsd.cn (10.0.0.222:39678) to mx.iwhr.com (123.127.143.23)

10 of 5573 domains.

View options
Domain name
Virtual MTA
Sort by  name    # of recipients    queue size
Connections  connected domains only    unconnected domains only    both
Display at most domains
Refresh every seconds (if omitted or zero, don't refresh)