Rejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence: ...
show moreRejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
2026-10-28 12:13:52.445 [205184] rejected EHLO from azpdwsx1m7gb.stretchoid.com [20.169.85.75]:34016 I=[89.36.26.153]:587 Ci=205184: syntactically invalid argument(s): (no argument given)
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Rejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence: ...
show moreRejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
2026-10-28 12:11:30.269 [204532] rejected EHLO from [172.202.106.160]:53558 I=[176.223.227.38]:587 Ci=204532: syntactically invalid argument(s): (no argument given)
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Rejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence: ...
show moreRejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
2026-10-28 12:11:29.890 [204531] rejected EHLO from azpdws1cpt2u.stretchoid.com [20.150.193.0]:52518 I=[176.223.227.35]:587 Ci=204531: syntactically invalid argument(s): (no argument given)
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 10:17:04 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A00006C:SSL routines::bad key share (no auth attempts in 0 secs): user=<>, rip=195.96.139.88, lip=89.36.26.153, TLS handshaking: SSL_accept() failed: error:0A00006C:SSL routines::bad key share, session=<yl4
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 10:14:52 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A000102:SSL routines::unsupported protocol (no auth attempts in 0 secs): user=<>, rip=185.247.137.90, lip=89.36.26.153, TLS handshaking: SSL_accept() failed: error:0A000102:SSL routines::unsupported protoco
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 10:12:39 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A000102:SSL routines::unsupported protocol (no auth attempts in 0 secs): user=<>, rip=185.247.137.128, lip=89.36.26.153, TLS handshaking: SSL_accept() failed: error:0A000102:SSL routines::unsupported protoc
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 10:12:06 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A00018C:SSL routines::version too low (no auth attempts in 0 secs): user=<>, rip=195.96.139.125, lip=89.36.26.153, TLS handshaking: SSL_accept() failed: error:0A00018C:SSL routines::version too low, session
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 05:56:14 imap-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A0000C1:SSL routines::no shared cipher (no auth attempts in 0 secs): user=<>, rip=87.236.176.136, lip=176.223.227.35, TLS handshaking: SSL_accept() failed: error:0A0000C1:SSL routines::no shared cipher, sessi
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 05:54:35 imap-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A000102:SSL routines::unsupported protocol (no auth attempts in 0 secs): user=<>, rip=185.247.137.125, lip=176.223.227.35, TLS handshaking: SSL_accept() failed: error:0A000102:SSL routines::unsupported protoc
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 05:52:56 imap-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A000102:SSL routines::unsupported protocol (no auth attempts in 0 secs): user=<>, rip=185.247.137.209, lip=176.223.227.35, TLS handshaking: SSL_accept() failed: error:0A000102:SSL routines::unsupported protoc
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
Oct 28 05:51:49 imap-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A00018C:SSL routines::version too low (no auth attempts in 0 secs): user=<>, rip=195.96.139.183, lip=176.223.227.35, TLS handshaking: SSL_accept() failed: error:0A00018C:SSL routines::version too low, session
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Auth attack activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log eviden ...
show moreAuth attack activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
2026-10-28 05:21:36.313 [156288] login authenticator failed for H=([213.230.90.26]) [14.23.77.27]:43020 I=[176.223.227.35]:465 Ci=156288: 535 Incorrect authentication data (set_id=andrei.circhelan)
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Auth attack activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log eviden ...
show moreAuth attack activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
2026-10-28 05:21:14.574 [156163] login authenticator failed for H=(82-209-191-14.cust.bredband2.com) [122.176.119.187]:52000 I=[176.223.227.35]:465 Ci=156163: 535 Incorrect authentication data (set_id=a***@bizlawyer.ro)
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Rejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence: ...
show moreRejected activity against our mail infrastructure (1 hits, first seen 2026-10-28 UTC).
Log evidence:
2026-10-28 04:25:19.903 [149906] rejected EHLO from portscanner-ams3-02.prod.cyberresilience.io [178.128.251.47]:29793 I=[176.223.227.38]:25 Ci=149906: syntactically invalid argument(s): (no argument given)
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 23:03:32 pop3-login: Info: Disconnected: Disconnected: Too many bad commands (no auth attempts in 1 secs): user=<>, rip=66.132.224.92, lip=176.223.227.35, session=<FXR5x9hezOtChOBc>
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Auth attack activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log eviden ...
show moreAuth attack activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
2026-10-27 22:27:36.524 [109824] login authenticator failed for H=([27.24.141.160]) [41.219.149.77]:3743 I=[176.223.227.35]:465 Ci=109824: 535 Incorrect authentication data (set_id=andrei.circhelan)
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Auth attack activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log eviden ...
show moreAuth attack activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
2026-10-27 22:11:33.801 [108233] login authenticator failed for H=([125.134.191.222]) [218.155.106.83]:56178 I=[176.223.227.35]:465 Ci=108233: 535 Incorrect authentication data (set_id=office)
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 22:09:48 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A00006C:SSL routines::bad key share (no auth attempts in 0 secs): user=<>, rip=112.94.253.42, lip=89.36.26.153, TLS handshaking: SSL_accept() failed: error:0A00006C:SSL routines::bad key share, session=<WnN
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 20:42:35 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number (no auth attempts in 0 secs): user=<>, rip=123.58.213.22, lip=89.36.26.153, TLS handshaking: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 19:38:41 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number (no auth attempts in 0 secs): user=<>, rip=156.225.1.34, lip=176.223.227.35, TLS handshaking: SSL_accept() failed: error:0A00010B:SSL routines::wrong version number,
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 19:34:20 pop3-login: Info: Disconnected: Disconnected: Too many bad commands (no auth attempts in 0 secs): user=<>, rip=152.32.180.138, lip=89.36.26.153, session=<hmRT29VeQKyYILSK>
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 19:32:12 pop3-login: Info: Disconnected: Disconnected: Too many bad commands (no auth attempts in 0 secs): user=<>, rip=152.32.180.86, lip=176.223.227.38, session=<3PCw09VeaOeYILRW>
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Auth attack activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log eviden ...
show moreAuth attack activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
2026-10-27 18:53:04.282 [85271] login authenticator failed for H=(intereuropartc.19522243-138.bih.net.ba) [210.95.231.191]:47113 I=[176.223.227.35]:465 Ci=85271: 535 Incorrect authentication data (set_id=andrei.circhelan)
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Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 17:03:43 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A000102:SSL routines::unsupported protocol (no auth attempts in 0 secs): user=<>, rip=185.247.137.78, lip=176.223.227.38, TLS handshaking: SSL_accept() failed: error:0A000102:SSL routines::unsupported protoco
show less
Probe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oc ...
show moreProbe activity against our mail infrastructure (1 hits, first seen 2026-10-27 UTC).
Log evidence:
Oct 27 17:03:10 pop3-login: Info: Disconnected: Connection closed: SSL_accept() failed: error:0A0000C1:SSL routines::no shared cipher (no auth attempts in 0 secs): user=<>, rip=195.96.139.163, lip=176.223.227.38, TLS handshaking: SSL_accept() failed: error:0A0000C1:SSL routines::no shared cipher, sessi
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