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No reports in the last 60 days
158.51.78.88 has been reported 24
times. The most recent report is from
.
The full history is preserved below and remains searchable. A
0% score reflects the absence of recent activity, but
this is not a guarantee that earlier reports were invalid. Abuse confidence score decays,
naturally, over time, when the abusive activity stops.
Recognized SMTP spam attack with very high confidence, e.g. misbehaved in pre-connection test, listed in RBL, content scan, or connected through wrong MX initially.
Email Spam
Anonymous
2024-11-13T09:39:02.960549+01:00 postfix/smtpd[3782222]: NOQUEUE: reject: RCPT from yunyingyun.com[158.51.78.88]: 554 5.7.1 Service unavailable; Client host [158.51.78.88] blocked using zen.spamhaus.org; Listed by SBL, see https://check.spamhaus.org ...
show more2024-11-13T09:39:02.960549+01:00 postfix/smtpd[3782222]: NOQUEUE: reject: RCPT from yunyingyun.com[158.51.78.88]: 554 5.7.1 Service unavailable; Client host [158.51.78.88] blocked using zen.spamhaus.org; Listed by SBL, see https://check.spamhaus.org/sbl/query/SBLCSS; proto=ESMTP helo=<yunyingyun.com> 2024-11-13T09:41:46.570865+01:00 postfix/smtpd[3786939]: NOQUEUE: reject: RCPT from yunyingyun.com[158.51.78.88]: 554 5.7.1 Service unavailable; Client host [158.51.78.88] blocked using zen.spamhaus.org; Listed by SBL, see https://check.spamhaus.org/sbl/query/SBLCSS; proto=ESMTP helo=<yunyingyun.com> 2024-11-13T09:41:47.126387+01:00 postfix/smtpd[3786941]: NOQUEUE: reject: RCPT from yunyingyun.com[158.51.78.88]: 554 5.7.1 Service unavailable; Client host [158.51.78.88] blocked using zen.spamhaus.org; Listed by SBL, see https://check.spamhaus.org/sbl/query/SBLCSS; proto=ESMTP helo=<yunyingyun.com>
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