Network Abuse Incident Log


SASL AUTH abuse incident from 121.227.217.0 (0.217.227.121.broad.sz.js.dynamic.163data.com.cn)

Posted April 16, 2019 10:20 by abuse

The following SASL AUTH abuse incident from 121.227.217.0 (0.217.227.121.broad.sz.js.dynamic.163data.com.cn) was logged at 2019-04-16 10:20:55:

Apr 16 10:20:55 mailman postfix/smtpd[13744]: warning: unknown[121.227.217.0]:
SASL LOGIN authentication failed: authentication failure



Worst offender ASNs

🚽 AS4134 (14,098 events)

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🚽 AS17974 (619 events)

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