IP Address: 2.55.88.51


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Reported by
Timestamp
Notes
Flags
System
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Anonymous
ipbanpro 5.0.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 3.0.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
tesi_postfix-auth
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
tesi_postfix-auth
fail2ban
BruteForce
postfix
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
postfix
Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
fail2ban
BruteForce
postfix
fail2ban
BruteForce
tesi_postfix-auth
ipban 1.8.0 - LogonDenied
BruteForce
MSExchangeLogs
Gordon
ipban 2.0.0
BruteForce
SMTP
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-27 07:05:59.4429 Login failure: 2.55.88.51 SMTP
BruteForce, Hacking
SMTP
fail2ban
BruteForce
tesi_postfix-auth
fail2ban
BruteForce
postfix
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-26 01:08:54.1055 Login failure: 2.55.88.51 SMTP
BruteForce, Hacking
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-20 06:35:55.6834 Login failure: 2.55.88.51 SMTP
BruteForce, Hacking
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-06-18 14:44:02.8926 Login failure: 2.55.88.51 SMTP
BruteForce, Hacking
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
fail2ban
BruteForce
postfix
fail2ban
BruteForce
postfix
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
ipbanpro 5.0.0
BruteForce
IceWarp
Craig
ipban 2.0.0 - Invalid Username or Password
BruteForce
MailEnable
Gordon
ipban 2.0.0
BruteForce
SMTP
Gordon
ipban 2.0.0
BruteForce
SMTP
tuya
ipban 1.9.0 - Authentication failed
BruteForce
SmarterMail
fail2ban
BruteForce
postfix
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
fail2ban
BruteForce
tesi_postfix-auth
Anonymous
Real-time Intercept: SMTP attack. Reference: 2026-05-21 23:45:35.1179 Login failure: 2.55.88.51 SMTP
BruteForce
SMTP
Chris
ipban 3.1.0 - Invalid Username or Password
BruteForce
MailEnable
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