Sep 18 10:48:17 mail postfix/smtpd[52251]: improper command pipelining after CONNECT from unknown[16 ...
show moreSep 18 10:48:17 mail postfix/smtpd[52251]: improper command pipelining after CONNECT from unknown[165.245.220.107]: HELP\r\n
Sep 18 10:48:24 mail postfix/smtpd[52251]: lost connection after UNKNOWN from unknown[165.245.220.107]
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2026-09-18 04:42:27,583 fail2ban.actions [2366623]: NOTICE [postfix-unk] Ban 35.195.82.241
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show more2026-09-18 04:42:27,583 fail2ban.actions [2366623]: NOTICE [postfix-unk] Ban 35.195.82.241
2026-09-18 04:42:27,589 fail2ban.actions [2366623]: NOTICE [postfix-extra] Ban 35.195.82.241
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Sep 16 21:43:17 mail postfix/smtpd[2097699]: improper command pipelining after CONNECT from azpdesh2 ...
show moreSep 16 21:43:17 mail postfix/smtpd[2097699]: improper command pipelining after CONNECT from azpdesh2ldcl.stretchoid.com[51.8.88.44]: \026\003\001\000\356\001\000\000\352\003\003L6\315\277\v\005\244I\266\236\365Q\020\343"z\265U\213\322\370@\033~.\354\253\350W\361`\211 {7\261q2\224\272\234\353\341\257\272\026\247\267\315;i\344\207\377\217C\366J\333F\306~\343S\226\000&\314\250\314\251\300/\3000\300+\300,\300\023\300\t\300\024\300\n\000\234
Sep 16 21:43:17 mail postfix/smtpd[2097699]: lost connection after UNKNOWN from azpdesh2ldcl.stretchoid.com[51.8.88.44]
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Sep 16 13:21:30 mail postfix/smtpd[2081255]: improper command pipelining after CONNECT from 152.85.1 ...
show moreSep 16 13:21:30 mail postfix/smtpd[2081255]: improper command pipelining after CONNECT from 152.85.156.34.bc.googleusercontent.com[34.156.85.152]: HELP\r\n
Sep 16 13:21:37 mail postfix/smtpd[2081255]: improper command pipelining after CONNECT from 152.85.156.34.bc.googleusercontent.com[34.156.85.152]: \r\n\r\n
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Sep 16 11:07:04 mail postfix/smtpd[2078563]: improper command pipelining after CONNECT from unknown[ ...
show moreSep 16 11:07:04 mail postfix/smtpd[2078563]: improper command pipelining after CONNECT from unknown[147.185.133.116]: HELP\r\n
Sep 16 11:08:03 mail postfix/smtpd[2078572]: improper command pipelining after CONNECT from unknown[147.185.133.116]: HELP\r\n
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