Hello, Is it possible to set mail.log for recording sasl login usernames?
May 29 06:52:45 mx postfix/smtps/smtpd[3022855]: warning: unknown[138.185.193.64]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:52:57 mx postfix/smtpd[3023133]: warning: unknown[49.156.148.93]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:53:03 mx postfix/smtps/smtpd[3022864]: warning: unknown[167.179.45.182]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:53:07 mx postfix/smtps/smtpd[3022912]: warning: unknown[165.227.46.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:53:08 mx postfix/smtps/smtpd[3022901]: warning: unknown[112.199.181.114]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:53:12 mx postfix/smtpd[3023133]: warning: unknown[58.23.17.120]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:53:14 mx postfix/smtps/smtpd[3022912]: warning: unknown[165.227.46.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6 May 29 06:53:19 mx postfix/smtps/smtpd[3022869]: warning: unknown[58.174.79.124]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
For example, for the failed login events above, I want to know what usernames they happened on.
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