Understand Logs

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1

can you please help me to understand the below logs

Jan 19 23:14:48 ip-10-4-1-71 kumod[16920]: 2024-01-19T17:44:48.512551Z DEBUG localset-3 run{socket=PollEvented { io: Some(TcpStream { addr: 127.0.0.1:587, peer: 127.0.0.1:45578, fd: 80 }) }}:process: kumod::smtp_server: check_relaying: sender=custd.pinchappmails.com recip=gmail.com relay_to_allowed=None relay_hosts_allowed=true relay_from_allowed=false → log_arf=false log_oob=false relay=true
Jan 19 23:14:48 ip-10-4-1-71 kumod[16920]: 2024-01-19T17:44:48.512713Z DEBUG localset-3 run{socket=PollEvented { io: Some(TcpStream { addr: 127.0.0.1:587, peer: 127.0.0.1:45578, fd: 80 }) }}:process: kumod::smtp_server: check_relaying: sender=custd.pinchappmails.com recip=gmail.com relay_to_allowed=None relay_hosts_allowed=true relay_from_allowed=false → log_arf=false log_oob=false relay=true
Jan 19 23:14:48 ip-10-4-1-71 kumod[16920]: 2024-01-19T17:44:48.513535Z DEBUG localset-3 run{socket=PollEvented { io: Some(TcpStream { addr: 127.0.0.1:587, peer: 127.0.0.1:45578, fd: 80 }) }}:process: kumod::smtp_server: check_relaying: sender=custd.pinchappmails.com recip=gmail.com relay_to_allowed=None relay_hosts_allowed=true relay_from_allowed=false → log_arf=false log_oob=false relay=true
Jan 19 23:14:48 ip-10-4-1-71 kumod[16920]: 2024-01-19T17:44:48.513716Z DEBUG localset-3 run{socket=PollEvented { io: Some(TcpStream { addr: 127.0.0.1:587, peer: 127.0.0.1:45578, fd: 80 }) }}:process: kumod::smtp_server: check_relaying: sender=custd.pinchappmails.com recip=gmail.com relay_to_allowed=None relay_hosts_allowed=true relay_from_allowed=false → log_arf=false log_oob=false relay=true

2

Sure.
This appears to be 4 identical copies of the same log line, or exactly the same thing happened 4 times in the same second - either is possible.

On Jan 19 at 23:14:48 ip-10-4-1-71 running kumod evaluated an inbound message on port 587 and ran the process to check if relaying was permitted.

sender=custd.pinchappmails.com with recip=gmail.com eas allowed becuase “relay_hosts_allowed=true”, probably becuase you injected from Localhost to localhost.

3

ok

4

thanks