2026/02/19 00:41:44 [error] 990#990: *104419 open() "/data/letsencrypt-acme-challenge/.well-known/acme-challenge/601013513494" failed (2: No such file or directory), client: 222.117.41.51, server: mail.hanmocnn.co.kr, request: "GET /.well-known/acme-challenge/601013513494 HTTP/1.1", host: "mail.hanmocnn.co.kr"
2026/02/19 01:42:14 [error] 991#991: *107643 open() "/data/letsencrypt-acme-challenge/.well-known/acme-challenge/202062540623129" failed (2: No such file or directory), client: 222.117.41.51, server: mail.hanmocnn.co.kr, request: "GET /.well-known/acme-challenge/202062540623129 HTTP/1.1", host: "mail.hanmocnn.co.kr"
2026/02/19 02:42:39 [error] 990#990: *107888 open() "/data/letsencrypt-acme-challenge/.well-known/acme-challenge/94071660517770" failed (2: No such file or directory), client: 222.117.41.51, server: mail.hanmocnn.co.kr, request: "GET /.well-known/acme-challenge/94071660517770 HTTP/1.1", host: "mail.hanmocnn.co.kr"
2026/02/19 03:43:01 [error] 992#992: *108173 open() "/data/letsencrypt-acme-challenge/.well-known/acme-challenge/3119059711509" failed (2: No such file or directory), client: 222.117.41.51, server: mail.hanmocnn.co.kr, request: "GET /.well-known/acme-challenge/3119059711509 HTTP/1.1", host: "mail.hanmocnn.co.kr"