The Let's Encrypt SSL certificate expired today: Certificate chain 0 s:CN = lists.mkgmap.org.uk i:C = US, O = Let's Encrypt, CN = R3 a:PKEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA256 v:NotBefore: Dec 29 03:31:18 2022 GMT; NotAfter: Mar 29 03:31:17 2023 GMT If it was renewed nginx may need to be restarted to use the update cert. Kind Regards, Bas -- GPG Key ID: 4096R/6750F10AE88D4AF1 Fingerprint: 8182 DE41 7056 408D 6146 50D1 6750 F10A E88D 4AF1