2026-02-24 12:25:30 , new LEClient error: Curl error: Failed to connect to acme-v02.api.letsencrypt.org port 443: Connection refused
更換 UMail WAN DNS 設定試試
1.1.1.1
168.95.1.1
8.8.8.8
8.8.4.4
new LEClient error. Curt error. Faito connect to acrne-v02 apiletsencypt.org port 443: Connection timed out
DNS 查詢有問題
或是線路有問題
連不到主機 acrne-v02 apiletsencypt.org port 443
或是前有防火牆阻擋
或是資安艦隊阻擋