### Nginx Let's Encrypt will follow our rewrite, certificate requests will work fine. **Take care of highlighted lines.** ``` hl_lines="4 10 12 13 25 39" server { listen 80 default_server; listen [::]:80 default_server; server_name CHANGE_TO_MAILCOW_HOSTNAME autodiscover.* autoconfig.*; return 301 https://$host$request_uri; } server { listen 443 ssl http2; listen [::]:443 ssl http2; server_name CHANGE_TO_MAILCOW_HOSTNAME autodiscover.* autoconfig.*; ssl_certificate MAILCOW_PATH/data/assets/ssl/cert.pem; ssl_certificate_key MAILCOW_PATH/data/assets/ssl/key.pem; ssl_session_timeout 1d; ssl_session_cache shared:SSL:50m; ssl_session_tickets off; # See https://ssl-config.mozilla.org/#server=nginx for the latest ssl settings recommendations # An example config is given below ssl_protocols TLSv1.2; ssl_ciphers HIGH:!aNULL:!MD5:!SHA1:!kRSA; ssl_prefer_server_ciphers off; location /Microsoft-Server-ActiveSync { proxy_pass http://127.0.0.1:8080/Microsoft-Server-ActiveSync; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; proxy_connect_timeout 75; proxy_send_timeout 3650; proxy_read_timeout 3650; proxy_buffers 64 512k; # Needed since the 2022-04 Update for SOGo client_body_buffer_size 512k; client_max_body_size 0; } location / { proxy_pass http://127.0.0.1:8080/; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-Forwarded-Proto $scheme; client_max_body_size 0; # The following Proxy Buffers has to be set if you want to use SOGo after the 2022-04 (April 2022) Update # Otherwise a Login will fail like this: https://github.com/mailcow/mailcow-dockerized/issues/4537 proxy_buffer_size 128k; proxy_buffers 64 512k; proxy_busy_buffers_size 512k; } } ```