ServerName mail.example.com:443 ServerAdmin webmaster@example.com DocumentRoot /home/webmaster/public_websites/mail.example.com/ Include conf-available/local-tls.conf Include conf.d/local-php.conf Include conf.d/local-horde3.conf ErrorLog ${APACHE_LOG_DIR}/mail.example.com-error.log CustomLog ${APACHE_LOG_DIR}/mail.example.com-access.log combined ServerName www.mail.example.com:443 ServerName *.mail.example.com:443 ServerName mail:443 ServerName *.mail:443 Include conf-available/local-tls.conf RewriteEngine On RewriteRule / https://mail.example.com/ [R] # RewriteRule /(.*) https://mail.example.com/$1 [R] CustomLog ${APACHE_LOG_DIR}/redirect.log vhost_combined ServerName mail.example.com ServerAlias *.mail.example.com ServerAlias mail ServerAlias *.mail RewriteEngine On RewriteRule / https://mail.example.com/ [R] # RewriteRule /(.*) https://mail.example.com/$1 [R] CustomLog ${APACHE_LOG_DIR}/redirect.log vhost_combined