1) You'll need to setup the virtualhost for apache. Â This can be accomplished by adding a 2nd virtualhost along side the domains main one.
cd /usr/local/directadmin/data/templates
cp virtual_host.conf custom
cd custom
|?DOCROOT=`HOME`/domains/`DOMAIN`/public_html|
|?OPEN_BASEDIR_PATH=`HOME`/:/tmp:/usr/local/lib/php/|
<VirtualHost |IP|:80>
|CUSTOM|
|?CGI=ScriptAlias /cgi-bin/ `DOCROOT`/cgi-bin/|
ServerName www.|DOMAIN|
ServerAlias www.|DOMAIN| |DOMAIN| |SERVER_ALIASES|
ServerAdmin |ADMIN|
DocumentRoot |DOCROOT|
|CGI|
|USECANONICALNAME|
User |USER|
Group |GROUP|
CustomLog /var/log/httpd/domains/|DOMAIN|.bytes bytes
CustomLog /var/log/httpd/domains/|DOMAIN|.log combined
ErrorLog /var/log/httpd/domains/|DOMAIN|.error.log
<Directory |DOCROOT|>
Options +Includes -Indexes
php_admin_flag engine |PHP|
php_admin_flag safe_mode |SAFE_MODE|
php_admin_value sendmail_path '/usr/sbin/sendmail -t -i -f |USER|@|DOMAIN|'
|*if OPEN_BASEDIR="ON"|
php_admin_value open_basedir |OPEN_BASEDIR_PATH|
|*endif|
</Directory>
|HANDLERS|
|MIMETYPES|
</VirtualHost>
<VirtualHost |IP|:80>
ServerName webmail.|DOMAIN|
ServerAdmin |ADMIN|
DocumentRoot /var/www/html/squirrelmail
CustomLog /var/log/httpd/domains/|DOMAIN|.bytes bytes
CustomLog /var/log/httpd/domains/|DOMAIN|.log combined
ErrorLog /var/log/httpd/domains/|DOMAIN|.error.log
</VirtualHost>
echo "action=rewrite&value=httpd" >> /usr/local/directadmin/data/task.queue
/usr/local/directadmin/dataskq d
2) You'll also need to setup the dns portition.
cd /usr/local/directadmin/data/templates
cp dns_a.conf custom
cd custom
echo "webmail=|IP|" >> dns_a.conf