Wordpress uses PHP's internal sendmail functionality and silently misses to send mails if this funtionality isn't enabled

wordpress/wordpress.spec

@@ -50,6 +50,7 @@ PreReq:       apache
 PreReq:       apache::with_mod_php = yes
 PreReq:       apache::with_mod_php_mysql = yes
 PreReq:       apache::with_mod_php_pcre = yes
+PreReq:       apache::with_mod_php_sendmail = yes
 AutoReq:      no
 AutoReqProv:  no