It sends them via usual PHP function mail() — so, sendmail must be enabled on your server.
In our spam era also, many providers may block automated messages, if they consider them as spam or bulk. Unfortunatelly, there is no solution against that... either we fight spam and kill important messages, too; either we receive important messages amongst other sh*t.
If an automated message is not received, check bulk/spam folders in yout mailbox — in most cases, messages are went there... you should force your email to exclude such messages from blacklisting manually. |