Use our own wrapper for mail () on the server side, as mailer is exim.
Construct all subscribers, and letters sent portions, approximately 100 letters per minute, for the crown until you all go. Relazionati php a system is in principle quite simple.
It is noticed that the server load itself is not sending messages, and the incoming stream of letters in response (subscribers — mostly various kinds of entities, and many have an answering machine "thank you, your letter is received," etc.) — this volume of letters processed spamassasin and loads the server. To these to fight just made to the box, which is mail that has not been tested SpamAssassin