Procedura per invio mail

[iceberg]

Ciao a tutti ho un form PHP, come posso inviare il form tramite mail?

<form id="contact-form" method="post" class="main-contacts">
                                                <fieldset>
                                                    <input type="hidden" name="owner_email" id="owner_email" value="support@guardlex.com" />
                                                    <input type="hidden" name="serverProcessorType" id="serverProcessorType" value="php" />
                                                    <input type="hidden" name="smtpMailServer" id="smtpMailServer" value="localhost" />
                                                    <input type="hidden" name="stripHTML" id="stripHTML" value="true" />
                
                                                    <div class="rowElem">
                                                        <div class="bg">
                                                            <input type="text"  name="name" id="name" value="Nome:"  onblur="if(this.value=='') this.value='Nome:'" onFocus="if(this.value ==Nome:' ) this.value=''" >
                                                        </div>
                                                        <label class="error" for="name" id="name_error">*Campo obbligatorio!</label>
                                                        <label class="error" for="name" id="name_error2">*This is not a valid name.</label>
                                                    </div>
                                                    <div class="rowElem">
                                                        <div class="bg">
                                                            <input type="text"  name="email" id="email"  value="Indirizzo mail:"  onblur="if(this.value=='') this.value='Indirizzo mail:'" onFocus="if(this.value =='Indirizzo mail:' ) this.value=''">
                                                        </div>
                                                        <label class="error" for="email" id="email_error">*Campo obbligatorio!</label>
                                                        <label class="error" for="email" id="email_error2">*This is not a valid email address.</label>
                                                    </div>
                                                    <div class="rowElem">
                                                        <div class="bg">
                                                            <input type="text" name="phone" id="phone" value="Numero di telefono:"  onblur="if(this.value=='') this.value='Numero di telefono:'" onFocus="if(this.value =='Numero di telefono:' ) this.value=''" >
                                                        </div>
                                                        <label class="error" for="phone" id="phone_error">*Campo obbligatorio!</label>
                                                        <label class="error" for="phone" id="phone_error2">*This is not a valid phone number.</label>
                                                    </div>
                                                    <div class="textarea-box">
                                                        <div class="bg">
                                                            <textarea cols="1" rows="1" name="message" id="message" onBlur="if(this.value=='') this.value='Messaggio:'" onFocus="if(this.value =='Messaggio:' ) this.value=''"  >Messaggio:</textarea>
                                                        </div>
                                                        <label class="error" for="message" id="message_error">*Campo obbligatorio!</label>
                                                        <label class="error" for="message" id="message_error2">*The message is too short.</label>
                                                    </div>
                                            

[url="#"]<span></span>[b]Invia[/b][/url]
                                                </fieldset>
                                            </form>