php发送邮件类

 _smtp = $value;
    }
	public function setUser($value) {
		$this->_user = base64_encode($value);
	}
	public function setPassword($value) {
		$this->_password = base64_encode($value);
	}
    public function setFrom($value) {
        $this->_from = base64_encode($value);
    }
    public function setTo($value) {
        $this->_to = $value;
    }
	public function setToNickname($value) {
		$this->_toNickname = base64_encode($value);
	}
    public function setSubject($value) {
        $this->_subject = base64_encode($value);
    }
	public function setData($value) {
		$this->_data = $value;
	}
	public function setCharset($value) {
		$this->_charset = $value;
	}
	public function setMime($value) {
		switch($value) {
			case 1:
				$this->_type = 'text/plain';
				break;
			case 2:
				$this->_type = 'text/html';
				break;
		}
	}
    public function send() {
		$fp = $this->_sock();
		$from = base64_decode($this->_user).'@'.substr($this->_smtp, 5);
		$content = "MIME-Version:1.0\r\n";
		$content .= "Content-type:$this->_type;charset=$this->_charset\r\n"; 
		$content .= "from:=?$this->_charset?B?$this->_from?=<$from>\r\n";
		$content .= "to:=?$this->_charset?B?$this->_toNickname?=<$this->_to>\r\n";
		$content .= "subject:=?$this->_charset?B?$this->_subject?=\r\n";
		$content .= "\r\n";
		$content .= $this->_data;
		$content .= "\r\n.\r\n";
		if(false == $fp) {
			return false;
		} elseif(false == $this->_cmd($fp, "HELO $this->_smtp\r\n", '250')) {
			return false;
		} elseif(false == $this->_cmd($fp, "auth login\r\n", '334')) {
			return false;
		} elseif(false == $this->_cmd($fp, "$this->_user\r\n", '334')) {
			return false;
		} elseif(false == $this->_cmd($fp, "$this->_password\r\n", '235')) {
			return false;
		} elseif(false == $this->_cmd($fp, "MAIL FROM:<$from>\r\n", '250')) {
			return false;
		} elseif(false == $this->_cmd($fp, "RCPT TO:<$this->_to>\r\n", '250')) {
			return false;
		} elseif(false == $this->_cmd($fp, "DATA\r\n", '354')) {
			return false;
		} elseif(false == $this->_cmd($fp, $content, '250')) {
			echo 'error';
			return false;
		} elseif(false == $this->_cmd($fp, "QUIT\r\n", '221')) {
			return false;
		} else {
			return true;
		}
    }
	private function _sock() {
		$fp = fsockopen($this->_smtp, $this->_port);
		$response = fgets($fp);
		if (false != strstr($response, '220')) {
			return $fp;
		} else {
			return false;
		}
	}
	private function _cmd($handle, $cmd, $status) {
		fputs($handle, $cmd);
		$response = fgets($handle);
		if (false != strstr($response, $status)) {
			return true;
		} else {
			return false;
		}
	}
}
//eg
//$m = new Smtp();
//$m->setSmtp(服务器地址);
//$m->setUser(用户名);
//$m->setPassword(密码);
//$m->setFrom(发件人昵称);//部分服务器生效
//$m->setTo(收件人邮箱);
//$m->setToNickname(收件人昵称);//部分服务器生效
//$m->setSubject(主题);
//$m->setData(内容);
//$m->send();
//eg end
?>