PHP实现支持SSL连接的SMTP邮件发送类

本文实例讲述了PHP实现支持SSL连接的SMTP邮件发送类。分享给大家供大家参考。具体如下：

该实例代码测试过了gmail和QQ邮箱的SMTP。具体代码如下： 代码如下:setServer("smtp@126.com","XXXXX@126.com","XXXXX"); //设置smtp服务器，普通连接方式 * $mail->setServer("smtp.gmail.com","XXXXX@gmail.com","XXXXX",465,true); //设置smtp服务器，到服务器的SSL连接 * $mail->setFrom("XXXXX"); //设置发件人 * $mail->setReceiver("XXXXX"); //设置收件人，多个收件人，调用多次 * $mail->setCc("XXXX"); //设置抄送，多个抄送，调用多次 * $mail->setBcc("XXXXX"); //设置秘密抄送，多个秘密抄送，调用多次 * $mail->addAttachment("XXXX"); //添加附件，多个附件，调用多次 * $mail->setMail("test","test"); //设置邮件主题、内容 * $mail->sendMail(); //发送 */ class MySendMail { /** * @var string 邮件传输代理用户名 * @access protected */ protected $_userName; /** * @var string 邮件传输代理密码 * @access protected */ protected $_password; /** * @var string 邮件传输代理服务器地址 * @access protected */ protected $_sendServer; /** * @var int 邮件传输代理服务器端口 * @access protected */ protected $_port; /** * @var string 发件人 * @access protected */ protected $_from; /** * @var array 收件人 * @access protected */ protected $_to = array(); /** * @var array 抄送 * @access protected */ protected $_cc = array(); /** * @var array 秘密抄送 * @access protected */ protected $_bcc = array(); /** * @var string 主题 * @access protected */ protected $_subject; /** * @var string 邮件正文 * @access protected */ protected $_body; /** * @var array 附件 * @access protected */ protected $_attachment = array(); /** * @var reource socket资源 * @access protected */ protected $_socket; /** * @var reource 是否是安全连接 * @access protected */ protected $_isSecurity; /** * @var string 错误信息 * @access protected */ protected $_errorMessage; /** * 设置邮件传输代理，如果是可以匿名发送有邮件的服务器，只需传递代理服务器地址就行 * @access public * @param string $server 代理服务器的ip或者域名 * @param string $username 认证账号 * @param string $password 认证密码 * @param int $port 代理服务器的端口，smtp默认25号端口 * @param boolean $isSecurity 到服务器的连接是否为安全连接，默认false * @return boolean */ public function setServer($server,$username="",$password="",$port=25,$isSecurity=false) { $this->_sendServer = $server; $this->_port = $port; $this->_isSecurity = $isSecurity; $this->_userName = empty($username) ? "" : base64_encode($username); $this->_password = empty($password) ? "" : base64_encode($password); return true; } /** * 设置发件人 * @access public * @param string $from 发件人地址 * @return boolean */ public function setFrom($from) { $this->_from = $from; return true; } /** * 设置收件人，多个收件人，调用多次. * @access public * @param string $to 收件人地址 * @return boolean */ public function setReceiver($to) { $this->_to[] = $to; return true; } /** * 设置抄送，多个抄送，调用多次. * @access public * @param string $cc 抄送地址 * @return boolean */ public function setCc($cc) { $this->_cc[] = $cc; return true; } /** * 设置秘密抄送，多个秘密抄送，调用多次 * @access public * @param string $bcc 秘密抄送地址 * @return boolean */ public function setBcc($bcc) { $this->_bcc[] = $bcc; return true; } /** * 设置邮件附件，多个附件，调用多次 * @access public * @param string $file 文件地址 * @return boolean */ public function addAttachment($file) { if(!file_exists($file)) { $this->_errorMessage = "file " . $file . " does not exist."; return false; } $this->_attachment[] = $file; return true; } /** * 设置邮件信息 * @access public * @param string $body 邮件主题 * @param string $subject 邮件主体内容，可以是纯文本，也可是是HTML文本 * @return boolean */ public function setMail($subject,$body) { $this->_subject = base64_encode($subject); $this->_body = base64_encode($body); return true; } /** * 发送邮件 * @access public * @return boolean */ public function sendMail() { $command = $this->getCommand(); $this->_isSecurity ? $this->socketSecurity() : $this->socket(); foreach ($command as $value) { $result = $this->_isSecurity ? $this->sendCommandSecurity($value[0],$value[1]) : $this->sendCommand($value[0],$value[1]); if($result) { continue; } else{ return false; } } //其实这里也没必要关闭，smtp命令：QUIT发出之后，服务器就关闭了连接，本地的socket资源会自动释放 $this->_isSecurity ? $this->closeSecutity() : $this->close(); return true; } /** * 返回错误信息 * @return string */ public function error(){ if(!isset($this->_errorMessage)) { $this->_errorMessage = ""; } return $this->_errorMessage; } /** * 返回mail命令 * @access protected * @return array */ protected function getCommand() { $separator = "----=_Part_" . md5($this->_from . time()) . uniqid(); //分隔符 $command = array( array("HELO sendmailrn",250) ); if(!empty($this->_userName)){ $command[] = array("AUTH LOGINrn",334); $command[] = array($this->_userName . "rn",334); $command[] = array($this->_password . "rn",235); } //设置发件人 $command[] = array("MAIL FROM: <" . $this->_from . ">rn",250); $header = "FROM: <" . $this->_from . ">rn"; //设置收件人 if(!empty($this->_to)) { $count = count($this->_to); if($count == 1){ $command[] = array("RCPT TO: <" . $this->_to[0] . ">rn",250); $header .= "TO: <" . $this->_to[0] .">rn"; } else{ for($i=0; $i<$count; $i++){ $command[] = array("RCPT TO: <" . $this->_to[$i] . ">rn",250); if($i == 0){ $header .= "TO: <" . $this->_to[$i] .">"; } elseif($i + 1 == $count){ $header .= ",<" . $this->_to[$i] .">rn"; } else{ $header .= ",<" . $this->_to[$i] .">"; } } } } //设置抄送 if(!empty($this->_cc)) { $count = count($this->_cc); if($count == 1){ $command[] = array("RCPT TO: <" . $this->_cc[0] . ">rn",250); $header .= "CC: <" . $this->_cc[0] .">rn"; } else{ for($i=0; $i<$count; $i++){ $command[] = array("RCPT TO: <" . $this->_cc[$i] . ">rn",250); if($i == 0){ $header .= "CC: <" . $this->_cc[$i] .">"; } elseif($i + 1 == $count){ $header .= ",<" . $this->_cc[$i] .">rn"; } else{ $header .= ",<" . $this->_cc[$i] .">"; } } } } //设置秘密抄送 if(!empty($this->_bcc)) { $count = count($this->_bcc); if($count == 1) { $command[] = array("RCPT TO: <" . $this->_bcc[0] . ">rn",250); $header .= "BCC: <" . $this->_bcc[0] .">rn"; } else{ for($i=0; $i<$count; $i++){ $command[] = array("RCPT TO: <" . $this->_bcc[$i] . ">rn",250); if($i == 0){ $header .= "BCC: <" . $this->_bcc[$i] .">"; } elseif($i + 1 == $count){ $header .= ",<" . $this->_bcc[$i] .">rn"; } else{ $header .= ",<" . $this->_bcc[$i] .">"; } } } } //主题 $header .= "Subject: =?UTF-8?B?" . $this->_subject ."?=rn"; if(isset($this->_attachment)) { //含有附件的邮件头需要声明成这个 $header .= "Content-Type: multipart/mixed;rn"; } elseif(false){ //邮件体含有图片资源的,且包含的图片在邮件内部时声明成这个，如果是引用的远程图片，就不需要了 $header .= "Content-Type: multipart/related;rn"; } else{ //html或者纯文本的邮件声明成这个 $header .= "Content-Type: multipart/alternative;rn"; } //邮件头分隔符 $header .= "t" . 'boundary="' . $separator . '"'; $header .= "rnMIME-Version: 1.0rn"; //这里开始是邮件的body部分，body部分分成几段发送 $header .= "rn--" . $separator . "rn"; $header .= "Content-Type:text/html; charset=utf-8rn"; $header .= "Content-Transfer-Encoding: base64rnrn"; $header .= $this->_body . "rn"; $header .= "--" . $separator . "rn"; //加入附件 if(!empty($this->_attachment)){ $count = count($this->_attachment); for($i=0; $i<$count; $i++){ $header .= "rn--" . $separator . "rn"; $header .= "Content-Type: " . $this->getMIMEType($this->_attachment[$i]) . '; name="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "rn"; $header .= "Content-Transfer-Encoding: base64rn"; $header .= 'Content-Disposition: attachment; filename="=?UTF-8?B?' . base64_encode( basename($this->_attachment[$i]) ) . '?="' . "rn"; $header .= "rn"; $header .= $this->readFile($this->_attachment[$i]); $header .= "rn--" . $separator . "rn"; } } //结束邮件数据发送 $header .= "rn.rn";

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