smtp发送邮箱个人觉得比php mail函数要实用的多了，mail函数不是随便可以发邮箱的需要进行相关配置哦，下面我们来看一个关于smtp类发送邮箱与问题解决方法。
当你还在纠结php内置的mail()函数不能发送邮件时，那么你现在很幸运，此时的这篇文章可以帮助到你！
php利用smtp类来发邮件真是屡试不爽，我用过很久了，基本上没出过问题。本博客后台，当博主回复留言时候，会自动给网友发一封有新回复提示的邮件也是用的本文这个方法实现的。
smtp类发送邮件的方法其实很简单，也很稳定，类是别人已经写好的了，你只需要调用就行了。几行简单的配置就能发邮件，是不是很期待的试一试呢！
email.class.php文件
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{ /* Public Variables */ var $smtp_port; var $time_out; var $host_name; var $log_file; var $relay_host; var $debug; var $auth; var $user; var $pass; /* Private Variables */ /* Constractor */ function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass) { $this->debug = FALSE; $this->smtp_port = $smtp_port; $this->relay_host = $relay_host; $this->time_out = 30; //is used in fsockopen() $this->auth = $auth;//auth $this->user = $user; $this->pass = $pass; # $this->host_name = "localhost"; //is used in HELO command $this->sock = FALSE; } /* Main Function */ function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "") { $mail_from = $this->get_address($this->strip_comment($from)); $body = ereg_replace("(^|(rn))(.)", "1.3", $body); $header = "MIME-Version:1.0rn"; if($mailtype=="HTML"){ $header .= "Content-Type:text/htmlrn"; } $header .= "To: ".$to."rn"; if ($cc != "") { $header .= "Cc: ".$cc."rn"; } $header .= "From: $from<".$from.">rn"; $header .= "Subject: ".$subject."rn"; $header .= $additional_headers; $header .= "Date: ".date("r")."rn"; $header .= "X-Mailer:By Redhat (PHP/".phpversion().")rn"; list($msec, $sec) = explode(" ", microtime()); $header .= "Message-ID: <".date("YmdHis", $sec).".".($msec*1000000).".".$mail_from.">rn"; $TO = explode(",", $this->strip_comment($to)); if ($cc != "") { $TO = array_merge($TO, explode(",", $this->strip_comment($cc))); } if ($bcc != "") { $TO = array_merge($TO, explode(",", $this->strip_comment($bcc))); } $sent = TRUE; foreach ($TO as $rcpt_to) { $rcpt_to = $this->get_address($rcpt_to); if (!$this->smtp_sockopen($rcpt_to)) { $this->log_write("Error: Cannot send email to ".$rcpt_to."n"); $sent = FALSE; continue; } if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) { $this->log_write("E-mail has been sent to <".$rcpt_to.">n"); } else { $this->log_write("Error: Cannot send email to <".$rcpt_to.">n"); $sent = FALSE; } fclose($this->sock); $this->log_write("Disconnected from remote hostn"); } return $sent; } /* Private Functions */ function smtp_send($helo, $from, $to, $header, $body = "") { if (!$this->smtp_putcmd("HELO", $helo)) { return $this->smtp_error("sending HELO command"); } #auth if($this->auth){ if (!$this->smtp_putcmd("AUTH LOGIN", base64_encode($this->user))) { return $this->smtp_error("sending HELO command"); } if (!$this->smtp_putcmd("", base64_encode($this->pass))) { return $this->smtp_error("sending HELO command"); } } # if (!$this->smtp_putcmd("MAIL", "FROM:<".$from.">")) { return $this->smtp_error("sending MAIL FROM command"); } if (!$this->smtp_putcmd("RCPT", "TO:<".$to.">")) { return $this->smtp_error("sending RCPT TO command"); } if (!$this->smtp_putcmd("DATA")) { return $this->smtp_error("sending DATA command"); } if (!$this->smtp_message($header, $body)) { return $this->smtp_error("sending message"); } if (!$this->smtp_eom()) { return $this->smtp_error("sending <CR><LF>.<CR><LF> [EOM]"); } if (!$this->smtp_putcmd("QUIT")) { return $this->smtp_error("sending QUIT command"); } return TRUE; } function smtp_sockopen($address) { if ($this->relay_host == "") { return $this->smtp_sockopen_mx($address); } else { return $this->smtp_sockopen_relay(); } } function smtp_sockopen_relay() { $this->log_write("Trying to ".$this->relay_host.":".$this->smtp_port."n"); $this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out); if (!($this->sock && $this->smtp_ok())) { $this->log_write("Error: Cannot connenct to relay host ".$this->relay_host."n"); $this->log_write("Error: ".$errstr." (".$errno.")n"); return FALSE; } $this->log_write("Connected to relay host ".$this->relay_host."n"); return TRUE;; } function smtp_sockopen_mx($address) { $domain = ereg_replace("^.+@([^@]+)$", "1", $address); if (!@getmxrr($domain, $MXHOSTS)) { $this->log_write("Error: Cannot resolve MX "".$domain.""n"); return FALSE; } foreach ($MXHOSTS as $host) { $this->log_write("Trying to ".$host.":".$this->smtp_port."n"); $this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out); if (!($this->sock && $this->smtp_ok())) { $this->log_write("Warning: Cannot connect to mx host ".$host."n"); $this->log_write("Error: ".$errstr." (".$errno.")n"); continue; } $this->log_write("Connected to mx host ".$host."n"); return TRUE; } $this->log_write("Error: Cannot connect to any mx hosts (".implode(", ", $MXHOSTS).")n"); return FALSE; } function smtp_message($header, $body) { 您可能想查找下面的文章: | |