PHP Write SMTP mail send class

$smtpserver = "* * * *"; $smtpserverport = 25; $smtpuser = "******"; $smtppass = "*******"; $SMTP = new SMTP ($smtpserver, $smtpserverport, True, $smtpuser, $smtppass); A true in this case is that authentication is used, otherwise it is not used. $smtp->debug = false; $emailtype = "HTML"; for ($i =0; $i <5; $i + +) { $SMTP->sendmail ("* * * *", "******", "Hello world!", "This was only a test!"); } echo "sent a total of $i email! "; ?> Copy Code The following is an implementation of a specific class. Class SMTP { /* 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 */ var $sock; /* Constractor */ function smtp ($relay _host = "", $smtp _port = +, $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->log_file = ""; $this->sock = false; } /* Main Function */ function SendMail ($to, $from, $subject = "", $body = "", $mailtype = "", $CC = "", $BCC = "", $additional _headers = "") { $mail _from = $this->get_address ($this->strip_comment ($from)); $body = Ereg_replace ("(^| ()) (.) "," 1.3 ", $body); $header. = "mime-version:1.0"; if ($mailtype = = "HTML") { $header. = "Content-type:text/html"; } $header. = "To:". $to. " "; if ($cc! = "") { $header. = "Cc:". $CC. " "; } $header. = "From: $from <". $from. ">;"; $header. = "Subject:". $subject. " "; $header. = $additional _headers; $header. = "Date:". Date ("R"). " "; $header. = "X-mailer:by Redhat (php/". Phpversion (). ") "; List ($msec, $sec) = Explode ("", Microtime ()); $header. = "Message-id: <". Date ("Ymdhis", $sec). "." . ($MSEC * 1000000). "." . $mail _from. ">;"; $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. " "); $sent = false; Continue } if ($this->smtp_send ($this->host_name, $mail _from, $rcpt _to, $header, $body)) { $this->log_write ("e-mail has been sent to <". $rcpt _to. ">;"); } else { $this->log_write ("Error:cannot Send email to <". $rcpt _to. ">;"); $sent = false; } Fclose ($this->sock); $this->log_write ("Disconnected from remote host"); } 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 ; ;. ; ; [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. " "); $this->sock = @fsockopen ($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. " "); $this->log_write ("Error:".) $errstr. " (" . $errno. ") "); return false; } $this->log_write ("Connected to relay host". $this->relay_host. " "); return true;; } function Smtp_sockopen_mx ($address) { $domain = Ereg_replace ("^.+@ ([^@]+) $", "1", $address); if (! @getmxrr ($domain, $MXHOSTS)) { $this->log_write ("error:cannot resolve MX" ". $domain. "" "); return false; } foreach ($MXHOSTS as $host) { $this->log_write ("Trying to". $host. ":" . $this->smtp_port. " "); $this->sock = @fsockopen ($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. " "); $this->log_write ("Error:".) $errstr. " (" . $errno. ") "); Continue } $this->log_write ("Connected to MX host". $host. " "); return true; } $this->log_write ("Error:cannot connect to any MX hosts (". Implode (",", $MXHOSTS). "); return false; } function Smtp_message ($header, $body) { Fputs ($this->sock, $header. " " . $body); $this->smtp_debug (">;". Str_replace ("", "". " >; ", $header." >; " . $body. ">;")); return true; } function Smtp_eom () { Fputs ($this->sock, "."); $this->smtp_debug (". [EOM] "); return $this->SMTP_OK (); } function Smtp_ok () { $response = Str_replace ("", "", Fgets ($this->sock, 512)); $this->smtp_debug ($response. " "); if (!ereg ("^[23]", $response)) { Fputs ($this->sock, "QUIT"); Fgets ($this->sock, 512); $this->log_write ("Error:remote host returned" ". $response. "" "); return false; } return true; } function Smtp_putcmd ($cmd, $arg = "") { if ($arg! = "") { if ($cmd = = "") $cmd = $arg; else $cmd = $cmd. " " . $arg; } Fputs ($this->sock, $cmd. " "); $this->smtp_debug (">;". $cmd. " "); return $this->SMTP_OK (); } function Smtp_error ($string) { $this->log_write ("Error:error occurred while". $string. ". "); return false; } function Log_write ($message) { $this->smtp_debug ($message); if ($this->log_file = = "") { return true; } $message = Date ("M D h:i:s"). Get_current_user (). "[" . Getmypid (). "]: " . $message; if (! @file_exists ($this->log_file) | |! ( $fp = @fopen ($this->log_file, "a")) { $this->smtp_debug ("Warning:cannot open log File". $this->log_file. "" "); return false;; } Flock ($FP, LOCK_EX); Fputs ($fp, $message); Fclose ($FP); return true; } function Strip_comment ($address) { $comment = "([^ ()]*)"; while (Ereg ($comment, $address)) { $address = ereg_replace ($comment, "", $address); } return $address; } function Get_address ($address) { $address = Ereg_replace ("([]) +", "", $address); $address = Ereg_replace ("^.*< (. +)";;. *$ "," 1 ", $address); return $address; } function Smtp_debug ($message) { if ($this->debug) { Echo $message. ";"; } } } ?> Copy Code

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