How to configure SMTP to send mail under Linux

Include_once ("class.phpmailer.php"); /** * Define Message Module configuration information */ Define ("Smtp_host", "smtp.mail.yahoo.com"); SMTP Host Define ("Smtp_mail", "XXXX@yahoo.cn"); SMTP User Email Define ("Smtp_pass", "XXXX"); The password used for SMTP Define ("Service_mail", "XXXX@yahoo.cn"); SMTP User Email Define ("Service_Name", "Phpbook Mail Test"); The name used for SMTP /** * Use Phpmailer Email module * * @param string $email * @param string $user * @param string $subject * @param string $body * @return BOOL */ function SendMail ($email, $user, $subject, $body) { $mail = new Phpmailer (); $this; $mail->issmtp (); Set up to use SMTP $mail->host = smtp_host; Set the SMTP server address $mail->smtpauth = true; Turn on SMTP permission validation $mail->username = Smtp_mail; SMTP User Name $mail->password = Smtp_pass; SMTP Server Password $mail->from = Service_mail; Set Sender Address $mail->fromname = service_name; Set Sender Name $mail->addaddress ($email, $user); Add recipient Address $mail->addreplyto (Service_mail, service_name); Set Reply Address $mail->wordwrap = 50; Set display format $mail->ishtml (TRUE); Set up mail support HTML $mail->subject = $subject; $mail->body = $body; $mail->altbody = ""; Text type of message if (! $mail->send ()) { return $mail->errorinfo; } return true; } Start sending test message Ng:fsockopen () [Function.fsockopen]: php_network_getaddresses:getaddrinfo failed:name or service not known I N/var/www/xiehui/admin/mail/class.smtp.php on line 89 $tomail = "XXXX@126.com"; $user = "Xxxxlinux"; $_mailsubject = "Mail test sample!"; Message header Group to users $_mailbody = "Sina net"; Mail Content Group SendMail ($tomail, $user, $_mailsubject,$_mailbody); ?> Copy Code The experiment proves that the SMTP of Yahoo is very easy to use, so-called Sina actually does not use, I stuck in a good long time. method Four , give the socket written by the program to use the socket to send mail package class: Class sendmail{ var $lastmessage; Record the last returned response information var $lastact; The last action, the string form var $welcome; Use behind helo, welcome user var $debug; Whether to display debug information var $smtp; SMTP server var $port; SMTP port number var $fp; Socket handle Send mail function function Send_mail ($smtp, $welcome = "", $debug =false) { if (empty ($SMTP)) Die ("SMTP cannot be empty!") "); $this->smtp= $smtp; if (empty ($welcome)) { $this->welcome=gethostbyaddr ("localhost"); }else $this->welcome= $welcome; $this->debug= $debug; $this->lastmessage= ""; $this->lastact= ""; $this->port= "25"; } Display Debug Information function Show_debug ($message, $inout) { if ($this->debug) { if ($inout = = "in") {//Response information $m = ' << '; }else $m = ' >> '; if (!ereg ("\n$", $message)) $message. = " "; $message =nl2br ($message); echo "${m}${message}"; } } Execute the passed command function Do_command ($command, $code) { $this->lastact= $command; $this->show_debug ($this->lastact, "out"); Fputs ($this->fp, $this->lastact); $this->lastmessage = fgets ($this->FP, 512); $this->show_debug ($this->lastmessage, "in"); if (!ereg ("^ $code", $this->lastmessage)) return false; Else return true; } Mail delivery processing function Send ($to, $from, $subject, $message) { Connecting to a server $this->lastact= "Connect"; $this->show_debug ("Connect to SMTP server:". $this->smtp, "out"); $this->FP = Fsockopen ($this->smtp, $this->port); if ($this->fp) { $this->set_socket_blocking ($this->fp, true); $this->lastmessage=fgets ($this->fp,512); $this->show_debug ($this->lastmessage, "in"); if (! Ereg ("^220", $this->lastmessage)) { return false; }else{ $this->lastact= "HELO". $this->welcome. "\ n"; if (! $this->do_command ($this->lastact, "250")) { Fclose ($this->FP); return false; } $this->lastact= "MAIL from: $from". "\ n"; if (! $this->do_command ($this->lastact, "250")) { Fclose ($this->FP); return false; } $this->lastact= "RCPT to: $to". "\ n"; if (! $this->do_command ($this->lastact, "250")) { Fclose ($this->FP); return false; } Start sending message body $this->lastact= "data\n"; if (! $this->do_command ($this->lastact, "354")) { Fclose ($this->FP); return false; } Start Processing Message topic header $head = "Subject: $subject \ n"; if (!empty ($subject) &&!ereg ($head, $message)) { $message = $head. $message; } Start processing messages from header $head = "From: $from \ n"; if (!empty ($from) &&!ereg ($head, $message)) { $message = $head. $message; } Start processing mail to Header $head = "to: $to \ n"; if (!empty ($to) &&!ereg ($head, $message)) { $message = $head. $message; } Processing End String if (!ereg ("\n\.\n", $message)) $message. = "\n.\n"; $this->show_debug ($message, "out"); Fputs ($this->fp, $message); $this->lastact= "quit\n"; if (! $this->do_command ($this->lastact, "250")) { Fclose ($this->FP); return false; } } return true; }else{ $this->show_debug ("Connection Failed!!", "in"); return false; } } } ?> Copy Code Example of sending a message using the socket: Include ("./sendmail.class.php"); $mail = new SendMail (); $email = "Hello, this is a test mail!" "; $sendmail = new Send_mail ("smtp.mail.126.com", "Phpbook", true); Display information if ($mail->send ("XXXX@126.com", "XXXX@126.com", "Test socket Mail", $email)) { echo "sent successfully! "; }else{ echo "Send failed! "; } ?> Copy Code

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