SMTP connect() failed phpmailer

问题

                require 'PHPMailer-master/PHPMailerAutoload.php';
                $mail = new PHPMailer();

                $mail->SMTPDebug = 1;                               // Enable verbose debug output

                $mail->isSMTP();                                      // Set mailer to use SMTP
                $mail->Host = 'smtp.mail.yahoo.com';  // Specify main and backup SMTP servers
                $mail->SMTPSecure = "ssl";
                $mail->SMTPAuth = true;                               // Enable SMTP authentication
                $mail->Username = 'myemail';                 // SMTP username
                $mail->Password = 'mypass';                           // SMTP password
            //  $mail->SMTPSecure = 'tls';                            // Enable TLS encryption, `ssl` also accepted
                $mail->Port = 465;                                    // TCP port to connect to

                $mail->From = 'myemail@yahoo.com';
                $mail->FromName = 'abc';
                $mail->addAddress('abc@abc.com');               // Name is optional


                //$mail->isHTML(true);                                  // Set email format to HTML

                $mail->Subject = 'Here is the subject';
                $mail->Body    = 'This is the HTML message body <b>in bold!</b>';
            //  $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';

                if(!$mail->send()) {
                    echo 'Message could not be sent.';
                    echo 'Mailer Error: ' . $mail->ErrorInfo;
                } else {
                    echo 'Message has been sent';
                }

I have tried gmail also but it keeps giving me error SMTP connect() failed.

here is the error

2015-05-16 07:28:09 CLIENT -> SERVER: EHLO localhost 
2015-05-16 07:28:09 CLIENT -> SERVER: AUTH LOGIN
2015-05-16 07:28:10 CLIENT -> SERVER: bWF0ZWVuX3VsX2hhcUB5YWhvby5jb20=
2015-05-16 07:28:10 CLIENT -> SERVER: c2hhaGlkYWZyaWRpMW1hcmNoMTk5MQ== 
2015-05-16 07:28:11 SMTP ERROR: Password command failed: 501 Syntax error in arguments
2015-05-16 07:28:11 SMTP Error: Could not authenticate. 
2015-05-16 07:28:11 CLIENT -> SERVER: QUIT 
2015-05-16 07:28:11 SMTP connect() failed.

https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting

Message could not be sent.

Mailer Error: SMTP connect() failed.

回答1:

You should really read what the troubleshooting guide says - that's why the link to it is included in the error output. Set SMTPDebug = 2 so you can see what the server says and it will probably tell you what's wrong.

来源：https://stackoverflow.com/questions/30476024/smtp-connect-failed-phpmailer

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php

phpmailer