SMTP Error: Could not authenticate. phpmailer - php

Question

I am trying to send mail using phpmailer but I found that error, My username and password is perfect and also password doesn't contain any special character.
error showing: SMTP Error: Could not authenticate. phpmailer
//------------------------- Mail to company section -----------------
$to='realbantimadrid#gmail.com';
$sender=$_POST['guest_name'];
$mail_id=$_POST['guest_mail'];
$cont_no=$_POST['guest_cont'];
$company=$_POST['guest_comp'];
$msg_txt=$_POST['guest_msg'];
if($sender== '' || $mail_id== '' || $cont_no== '' || $company== '' || $msg_txt== ''){
echo "check the fields";
}else{
$subject='Query from '.$sender;
$message='Dear Sir,<br><br>'.$msg_txt.'<br><br>From: '.$sender.'<br>Contact: '.$cont_no.'<br>Company Name: '.$company;
//---------------------------------- SMTP Authenticated Mail coding --------------------------
include "smtpmail/library.php"; // include the library file
include "smtpmail/classes/class.phpmailer.php"; // include the class name
$email = $to;
$mail = new PHPMailer; // call the class
$mail->IsSMTP();
$mail->SMTPAuth = true;
$mail->SMTPSecure = "ssl";
$mail->Host = "smtp.gmail.com"; //Hostname of the mail server
$mail->Port = 465; //Port of the SMTP like to be 25, 80, 465 or 587
$mail->Username = "mailid#gmail.com"; //Username for SMTP authentication any valid email created in your domain
$mail->Password = "password"; //Password for SMTP authentication
$mail->AddReplyTo($mail_id, $sender); //reply-to address
$mail->SetFrom($email, $sender); //From address of the mail
// put your while loop here like below,
$mail->Subject = $subject; //Subject of your mail
$mail->AddAddress($email, "NYCLD Test Mailer"); //To address who will receive this email
$mail->MsgHTML($message); //Put your body of the message you can place html code here
// $mail->AddAttachment("images/asif18-logo.png"); //Attach a file here if any or comment this line,
$send = $mail->Send(); //Send the mails
if($send)
{
echo "Thank you for your Feedback";
}
}
//------------------------ End of SMTP mail code ---------------------------------------
//--------------------------------------------------------------------
//------------------------- Mail to sender Section -----------------
$to=$mail_id;
$subject='Acknowledgement of Query from '.$sender;
$message='Dear '.$sender.',<br><br>Thank you for your feedback/query. Your mail has been delivered to concerned department. You will be contacted soon reagrding your query.<br><br>Regards,<br><br>Test Department';
//---------------------------------- SMTP Authenticated Mail coding --------------------------
include "smtpmail/library.php"; // include the library file
include "smtpmail/classes/class.phpmailer.php"; // include the class name
$email = $to;
$mail = new PHPMailer; // call the class
$mail->IsSMTP();
$mail->SMTPAuth = true;
$mail->SMTPSecure = "ssl";
$mail->Host = "smtp.gmail.com"; //Hostname of the mail server
$mail->Port = 465; //Port of the SMTP like to be 25, 80, 465 or 587
$mail->Username = "mailid#gmail.com"; //Username for SMTP authentication any valid email created in your domain
$mail->Password = "password"; //Password for SMTP authentication
$mail->AddReplyTo($mail_id, "Fitwell India"); //reply-to address
$mail->SetFrom($email, "Fitwell India"); //From address of the mail
// put your while loop here like below,
$mail->Subject = $subject; //Subject of your mail
$mail->AddAddress($mail_id, $sender); //To address who will receive this email
$mail->MsgHTML($message); //Put your body of the message you can place html code here
// $mail->AddAttachment("images/asif18-logo.png"); //Attach a file here if any or comment this line,
$send = $mail->Send(); //Send the mails
//------------------------ End of SMTP mail code ---------------------------------------

Answer 1

Try to change $mail->SMTPSecure = "tls"; and use as $mail->Port = 587; also do not forget to enable access to your gmail account from outside app, you should receive email invitation to your gmail account about access attempt.