Php mail() vs Yahoo: Can someone Simply Explain Steps required for YAHOO to receive mail from php mail function?

I have seen thousands of similar questions asked on this topic. And for sure am aware of the "MARKED AS DUPLICATE QUESTION" thing in SO.

However, it is still not Clear how or what one has to do in simple terms to have yahoo Inbox emails from a PHP mail() function.

In the Yahoo site, they give a sample script to send mails like

Link http://help.yahoo.com/l/us/yahoo/smallbusiness/webhosting/php/php-03.html

    $email = "EMAIL TO";
    $subject = "Test Message";
    $msg = "This is a test message";

    //$eLog="/tmp/mailError.log";

    //Get the size of the error log
    //ensure it exists, create it if it doesn't
    //$fh= fopen($eLog, "a+");
    //fclose($fh);
    //$originalsize = filesize($eLog);

    mail($email,$subject,$msg);

//NOTE: I commented out unneeded lines

Using this basic approach found in the Yahoo's own legitimate website fails.

The second suggestion would be (for PERL) but can be converted to PHP with some editing:

#!/usr/bin/perl
print "Content-type: text/html\n\n";

$title='mail test';
$to='MAIL ADDRESS TO SEND TO';
$from= 'EMAIL@YOURDOMAIN.COM';
$subject='Using Sendmail';

open(MAIL, "|/usr/sbin/sendmail -t");

## Mail Header
print MAIL "To: $to\n";
print MAIL "From: $from\n";
print MAIL "Subject: $subject\n\n";
## Mail Body
print MAIL "This is a test message from Yahoo \n";

close(MAIL);

print "<html><head><title>$title<
/title></head>\n<body>\n\n";

## START HTML content
print "<h1>$title</h1>\n";
print "<p>A message has been sent from $from to $to";
## END HTML CONTENT
print "\n\n</body></html>";

Link: http://help.yahoo.com/l/us/yahoo/smallbusiness/webhosting/php/php-17.html

After few edits to make it PHPish it looks like:

<?php

///#!/usr/bin/perl

$title='_01_mail test';
$to='user_name@yahoo.com, user_name2@gmail.com';
$from= 'info@companyname.com';
$subject='_01_Using Sendmail';


## Mail Header
$headers = "To: $to\n";
$headers .= "From: $from\n";
$headers .= "Subject: $subject\n\n";
## Mail Body
$message = "<html><head><title>$title<
/title></head><body>
<h1>$title</h1>
<p>A message has been sent from $from to $to\n\n
</p></body></html>";

if ( mail($to,$subject,$message,$headers) ) {
   echo "The email has been sent!";
   } else {
   echo "The email has failed!";
   }

?>

The user_name2@gmail.com for GMAIL sends the Email as required but user_name@yahoo.com somehow does not go anywhere.

So, what should we do?... If YAHOO's own samples are not working, then:

a) Is PHP mail() function getting deprecated?... If so, what is the alternative?

b) Should the function still be valid, how do we come up with YAHOO Inbox friendly PHP Codes?

c) What is the best practice for PHP mail() Function?

EDIT:

Additional tests.

Just tested it in this format Suggest by PHP mail() function not sending email:

$subject = "subject";
$message = "message";
$to = "USER_NAME_HERE@yahoo.com";
$type = "plain"; // or HTML
$charset = "utf-8";

$mail     = "no-reply@".str_replace("www.", "", $_SERVER["SERVER_NAME"]);
$uniqid   = md5(uniqid(time()));
$headers  = "From: ".$mail."\n";
$headers .= "Reply-to: ".$mail."\n";
$headers .= "Return-Path: ".$mail."\n";
$headers .= "Message-ID: <".$uniqid."@".$_SERVER["SERVER_NAME"].">\n";
$headers .= "MIME-Version: 1.0"."\n";
$headers .= "Date: ".gmdate("D, d M Y H:i:s", time())."\n";
$headers .= "X-Priority: 3"."\n";
$headers .= "X-MSMail-Priority: Normal"."\n";
$headers .= "Content-Type: multipart/mixed;boundary=\"----------".$uniqid."\""."\n\n";
$headers .= "------------".$uniqid."\n";
$headers .= "Content-type: text/".$type.";charset=".$charset.""."\n";
$headers .= "Content-transfer-encoding: 7bit";

STILL YAHOO DOES NOT INBOX THE MAIL.

EDIT2

I went to this Link: http://www.forensicswiki.org/wiki/Evolution_Header_Format

YAHOO said the header should be like this:

Subject: header test
From: Username <username@sendinghost.com>
To: Username <username@receivinghost.com>
Content-Type: text/plain
Date: Sat, 28 Jul 2007 11:52:35 +0200
Message-Id: <1185616355.19231.0.camel@localhost>
Mime-Version: 1.0
X-Mailer: Evolution 2.10.1
Content-Transfer-Encoding: 7bit

Thested with PHP mail() func. ... GMail received, again, YAHOO Rejected... I Get NO Error in the Logs

I Finally got a laaaaarge smile on my face. Working together with @DaveRandom, He helped me come up with these codes:

NOTE: The code bellow uses PHPMailer

    <?php

            $senderName = 'Erick Best'; //Enter the sender name
            $username = 'erickbestism@yahoo.com'; //Enter your Email
            $password = 'passwordHere';// Enter the Password


            $recipients = array(
                'erickbestism@gmail.com' => 'Erick Best',
                'erickbestism@yahoo.com' => 'Yahoo User',
            );
          ///That's all you need to do

//No need to edit bellow    
            require '../PHPMailerAutoload.php';

            //Create a new PHPMailer instance
            $mail = new PHPMailer();

            // Set up SMTP
            $mail->IsSMTP();
            $mail->SMTPAuth   = true;
            $mail->SMTPSecure = "tls";
            $mail->Host       = "smtp.mail.yahoo.com";
            $mail->Port       = 587; // we changed this from 486
            $mail->Username   = $username;
            $mail->Password   = $password;

            // Build the message
            $mail->Subject = 'PHPMailer mail() test';
            $mail->msgHTML(file_get_contents('contents.html'), dirname(__FILE__));
            $mail->AltBody = 'This is a plain-text message body';
            $mail->addAttachment('images/phpmailer_mini.gif');

            // Set the from/to
            $mail->setFrom($username, $senderName);
            foreach ($recipients as $address => $name) {
                $mail->addAddress($address, $name);
            }

            //send the message, check for errors
            if (!$mail->send()) {
                echo "Mailer Error: " . $mail->ErrorInfo;
            } else {
                echo "Message sent!";
            }

        ?>

And this WORKED like VOODOO!... It sent mails to any provider. Including **YAHOO**

Hope it helps someone!

try this:

<?php 
include("Mail.php"); 

$recipients = "mailto@example.com"; 

$headers["From"]    = "mailfrom@example.com"; 
$headers["To"]      = "mailto@example.com"; 
$headers["Subject"] = "Test message"; 

$body = "TEST MESSAGE!!!"; 

$params["host"] = "example.com"; 
$params["port"] = "25"; 
$params["auth"] = true; 
$params["username"] = "user"; 
$params["password"] = "password"; 

// Create the mail object using the Mail::factory method 
$mail_object =& Mail::factory("smtp", $params); 

$mail_object->send($recipients, $headers, $body); 
?>

where username and password are for a yahoo account.

来源：https://stackoverflow.com/questions/19555650/php-mail-vs-yahoo-can-someone-simply-explain-steps-required-for-yahoo-to-rece

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