Update email test with connectivity checks

Author: anupamkushwaha85

test_email.php

@@ -3,7 +3,7 @@
 ini_set('display_errors', 1);
 error_reporting(E_ALL);
 
-echo "<h1>Email Sending Test</h1>";
+echo "<h1>Email Connectivity & Sending Test</h1>";
 
 // Load configuration
 require_once 'config/email.php';
@@ -12,37 +12,65 @@
 use PHPMailer\PHPMailer\PHPMailer;
 use PHPMailer\PHPMailer\Exception;
 
-echo "<p>Configuration Loaded.</p>";
+$host = SMTP_HOST;
+$ports = [587, 465];
+
+// 1. DNS Resolution Test
+echo "<h2>1. DNS Resolution</h2>";
+$ip = gethostbyname($host);
+echo "Resolved <strong>$host</strong> to IPv4: <strong>$ip</strong><br>";
+
+// 2. Port Connectivity Test
+echo "<h2>2. Port Connectivity</h2>";
+foreach ($ports as $port) {
+    echo "Testing connection to <strong>$host:$port</strong>... ";
+    $fp = @fsockopen($host, $port, $errno, $errstr, 5);
+    if ($fp) {
+        echo "<span style='color:green'>SUCCESS</span><br>";
+        fclose($fp);
+    } else {
+        echo "<span style='color:red'>FAILED ($errno: $errstr)</span><br>";
+    }
+}
+
+// 3. Email Sending Test
+echo "<h2>3. Sending Test</h2>";
+
 echo "<ul>";
 echo "<li>Host: " . SMTP_HOST . "</li>";
 echo "<li>Port: " . SMTP_PORT . "</li>";
 echo "<li>Username: " . (SMTP_USERNAME ? 'Set' : 'Not Set') . "</li>";
-echo "<li>Password: " . (SMTP_PASSWORD ? 'Set' : 'Not Set') . "</li>";
 echo "</ul>";
 
 $mail = new PHPMailer(true);
 
 try {
     // Server settings
-    $mail->SMTPDebug = 2;                      // Enable verbose debug output
-    $mail->isSMTP();                                            // Send using SMTP
-    $mail->Host       = SMTP_HOST;                     // Set the SMTP server to send through
-    $mail->SMTPAuth   = SMTP_AUTH;                                   // Enable SMTP authentication
-    $mail->Username   = SMTP_USERNAME;                     // SMTP username
-    $mail->Password   = SMTP_PASSWORD;                               // SMTP password
-    $mail->SMTPSecure = SMTP_SECURE;            // Enable implicit TLS encryption
-    $mail->Port       = SMTP_PORT;                                    // TCP port to connect to; use 587 if you have set `SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS`
+    $mail->SMTPDebug = 2;
+    $mail->isSMTP();
+
+    // FORCE IPv4 workaround if standard host fails
+    // $mail->Host = gethostbyname(SMTP_HOST); 
+    $mail->Host       = SMTP_HOST;
+
+    $mail->SMTPAuth   = SMTP_AUTH;
+    $mail->Username   = SMTP_USERNAME;
+    $mail->Password   = SMTP_PASSWORD;
+    $mail->SMTPSecure = SMTP_SECURE;
+    $mail->Port       = SMTP_PORT;
+
+    // Timeout settings
+    $mail->Timeout = 10;
+    $mail->Timelimit = 10;
 
     // Recipients
     $mail->setFrom(MAIL_FROM_EMAIL, MAIL_FROM_NAME);
-    // Send to the sender for testing
     $mail->addAddress(SMTP_USERNAME);
 
     // Content
-    $mail->isHTML(true);                                  // Set email format to HTML
+    $mail->isHTML(true);
     $mail->Subject = 'Test Email from Smart Tailoring';
     $mail->Body    = 'This is a test email to verify SMTP configuration on Render.';
-    $mail->AltBody = 'This is a test email to verify SMTP configuration on Render.';
 
     echo "<p>Attempting to send email...</p>";
     $mail->send();