diff --git a/public/de/series/index.html b/public/de/series/index.html
index 6631b4c..3d868df 100755
--- a/public/de/series/index.html
+++ b/public/de/series/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/ru/series/">🇷🇺</a>
+                <a href="/series/">🇬🇧</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/series/">🇬🇧</a>
+                <a href="/ru/series/">🇷🇺</a>
               </li>
             
           
diff --git a/public/de/sitemap.xml b/public/de/sitemap.xml
index 8cfb04a..3ce8530 100755
--- a/public/de/sitemap.xml
+++ b/public/de/sitemap.xml
@@ -20,11 +20,6 @@
                 />
   </url><url>
     <loc>http://markinstefan.xyz/de/categories/</loc>
-    <xhtml:link
-                rel="alternate"
-                hreflang="de"
-                href="http://markinstefan.xyz/de/categories/"
-                />
     <xhtml:link
                 rel="alternate"
                 hreflang="en"
@@ -35,6 +30,11 @@
                 hreflang="ru"
                 href="http://markinstefan.xyz/ru/categories/"
                 />
+    <xhtml:link
+                rel="alternate"
+                hreflang="de"
+                href="http://markinstefan.xyz/de/categories/"
+                />
   </url><url>
     <loc>http://markinstefan.xyz/de/hochzeit/</loc>
     <xhtml:link
@@ -88,11 +88,6 @@
                 />
   </url><url>
     <loc>http://markinstefan.xyz/de/series/</loc>
-    <xhtml:link
-                rel="alternate"
-                hreflang="ru"
-                href="http://markinstefan.xyz/ru/series/"
-                />
     <xhtml:link
                 rel="alternate"
                 hreflang="de"
@@ -103,6 +98,11 @@
                 hreflang="en"
                 href="http://markinstefan.xyz/series/"
                 />
+    <xhtml:link
+                rel="alternate"
+                hreflang="ru"
+                href="http://markinstefan.xyz/ru/series/"
+                />
   </url><url>
     <loc>http://markinstefan.xyz/de/tags/</loc>
     <xhtml:link
diff --git a/public/en/sitemap.xml b/public/en/sitemap.xml
index f2b5462..b13ae95 100755
--- a/public/en/sitemap.xml
+++ b/public/en/sitemap.xml
@@ -139,6 +139,11 @@
                 />
   </url><url>
     <loc>http://markinstefan.xyz/tags/</loc>
+    <xhtml:link
+                rel="alternate"
+                hreflang="ru"
+                href="http://markinstefan.xyz/ru/tags/"
+                />
     <xhtml:link
                 rel="alternate"
                 hreflang="de"
@@ -149,10 +154,5 @@
                 hreflang="en"
                 href="http://markinstefan.xyz/tags/"
                 />
-    <xhtml:link
-                rel="alternate"
-                hreflang="ru"
-                href="http://markinstefan.xyz/ru/tags/"
-                />
   </url>
 </urlset>
diff --git a/public/rsvp-submit.php b/public/rsvp-submit.php
index 031da2e..88c3851 100755
--- a/public/rsvp-submit.php
+++ b/public/rsvp-submit.php
@@ -1,9 +1,7 @@
 <?php
 
-file_put_contents('/tmp/rsvp-debug.log', "1\n", FILE_APPEND);
 
 require __DIR__ . '/vendor/autoload.php';
-file_put_contents('/tmp/rsvp-debug.log', "2\n", FILE_APPEND);
 
 use PHPMailer\PHPMailer\PHPMailer;
 use PHPMailer\PHPMailer\Exception;
@@ -12,7 +10,6 @@ use Dotenv\Dotenv;
 $dotenv = Dotenv::createImmutable(__DIR__ . '/../');
 $dotenv->safeLoad();
 
-file_put_contents('/tmp/rsvp-debug.log', "3\n", FILE_APPEND);
 
 function checkboxArrayToString($value)
 {
@@ -103,18 +100,14 @@ foreach ($fields as &$field) {
     $field = mb_convert_encoding($field, 'UTF-8', 'auto');
 }
 
-file_put_contents('/tmp/rsvp-debug.log', "4\n", FILE_APPEND);
 $mail = new PHPMailer(true);
 
 try {
 
     $mail->CharSet = 'UTF-8';
 
-    error_log("SMTP_HOST=" . $_ENV['SMTP_HOST']);
-error_log("SMTP_PORT=" . $_ENV['SMTP_PORT']);
-error_log("SMTP_USER=" . $_ENV['SMTP_USER']);
     $mail->isSMTP();
-    $mail->Host       = $_ENV['SMTP_HOST'];
+    $mail->Host = gethostbyname($_ENV['SMTP_HOST']);
     $mail->SMTPAuth   = true;
     $mail->Username   = $_ENV['SMTP_USER'];
     $mail->Password   = $_ENV['SMTP_PASS'];
@@ -203,14 +196,8 @@ EOD;
 
     $mail->Body = $body;
 
-    file_put_contents('/tmp/rsvp-debug.log', "5\n", FILE_APPEND);
-    $mail->SMTPDebug = 2;
-$mail->Debugoutput = 'error_log';
 $mail->Timeout = 10;
-error_log("About to send mail");
     $mail->send();
-error_log("Mail sent");
-    file_put_contents('/tmp/rsvp-debug.log', "6\n", FILE_APPEND);
 
     header('Location: /thank-you/');
     exit;
diff --git a/public/ru/404.html b/public/ru/404.html
index ab2f6c7..82f7abe 100755
--- a/public/ru/404.html
+++ b/public/ru/404.html
@@ -136,14 +136,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/404.html">🇬🇧</a>
+                <a href="/de/404.html">🇩🇪</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/de/404.html">🇩🇪</a>
+                <a href="/404.html">🇬🇧</a>
               </li>
             
           
diff --git a/public/ru/categories/index.html b/public/ru/categories/index.html
index 90c5031..fdd3de6 100755
--- a/public/ru/categories/index.html
+++ b/public/ru/categories/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/de/categories/">🇩🇪</a>
+                <a href="/categories/">🇬🇧</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/categories/">🇬🇧</a>
+                <a href="/de/categories/">🇩🇪</a>
               </li>
             
           
diff --git a/public/ru/index.html b/public/ru/index.html
index a76c1ac..8266e40 100755
--- a/public/ru/index.html
+++ b/public/ru/index.html
@@ -138,14 +138,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/de/">🇩🇪</a>
+                <a href="/">🇬🇧</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/">🇬🇧</a>
+                <a href="/de/">🇩🇪</a>
               </li>
             
           
diff --git a/public/ru/sitemap.xml b/public/ru/sitemap.xml
index 2f0b69a..acdf2e8 100755
--- a/public/ru/sitemap.xml
+++ b/public/ru/sitemap.xml
@@ -20,11 +20,6 @@
                 />
   </url><url>
     <loc>http://markinstefan.xyz/ru/categories/</loc>
-    <xhtml:link
-                rel="alternate"
-                hreflang="de"
-                href="http://markinstefan.xyz/de/categories/"
-                />
     <xhtml:link
                 rel="alternate"
                 hreflang="en"
@@ -35,6 +30,11 @@
                 hreflang="ru"
                 href="http://markinstefan.xyz/ru/categories/"
                 />
+    <xhtml:link
+                rel="alternate"
+                hreflang="de"
+                href="http://markinstefan.xyz/de/categories/"
+                />
   </url><url>
     <loc>http://markinstefan.xyz/ru/series/</loc>
     <xhtml:link
@@ -54,6 +54,11 @@
                 />
   </url><url>
     <loc>http://markinstefan.xyz/ru/tags/</loc>
+    <xhtml:link
+                rel="alternate"
+                hreflang="ru"
+                href="http://markinstefan.xyz/ru/tags/"
+                />
     <xhtml:link
                 rel="alternate"
                 hreflang="de"
@@ -64,11 +69,6 @@
                 hreflang="en"
                 href="http://markinstefan.xyz/tags/"
                 />
-    <xhtml:link
-                rel="alternate"
-                hreflang="ru"
-                href="http://markinstefan.xyz/ru/tags/"
-                />
   </url><url>
     <loc>http://markinstefan.xyz/ru/contact/</loc>
     <xhtml:link
@@ -90,13 +90,13 @@
     <loc>http://markinstefan.xyz/ru/</loc>
     <xhtml:link
                 rel="alternate"
-                hreflang="de"
-                href="http://markinstefan.xyz/de/"
+                hreflang="en"
+                href="http://markinstefan.xyz/"
                 />
     <xhtml:link
                 rel="alternate"
-                hreflang="en"
-                href="http://markinstefan.xyz/"
+                hreflang="de"
+                href="http://markinstefan.xyz/de/"
                 />
     <xhtml:link
                 rel="alternate"
diff --git a/public/tags/index.html b/public/tags/index.html
index 94fd14a..89eaf1f 100755
--- a/public/tags/index.html
+++ b/public/tags/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/de/tags/">🇩🇪</a>
+                <a href="/ru/tags/">🇷🇺</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/ru/tags/">🇷🇺</a>
+                <a href="/de/tags/">🇩🇪</a>
               </li>
             
           
diff --git a/static/rsvp-submit.php b/static/rsvp-submit.php
index 031da2e..88c3851 100755
--- a/static/rsvp-submit.php
+++ b/static/rsvp-submit.php
@@ -1,9 +1,7 @@
 <?php
 
-file_put_contents('/tmp/rsvp-debug.log', "1\n", FILE_APPEND);
 
 require __DIR__ . '/vendor/autoload.php';
-file_put_contents('/tmp/rsvp-debug.log', "2\n", FILE_APPEND);
 
 use PHPMailer\PHPMailer\PHPMailer;
 use PHPMailer\PHPMailer\Exception;
@@ -12,7 +10,6 @@ use Dotenv\Dotenv;
 $dotenv = Dotenv::createImmutable(__DIR__ . '/../');
 $dotenv->safeLoad();
 
-file_put_contents('/tmp/rsvp-debug.log', "3\n", FILE_APPEND);
 
 function checkboxArrayToString($value)
 {
@@ -103,18 +100,14 @@ foreach ($fields as &$field) {
     $field = mb_convert_encoding($field, 'UTF-8', 'auto');
 }
 
-file_put_contents('/tmp/rsvp-debug.log', "4\n", FILE_APPEND);
 $mail = new PHPMailer(true);
 
 try {
 
     $mail->CharSet = 'UTF-8';
 
-    error_log("SMTP_HOST=" . $_ENV['SMTP_HOST']);
-error_log("SMTP_PORT=" . $_ENV['SMTP_PORT']);
-error_log("SMTP_USER=" . $_ENV['SMTP_USER']);
     $mail->isSMTP();
-    $mail->Host       = $_ENV['SMTP_HOST'];
+    $mail->Host = gethostbyname($_ENV['SMTP_HOST']);
     $mail->SMTPAuth   = true;
     $mail->Username   = $_ENV['SMTP_USER'];
     $mail->Password   = $_ENV['SMTP_PASS'];
@@ -203,14 +196,8 @@ EOD;
 
     $mail->Body = $body;
 
-    file_put_contents('/tmp/rsvp-debug.log', "5\n", FILE_APPEND);
-    $mail->SMTPDebug = 2;
-$mail->Debugoutput = 'error_log';
 $mail->Timeout = 10;
-error_log("About to send mail");
     $mail->send();
-error_log("Mail sent");
-    file_put_contents('/tmp/rsvp-debug.log', "6\n", FILE_APPEND);
 
     header('Location: /thank-you/');
     exit;