diff --git a/public/categories/index.html b/public/categories/index.html
index e9ccc5f..d00c2ad 100755
--- a/public/categories/index.html
+++ b/public/categories/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/de/categories/">🇩🇪</a>
+                <a href="/ru/categories/">🇷🇺</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/ru/categories/">🇷🇺</a>
+                <a href="/de/categories/">🇩🇪</a>
               </li>
             
           
diff --git a/public/de/404.html b/public/de/404.html
index 37a9928..8caee7c 100755
--- a/public/de/404.html
+++ b/public/de/404.html
@@ -136,14 +136,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/404.html">🇬🇧</a>
+                <a href="/ru/404.html">🇷🇺</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/ru/404.html">🇷🇺</a>
+                <a href="/404.html">🇬🇧</a>
               </li>
             
           
diff --git a/public/de/series/index.html b/public/de/series/index.html
index 3d868df..6631b4c 100755
--- a/public/de/series/index.html
+++ b/public/de/series/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/series/">🇬🇧</a>
+                <a href="/ru/series/">🇷🇺</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/ru/series/">🇷🇺</a>
+                <a href="/series/">🇬🇧</a>
               </li>
             
           
diff --git a/public/de/sitemap.xml b/public/de/sitemap.xml
index f5b26de..8cfb04a 100755
--- a/public/de/sitemap.xml
+++ b/public/de/sitemap.xml
@@ -3,6 +3,11 @@
   xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
     <loc>http://markinstefan.xyz/de/authors/</loc>
+    <xhtml:link
+                rel="alternate"
+                hreflang="de"
+                href="http://markinstefan.xyz/de/authors/"
+                />
     <xhtml:link
                 rel="alternate"
                 hreflang="en"
@@ -13,11 +18,6 @@
                 hreflang="ru"
                 href="http://markinstefan.xyz/ru/authors/"
                 />
-    <xhtml:link
-                rel="alternate"
-                hreflang="de"
-                href="http://markinstefan.xyz/de/authors/"
-                />
   </url><url>
     <loc>http://markinstefan.xyz/de/categories/</loc>
     <xhtml:link
@@ -88,6 +88,11 @@
                 />
   </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"
@@ -98,11 +103,6 @@
                 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 076d123..f2b5462 100755
--- a/public/en/sitemap.xml
+++ b/public/en/sitemap.xml
@@ -20,11 +20,6 @@
                 />
   </url><url>
     <loc>http://markinstefan.xyz/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/contact/</loc>
     <xhtml:link
@@ -139,11 +139,6 @@
                 />
   </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"
@@ -154,5 +149,10 @@
                 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 651eff5..031da2e 100755
--- a/public/rsvp-submit.php
+++ b/public/rsvp-submit.php
@@ -110,6 +110,9 @@ 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->SMTPAuth   = true;
diff --git a/public/ru/404.html b/public/ru/404.html
index 82f7abe..ab2f6c7 100755
--- a/public/ru/404.html
+++ b/public/ru/404.html
@@ -136,14 +136,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/de/404.html">🇩🇪</a>
+                <a href="/404.html">🇬🇧</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/404.html">🇬🇧</a>
+                <a href="/de/404.html">🇩🇪</a>
               </li>
             
           
diff --git a/public/ru/sitemap.xml b/public/ru/sitemap.xml
index e465074..2f0b69a 100755
--- a/public/ru/sitemap.xml
+++ b/public/ru/sitemap.xml
@@ -54,11 +54,6 @@
                 />
   </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"
@@ -69,6 +64,11 @@
                 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
diff --git a/public/tags/index.html b/public/tags/index.html
index 89eaf1f..94fd14a 100755
--- a/public/tags/index.html
+++ b/public/tags/index.html
@@ -137,14 +137,14 @@
                 
               
               <li class="navigation-item">
-                <a href="/ru/tags/">🇷🇺</a>
+                <a href="/de/tags/">🇩🇪</a>
               </li>
             
           
             
               
               <li class="navigation-item">
-                <a href="/de/tags/">🇩🇪</a>
+                <a href="/ru/tags/">🇷🇺</a>
               </li>
             
           
diff --git a/static/rsvp-submit.php b/static/rsvp-submit.php
index 651eff5..031da2e 100755
--- a/static/rsvp-submit.php
+++ b/static/rsvp-submit.php
@@ -110,6 +110,9 @@ 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->SMTPAuth   = true;