diff --git a/sitemap.xml b/sitemap.xml
index eec3c0110..86b5bd03d 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -1,488 +1,779 @@
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          <changefreq>daily</changefreq>
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+         <xhtml:link rel="alternate" hreflang="de" href="https://mailcow.github.io/mailcow-dockerized-docs/de/"/>
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          <loc>https://mailcow.github.io/mailcow-dockerized-docs/backup_restore/b_n_r-accidental_deletion/</loc>
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          <changefreq>daily</changefreq>
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          <changefreq>daily</changefreq>
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-         <lastmod>2022-02-06</lastmod>
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          <changefreq>daily</changefreq>
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-         <lastmod>2022-02-06</lastmod>
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          <changefreq>daily</changefreq>
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          <changefreq>daily</changefreq>
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          <changefreq>daily</changefreq>
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          <loc>https://mailcow.github.io/mailcow-dockerized-docs/client/client-android/</loc>
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          <changefreq>daily</changefreq>
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          <changefreq>daily</changefreq>
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          <changefreq>daily</changefreq>
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          <changefreq>daily</changefreq>
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          <loc>https://mailcow.github.io/mailcow-dockerized-docs/manual-guides/u_e-autodiscover_config/</loc>
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