diff --git a/.docker/php.Dockerfile b/.docker/php.Dockerfile
index 20fc491c..0b0e7ec5 100644
--- a/.docker/php.Dockerfile
+++ b/.docker/php.Dockerfile
@@ -20,7 +20,7 @@ RUN php artisan horizon:publish
 USER root
 COPY ./.docker/php /bin
 
-VOLUME ["/app/packages/laravel-nami/.cookies", "/app/storage/app"]
+VOLUME ["/app/packages/laravel-nami/.cookies", "/app/storage/app", "/app/resources/views/tex/invoice"]
 
 EXPOSE 9000
 
diff --git a/.gitmodules b/.gitmodules
index 3af5a3b5..838e3b1c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "packages/silvaletter"]
-	path = packages/silvaletter
-	url = https://git.zoomyboy.de/silva/silvaletter.git
 [submodule "packages/laravel-nami"]
 	path = packages/laravel-nami
 	url = https://git.zoomyboy.de/silva/laravel-nami-api
diff --git a/resources/views/tex/invoice/bill.tex b/resources/views/tex/invoice/bill.tex
index f4e9f63f..017e0d47 100644
--- a/resources/views/tex/invoice/bill.tex
+++ b/resources/views/tex/invoice/bill.tex
@@ -1,14 +1,24 @@
-\documentclass[silvaletter,12pt]{scrlttr2}
+\documentclass[dpsgletter,12pt]{scrlttr2}
 
 \setkomavar{subject}{<<< $getSubject >>>}
 \setkomavar{fromname}[<<<$settings->from>>>]{<<<$settings->from_long>>>}
+@if($settings->mobile)
+\KOMAoptions{frommobilephone}
 \setkomavar{frommobilephone}[Mobiltelefon: ]{<<<$settings->mobile>>>}
+@endif
+@if($settings->email)
+\KOMAoptions{fromemail}
 \setkomavar{fromemail}[E-Mail: ]{<<<$settings->email>>>}
+@endif
+@if($settings->website)
+\KOMAoptions{fromurl}
 \setkomavar{fromurl}[Website: ]{<<<$settings->website>>>}
-\setkomavar{fromaddress}{<<<$settings->address>>>}
+@endif
+@if($settings->address && $settings->zip && $settings->place)
+\setkomavar{fromaddress}{<<<$settings->address>>>\\<<<$settings->zip>>> <<<$settings->place>>>}
 \setkomavar{place}{<<<$settings->place>>>}
 \setkomavar{fromzipcode}{<<<$settings->zip>>>}
-\setkomavar{fromlogo}{\includegraphics[width=2cm]{logo.png}}    % stammeslogo
+@endif
 
 \begin{document}
 \begin{letter}{<<< $toName >>>\\<<< $toAddress >>>\\<<< $toZip >>> <<< $toLocation >>>}
diff --git a/resources/views/tex/invoice/remember.tex b/resources/views/tex/invoice/remember.tex
index 1441855b..2814e68c 100644
--- a/resources/views/tex/invoice/remember.tex
+++ b/resources/views/tex/invoice/remember.tex
@@ -1,14 +1,24 @@
-\documentclass[silvaletter,12pt]{scrlttr2}
+\documentclass[dpsgletter,12pt]{scrlttr2}
 
 \setkomavar{subject}{<<< $getSubject >>>}
 \setkomavar{fromname}[<<<$settings->from>>>]{<<<$settings->from_long>>>}
+@if($settings->mobile)
+\KOMAoptions{frommobilephone}
 \setkomavar{frommobilephone}[Mobiltelefon: ]{<<<$settings->mobile>>>}
+@endif
+@if($settings->email)
+\KOMAoptions{fromemail}
 \setkomavar{fromemail}[E-Mail: ]{<<<$settings->email>>>}
+@endif
+@if($settings->website)
+\KOMAoptions{fromurl}
 \setkomavar{fromurl}[Website: ]{<<<$settings->website>>>}
-\setkomavar{fromaddress}{<<<$settings->address>>>}
+@endif
+@if($settings->address && $settings->zip && $settings->place)
+\setkomavar{fromaddress}{<<<$settings->address>>>\\<<<$settings->zip>>> <<<$settings->place>>>}
 \setkomavar{place}{<<<$settings->place>>>}
 \setkomavar{fromzipcode}{<<<$settings->zip>>>}
-\setkomavar{fromlogo}{\includegraphics[width=2cm]{logo.png}}    % stammeslogo
+@endif
 
 \begin{document}
 \begin{letter}{<<< $toName >>>\\<<< $toAddress >>>\\<<< $toZip >>> <<< $toLocation >>>}
diff --git a/resources/views/tex/templates/letter/assets/logo.png b/resources/views/tex/templates/letter/assets/logo.png
new file mode 100755
index 00000000..e54fa754
Binary files /dev/null and b/resources/views/tex/templates/letter/assets/logo.png differ
diff --git a/resources/views/tex/templates/letter/dpsgletter.lco b/resources/views/tex/templates/letter/dpsgletter.lco
new file mode 100644
index 00000000..55559f49
--- /dev/null
+++ b/resources/views/tex/templates/letter/dpsgletter.lco
@@ -0,0 +1,43 @@
+\ProvidesFile{dpsgletter.lco}
+
+% ---------------------------- Require packages ----------------------------
+\RequirePackage{xcolor}
+\RequirePackage[utf8]{inputenc}
+\RequirePackage[T1]{fontenc}
+\RequirePackage[ngerman]{babel}
+\RequirePackage{fp}
+\RequirePackage{booktabs}
+\RequirePackage{ragged2e}
+\RequirePackage{graphicx}
+\RequirePackage{numprint}
+\RequirePackage[gen]{eurosym}
+
+\RequirePackage[condensed,math]{kurier}
+
+% ---------------------------- Color definition ----------------------------
+\definecolor{dpsgblue}{HTML}{003056}
+
+% ----------------------------- font settings ------------------------------
+\addtokomafont{subject}{\large\color{dpsgblue}}
+
+% -------------------------- Calculation of table --------------------------
+\gdef\TotalHT{0}
+\newcommand{\product}[2]{%
+    #1 & \FPmul\temp{#2}{1}\FPround\temp{\temp}{2}\numprint[\euro]{\temp}
+%% Totalize
+\FPadd\total{\TotalHT}{\temp}%
+\FPround\total{\total}{2}%
+\global\let\TotalHT\total%
+\\ }
+\newcommand{\totalttc}{\numprint[\euro]{\TotalHT}
+}
+
+% ---------------------------- Global variables ----------------------------
+\KOMAoptions{DIV=15, pagenumber=no, enlargefirstpage, firstfoot=false, foldmarks, fromlogo, fromalign=right}
+\setlength{\parindent}{0pt}
+\setlength{\parskip}{10pt}
+\setkomavar{backaddressseparator}{ $\cdot$ }
+\setkomavar{fromlogo}{\includegraphics[height=3cm]{assets/logo.png}}    % stammeslogo
+\renewcommand*{\raggedsignature}{\raggedright}                  % Signatur links ausrichten
+\setkomavar{signature}{}                                        % Kein From unter Unterschriften-Feld
+