diff --git a/mail/signature_perso b/mail/signature_perso
new file mode 100644
index 0000000..c615511
--- /dev/null
+++ b/mail/signature_perso
@@ -0,0 +1,3 @@
+--
+Hyacinthe
+PGP KeyID 0x550DF40B
diff --git a/mail/signature_pro b/mail/signature_pro
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+++ b/mail/signature_pro
@@ -0,0 +1,10 @@
+--
+Hyacinthe Cartiaux
+-------------------------------
+Technical collaborator
+CSC - University of Luxembourg
+Campus Kirchberg, office E-008
+-------------------------------
+Mail: hyacinthe.cartiaux@uni.lu
+Phone: (+352) 46 66 44 5893
+PGP KeyID 0x550DF40B