diff --git a/sesame2mail b/sesame2mail
new file mode 100755
index 0000000..26ddf21
--- /dev/null
+++ b/sesame2mail
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+# This script will convert UR1 user sesame into UR1 user mail
+# The first argument should be a file with a uid by line!
+
+# Dependancies:
+# ldapsearch (provide by ldap-utils on GNU/Linux)
+
+UID_LIST="${1}"
+MAIL_LIST="${UID_LIST}_mail"
+
+# Test if the given file exists
+if [ -f "${UID_LIST}" ]; then
+  touch "${MAIL_LIST}"
+else
+  printf '%b' "The fist argument should be a file with one mail/line\n"
+  exit 1
+fi
+
+index=0
+while read uid; do
+  index=$((index+1))
+  mail=$(ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(uid='"${uid}"')' -b "dc=univ-rennes1,dc=fr" -x mail | grep "^mail" | cut -d" " -f2)
+
+  #printf '%b' "${index}: ${mail} -> ${uid}\n"
+  printf '%b' "${mail}\n" >> "${MAIL_LIST}"
+
+done < "${UID_LIST}"
+
+printf '%b' "Please see ${MAIL_LIST} file\n"
+
+exit 0