diff --git a/start_scripts/sendmailanalyzer.service b/start_scripts/sendmailanalyzer.service
index 0e2e6c1..9089cb9 100644
--- a/start_scripts/sendmailanalyzer.service
+++ b/start_scripts/sendmailanalyzer.service
@@ -1,13 +1,28 @@
+# Copy the file as "/etc/systemd/system/sendmailanalyzer.service"
+# To run sendmailanalyzer, use:
+#       systemctl start sendmailanalyzer.service
+# to enable automatic start at boot time, use:
+#       systemctl enable sendmailanalyzer.service
+# to stop sendmailanalyzer:
+#       systemctl stop sendmailanalyzer.service
+#
+# Feel free to modify the name of the PostgreSQL service following
+# your installation.
+#
+# For more info about custom unit files, see
+# http://fedoraproject.org/wiki/Systemd#How_do_I_customize_a_unit_file.2F_add_a_custom_unit_file.3F
 [Unit]
-Description=SendmailAnalyzer a sendmail/postfix log analyzer 
+Description=SendmailAnalyzer a sendmail/postfix log analyzer
+Requires=sendmail.service
+After=sendmail.service
+#Requires=postfix.service
+#After=postfix.service
 
 [Service]
-Type=oneshot
+Type=forking
+PIDFile=/tmp/sendmailanalyzer.pid
 ExecStart=/usr/local/sendmailanalyzer/sendmailanalyzer -f
 ExecStop=/bin/kill -TERM sendmailanalyzer
-RemainAfterExit=yes
 
 [Install]
 WantedBy=multi-user.target
-Alias=sendmailanalyzer.service
-