Control exim logging

src/freedombone-logging

         if [ ! -d /var/log/exim4 ]; then
             mkdir /var/log/exim4
         fi
+        sed -i 's|MAIN_LOG_SELECTOR = .*|MAIN_LOG_SELECTOR = +tls_peerdn|g' /etc/exim4/exim4.conf.template
         sed -i 's|log_selector =.*|log_selector = MAIN_LOG_SELECTOR|g' /etc/exim4/conf.d/main/90_exim4-config_log_selector
     fi
     if [ -f /etc/dovecot/dovecot.conf ]; then
         rm -rf /var/log/prosody
     fi
     if [ -d /etc/exim4 ]; then
+        sed -i 's|MAIN_LOG_SELECTOR = .*|MAIN_LOG_SELECTOR = -all|g' /etc/exim4/exim4.conf.template
         sed -i 's|log_selector =.*|log_selector = -all|g' /etc/exim4/conf.d/main/90_exim4-config_log_selector
         shred -zu /var/log/exim4/*
     fi