install_amavis.sh: some fixes to support debian version 12.

install_amavis.sh

@@ -952,6 +952,8 @@ _needed_cpan_modules="CPAN
    DBI
    DBD::mysql
    DBD::Pg"
+
+if [[ "${os_dist,,}" = "debian" ]] && [[ "$os_version" -lt 12 ]] ; then
    for _module in $_needed_cpan_modules ; do
       cpanm -q --skip-installed $_module  > "$tmp_err_msg" 2>&1
       if [[ "$?" -ne 0 ]] ; then
@@ -975,6 +977,21 @@ done
    if ! $installation_failed ; then
       echo_ok
    fi
+else
+   echo_skipped
+   info "Needed Perl modules are :
+
+                     DBI
+                     DBD::mysql
+                     DBD::Pg
+
+                   All of them are installed via debian package system:
+
+                     libdbi-perl
+                     libdbd-mysql-perl
+                     libdbd-pg-perl"
+
+fi
 
 ## - Temporarily disable crontab for user root
 ## -
@@ -2645,8 +2662,13 @@ EOF
 fi
 
 echononl "   Restart spamassassin"
+if [[ "${os_dist,,}" = "debian" ]] && [[ "$os_version" -lt 12 ]] ; then
+   _service="spamassassin"
+else
+   _service="spamd"
+fi
 if $systemd_exists ; then
-   systemctl restart spamassassin > /dev/null 2> $tmp_err_msg
+   systemctl restart ${_service} > /dev/null 2> $tmp_err_msg
    if [[ $? -eq 0 ]] ; then
       echo_ok
    else
@@ -2663,7 +2685,8 @@ if $systemd_exists ; then
 		[[ $OK = "yes" ]] || fatal "Abbruch durch User"
    fi
 else
-   /etc/init.d/spamassassin restart > /dev/null 2> $tmp_err_msg
+   if [[ -f "/etc/init.d/${_service}" ]]; then
+      /etc/init.d/${_service} restart > /dev/null 2> $tmp_err_msg
       if [[ $? -eq 0 ]] ; then
          echo_ok
       else
@@ -2679,6 +2702,9 @@ else
          done
          [[ $OK = "yes" ]] || fatal "Abbruch durch User"
       fi
+   else
+      echo_skipped
+      warn "Please restart spamassassin manually.."
 fi