install_postfix_advanced.sh: add support for lookup tables 'virtual_alias_domains' and 'virtual_alias_maps'.

install_postfix_advanced.sh

@@ -2019,6 +2019,7 @@ virtual_mailbox_domains =
 ## - manipulations see the ADDRESS_REWRITING_README document. 
 ## -
 virtual_alias_maps =
+   btree:/etc/postfix/virtual_alias_maps
 EOF
 
 if $IS_SYMPA_LIST_SERVER ; then
@@ -2038,6 +2039,7 @@ cat <<EOF >> /etc/postfix/main.cf
 ## - See also the virtual alias domain class in the ADDRESS_CLASS_README file 
 ## -
 virtual_alias_domains =
+   btree:/etc/postfix/virtual_alias_domains
 
 
 #======= Rate Limiting ============
@@ -2823,6 +2825,51 @@ else
    echo_failed
 fi
 
+
+echononl "   Create file \"virtual_alias_domains\""
+if [[ ! -f /etc/postfix/virtual_alias_domains ]]; then
+	cat <<EOF > /etc/postfix/virtual_alias_domains
+# - File: /etc/postfix/virtual_alias_domains
+# -
+# - Note:
+# -  a mapping file always has two columns. In such a 'one-dimensional' mapping (list of domains)
+# -  Postfix does not care about your second column. It does not even have to be 'OK', it can be
+# -  anything.
+# -
+# - Example:
+# -      <domain>            OK
+
+EOF
+fi
+postmap btree:/etc/postfix/virtual_alias_domains
+if [[ $? -eq 0 ]] ; then
+   echo_ok
+else
+   echo_failed
+fi
+
+echononl "   Create file \"virtual_alias_maps\""
+if [[ ! -f /etc/postfix/virtual_alias_maps ]]; then
+	cat <<EOF > /etc/postfix/virtual_alias_maps
+# - File: /etc/postfix/virtual_alias_maps
+# -
+# - Redirect mail for one address to one or more addresses.
+# -
+# - Example:
+# -   # incomming address 'no-reply@cloud-01.oopen.de' to local 'do-not-reply' address
+# -   no-reply@cloud-01.oopen.de    do-not-reply
+# -
+
+EOF
+fi
+postmap btree:/etc/postfix/virtual_alias_maps
+if [[ $? -eq 0 ]] ; then
+   echo_ok
+else
+   echo_failed
+fi
+
+
 echononl "   Create file \"transport\""
 if [[ ! -f /etc/postfix/transport ]]; then
 	cat <<EOF > /etc/postfix/transport