mailserver - modernize code and add missing config example parts

seqs/mailserver.cfg.example

@@ -2,20 +2,40 @@
 
 # MAS = Mail Server
 
-MAS_DOMAIN="mydomain.com"
-MAS_RELAYHOST=
-MAS_RELAYUSER=
-MAS_RELAYPASS=
+readonly MAS_DOMAIN="mydomain.com"
+readonly MAS_RELAYHOST=
+readonly MAS_RELAYUSER=
+readonly MAS_RELAYPASS=
 
-MAS_DBUSER='pfa'
-MAS_DBPASS='pass'
-MAS_DBNAME='pfa_db'
-MAS_mysql_virtual_domains_maps="user = '\$MAS_DBUSER'
-password = '\$MAS_DBPASS'
-hosts = localhost
-dbname = '\$MAS_DBNAME'
-query = SELECT domain FROM domain WHERE domain='%s' AND active = '1'
+# Settings for virtualizing mailboxes and domains
+
+readonly MAS_DBUSER='pfa'
+readonly MAS_DBPASS='pass'
+readonly MAS_DBNAME='pfa_db'
+readonly MAS_DBHOST='localhost'
+readonly MAS_VIRTUAL_USER='vmail'
+readonly MAS_VIRTUAL_USER_ID='5000'
+readonly MAS_VIRTUAL_FOLDER_BASE='/var/vmail'
+readonly MAS_VIRTUAL_USER_PART="user=$MAS_DBUSER
+password=$MAS_DBPASS
+hosts=$MAS_DBHOST
+dbname=$MAS_DBNAME"
+
+MAS_mysql_virtual_domains_maps="query = SELECT domain FROM domain WHERE domain='%s' AND active = '1'
 #query = SELECT domain FROM domain WHERE domain='%s'
 #optional query to use when relaying for backup MX
 #query = SELECT domain FROM domain WHERE domain='%s' AND backupmx = '0' AND active = '1'
 #expansion_limit = 100"
+
+MAS_mysql_virtual_mailbox_maps="query = SELECT maildir FROM mailbox WHERE username='%s' AND active = '1'
+#expansion_limit = 100"
+
+MAS_mysql_virtual_alias_domain_mailbox_maps="query = SELECT maildir FROM mailbox,alias_domain WHERE alias_domain.alias_domain = '%d' and mailbox.username = CONCAT('%u', '@', alias_domain.target_domain) AND mailbox.active = 1 AND alias_domain.active='1'"
+
+MAS_mysql_virtual_alias_maps="query = SELECT goto FROM alias WHERE address='%s' AND active = '1'
+#expansion_limit = 100"
+
+MAS_mysql_virtual_alias_domain_maps="query = SELECT goto FROM alias,alias_domain WHERE alias_domain.alias_domain = '%d' and alias.address = CONCAT('%u', '@', alias_domain.target_domain) AND alias.active = 1 AND alias_domain.active='1'"
+
+MAS_mysql_virtual_alias_domain_catchall_maps="# handles catch-all settings of target-domain
+query = SELECT goto FROM alias,alias_domain WHERE alias_domain.alias_domain = '%d' and alias.address = CONCAT('@', alias_domain.target_domain) AND alias.active = 1 AND alias_domain.active='1'"