Create /etc/postfix/sql

Signed-off-by: René Jochum <rene@jochum.dev>

Readme.md

@@ -15,13 +15,23 @@ ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO postfix;
 - MYDOMAIN
 - SUBNET
 - RELAYNETS
+- RELAYHOST - outgoing relay
 - SQL_TYPE - either `pgsql` or `mysql`
 - SQL_USER - readonly Database user
 - SQL_PASSWORD
 - SQL_HOST
 - SQL_DATABASE
 - MESSAGE_SIZE_LIMIT - defaults to 52428800
-- REJECT_UNLISTED_RECIPIENT - "yes" or "no"
+
+## Volumes
+
+### Overrides
+
+- Can contain overrides for config templates/files
+
+### cert
+
+- Must contain ca.crt, tls.crt, tls.key
 
 ## Links
 

start.py

@@ -25,6 +25,8 @@ if "MESSAGE_SIZE_LIMIT" not in os.environ:
 if "DOVECOT_HOST" not in os.environ:
     os.environ['DOVECOT_HOST'] = 'dovecot'
 
+os.mkdir('/etc/postfix/sql')
+
 for postfix_file in glob.glob("/conf/*.cf"):
     destination = os.path.join("/etc/postfix", os.path.basename(postfix_file))
     shutil.copyfile(postfix_file, destination)
@@ -46,7 +48,7 @@ if os.path.exists("/overrides/postfix.master"):
         if is_valid_postconf_line(line):
             os.system('postconf -Me "{}"'.format(line))
 
-os.system("/usr/libexec/postfix/post-install meta_directory=/etc/postfix create-missing")
+os.system("/usr/lib/postfix/sbin/post-install meta_directory=/etc/postfix create-missing")
 # Before starting postfix, we need to check permissions on /queue
 # in the event that postfix,postdrop id have changed
 os.system("postfix set-permissions")