v5: support plus address extensions

.gitea/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
         repo:
           - eumau/postfix
         tag:
-          - "4"
+          - "5"
     steps:
       -
         name: Set up QEMU

Dockerfile

@@ -25,6 +25,8 @@ ENV POSTSCREEN_DNSBL_THRESHOLD="3"
 ENV POSTSCREEN_DNSBL_WHITELIST_THRESHOLD="-1"
 ENV POSTSCREEN_ENABLE=no
 ENV POSTSCREEN_GREET_ACTION="enforce"
+ENV PROPAGATE_UNMATCHED_EXTENSIONS="canonical, virtual"
+ENV RECIPIENT_DELIMITER="+"
 ENV RELAYHOST=""
 ENV SMTP_FALLBACK_RELAY=""
 ENV SMTP_SASL_AUTH_ENABLE=""

confd/conf.d/setup_main.toml

@@ -10,6 +10,8 @@ keys = [
 "/myhostname",
 "/mynetworks",
 "/mynetworks/style",
+"/propagate/unmatched/extensions",
+"/recipient/delimiter",
 "/smtp/tls/security/level",
 "/smtpd/client/restrictions",
 "/smtpd/data/restrictions",

confd/templates/setup_main.tmpl

@@ -40,6 +40,8 @@ postconf alias_maps=hash:/etc/aliases
 {{ with getv "/myhostname" }}postconf myhostname='{{.}}'{{ end }}
 {{ with getv "/mynetworks" }}postconf mynetworks='{{.}}'{{ end }}
 {{ with getv "/mynetworks/style" }}postconf mynetworks_style='{{.}}'{{ end }}
+{{ with getv "/propagate/unmatched/extensions" }}postconf propagate_unmatched_extensions='{{.}}'{{ end }}
+{{ with getv "/recipient/delimiter" }}postconf recipient_delimiter='{{.}}'{{ end }}
 {{ with getv "/smtp/tls/security/level" }}postconf smtp_tls_security_level='{{.}}'{{ end }}
 {{ with getv "/smtpd/client/restrictions" }}postconf smtpd_client_restrictions='{{.}}'{{ end }}
 {{ with getv "/smtpd/data/restrictions" }}postconf smtpd_data_restrictions='{{.}}'{{ end }}