Enable quotas in dovecot

config/dovecot/dovecot.conf

@@ -4,6 +4,7 @@
 protocols = imap lmtp sieve
 postmaster_address = %{env:POSTMASTER_ADDRESS}
 hostname = %{env:MAIL_HOSTNAME}
+mail_plugins = $mail_plugins quota
 
 service dict {
   unix_listener dict {
@@ -91,6 +92,7 @@ service auth-worker {
 ###############
 
 protocol imap {
+  mail_plugins = $mail_plugins imap_quota
 }
 
 service imap-login {
@@ -119,6 +121,10 @@ service lmtp {
   }
 }
 
+plugin {
+  quota = maildir:User quota
+}
+
 
 ###############
 # Filtering