make quota work

deploy-chatmail/src/deploy_chatmail/dovecot/dovecot.conf.j2

@@ -4,11 +4,14 @@ protocols = imap lmtp
 
 auth_mechanisms = plain
 
-auth_verbose = yes
-auth_debug = yes
-auth_debug_passwords = yes
-auth_verbose_passwords = plain
-auth_cache_size = 100M
+mail_plugins = quota
+mail_debug = yes
+
+# uncomment this if you want to debug authentication and user creation
+#auth_verbose = yes
+#auth_debug = yes
+#auth_debug_passwords = yes
+#auth_verbose_passwords = plain
 
 # Authentication for system users.
 passdb {
@@ -60,13 +63,28 @@ mail_privileged_group = vmail
 # Enable IMAP COMPRESS (RFC 4978).
 # <https://datatracker.ietf.org/doc/html/rfc4978.html>
 protocol imap {
-  mail_plugins = $mail_plugins imap_zlib
+  mail_plugins = $mail_plugins imap_zlib imap_quota
+}
+
+protocol lmtp {
+  mail_plugins = $mail_plugins sieve quota
 }
 
 plugin {
   imap_compress_deflate_level = 6
 }
 
+plugin {
+  # for now we define static quota-rules for all users 
+  quota = maildir:User quota
+  quota_rule = *:storage=100M
+  quota_max_mail_size=30M
+  quota_grace = 0
+  quota_over_flag_value = TRUE
+}
+
+
+
 service lmtp {
   user=vmail
 

plan.txt

@@ -2,13 +2,10 @@
 
 ## Dovecot goals/steps
 
-2. (holger) per-user storage quota (adaptive)
-   a) define a static 100MB per-user quota
-
-3. automatic expiry of messages older than M days
+- automatic expiry of messages older than M days
    - delete unconditionally messages older than 40 days
 
-4. limit: max-connections per account
+- limit: configure max-connections per account
 
 
 ## Filtermail

scripts/get_imap_capabilities.py

@@ -7,7 +7,7 @@ domain = os.environ.get("CHATMAIL_DOMAIN", "c3.testrun.org")
 print("connecting")
 conn = imaplib.IMAP4_SSL(domain)
 print("logging in")
-conn.login(f"measure{time.time()}", "pass")
+conn.login(f"imapcapa", "pass")
 status, res = conn.capability()
 for capa in sorted(res[0].decode().split()):
     print(capa)