only do a smtp beforequeue-handler, also simplifies the send-rate-limiting test and improves DC behaviour

deploy-chatmail/src/deploy_chatmail/__init__.py

@@ -34,26 +34,7 @@ def _install_chatmaild() -> None:
             commands=[f"pip install --break-system-packages {remote_path}"],
         )
 
-        files.put(
-            name="upload doveauth-dictproxy.service",
-            src=importlib.resources.files("chatmaild")
-            .joinpath("doveauth-dictproxy.service")
-            .open("rb"),
-            dest="/etc/systemd/system/doveauth-dictproxy.service",
-            user="root",
-            group="root",
-            mode="644",
-        )
-        systemd.service(
-            name="Setup doveauth-dictproxy service",
-            service="doveauth-dictproxy.service",
-            running=True,
-            enabled=True,
-            restarted=True,
-            daemon_reload=True,
-        )
-
-        for fn in ("filtermail-after", "filtermail-before"):
+        for fn in ("doveauth-dictproxy", "filtermail-before", ):
             files.put(
                 name=f"upload {fn}.service",
                 src=importlib.resources.files("chatmaild")

deploy-chatmail/src/deploy_chatmail/postfix/master.cf.j2

@@ -77,7 +77,5 @@ scache    unix  -       -       y       -       1       scache
 postlog   unix-dgram n  -       n       -       1       postlogd
 filter    unix -        n       n       -       -       lmtp
 # Local SMTP server for reinjecting filered mail.
-localhost:10026 inet  n       -       n       -       10      smtpd
-        -o content_filter=filter:unix:private/filtermail-afterqueue
-localhost:10027 inet  n       -       n       -       10      smtpd
+localhost:10025 inet  n       -       n       -       10      smtpd
         -o content_filter=