tests: SMTPDataError doesn't have recipients

ARCHITECTURE.md

@@ -48,3 +48,19 @@ graph LR;
 The edges in this graph should not be taken too literally; they
 reflect some sort of communication path or dependency relationship
 between components of the chatmail server.
+
+## Message between users on the same relay
+
+```mermaid
+graph LR;
+    chatmail core --> |465|smtps/smtpd;
+    chatmail core --> |587|submission/smtpd;
+    smtps/smtpd --> |10080|filtermail;
+    submission/smtpd --> |10080|filtermail;
+    filtermail --> |10025|smtpd reinject;
+    smtpd reinject --> cleanup;
+    cleanup --> qmgr;
+    qmgr --> smtpd accepts message;
+    qmgr --> |lmtp|dovecot;
+    dovecot --> chatmail core;
+```

CHANGELOG.md

@@ -11,6 +11,9 @@
 - Update iroh-relay to 0.35.0
   ([#650](https://github.com/chatmail/relay/pull/650))
 
+- postfix: accept whole mail before passing it to filtermail
+  ([#673](https://github.com/chatmail/relay/pull/673))
+
 - filtermail: accept mails from Protonmail
   ([#616](https://github.com/chatmail/relay/pull/655))
 

cmdeploy/src/cmdeploy/postfix/master.cf.j2

@@ -31,6 +31,7 @@ submission inet n       -       y       -       5000    smtpd
   -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
   -o milter_macro_daemon_name=ORIGINATING
   -o smtpd_client_connection_count_limit=1000
+  -o smtpd_proxy_options=speed_adjust
   -o smtpd_proxy_filter=127.0.0.1:{{ config.filtermail_smtp_port }}
 smtps     inet  n       -       y       -       5000    smtpd
   -o syslog_name=postfix/smtps
@@ -48,6 +49,7 @@ smtps     inet  n       -       y       -       5000    smtpd
   -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
   -o smtpd_client_connection_count_limit=1000
   -o milter_macro_daemon_name=ORIGINATING
+  -o smtpd_proxy_options=speed_adjust
   -o smtpd_proxy_filter=127.0.0.1:{{ config.filtermail_smtp_port }}
 #628       inet  n       -       y       -       -       qmqpd
 pickup    unix  n       -       y       60      1       pickup

cmdeploy/src/cmdeploy/tests/online/test_1_basic.py

@@ -195,9 +195,8 @@ def test_exceed_rate_limit(cmsetup, gencreds, maildata, chatmail_config):
         except smtplib.SMTPException as e:
             if i < chatmail_config.max_user_send_per_minute:
                 pytest.fail(f"rate limit was exceeded too early with msg {i}")
-            outcome = e.recipients[user2.addr]
-            assert outcome[0] == 450
-            assert b"4.7.1: Too much mail from" in outcome[1]
+            assert e.smtp_code == 450
+            assert b"4.7.1: Too much mail from" in e.smtp_error
             return
     pytest.fail("Rate limit was not exceeded")