mock server, file and folder management

server/app/mailer/sending/smtp.py

@@ -8,6 +8,12 @@ from email.message import EmailMessage
 from email.utils import formataddr
 
 from app.mailer.campaign.models import SmtpConfig, TransportSecurity
+from app.mailer.dev.mock_mailbox import (
+    consume_fail_next_smtp,
+    get_failures,
+    is_mock_smtp_host,
+    record_smtp_delivery,
+)
 
 
 class SmtpConfigurationError(ValueError):
@@ -98,6 +104,15 @@ def test_smtp_login(*, smtp_config: SmtpConfig) -> SmtpLoginTestResult:
     """
 
     host, port = _require_smtp_config(smtp_config)
+    if is_mock_smtp_host(smtp_config.host):
+        host, port = _require_smtp_config(smtp_config)
+        return SmtpLoginTestResult(
+            host=host,
+            port=port,
+            security=smtp_config.security.value,
+            authenticated=bool(smtp_config.username and smtp_config.password),
+        )
+
     smtp = _open_smtp(smtp_config)
     try:
         return SmtpLoginTestResult(
@@ -165,6 +180,37 @@ def send_email_message(
     if not envelope_recipients:
         raise SmtpConfigurationError("at least one SMTP envelope recipient is required")
 
+    if is_mock_smtp_host(smtp_config.host):
+        if consume_fail_next_smtp():
+            raise SmtpSendError("Mock SMTP configured to fail the next send")
+        failures = get_failures()
+        reject_text = str(failures.get("smtp_reject_recipients_containing") or "").strip().lower()
+        refused: dict[str, tuple[int, bytes]] = {}
+        accepted = list(envelope_recipients)
+        if reject_text:
+            refused = {
+                recipient: (550, b"mock recipient rejected")
+                for recipient in envelope_recipients
+                if reject_text in recipient.lower()
+            }
+            accepted = [recipient for recipient in envelope_recipients if recipient not in refused]
+            if not accepted:
+                raise SmtpSendError(f"all mock SMTP recipients were refused: {_decode_refused(refused)}")
+        record_smtp_delivery(
+            message,
+            envelope_from=envelope_from,
+            envelope_recipients=accepted,
+            smtp_host=smtp_config.host,
+        )
+        return SmtpSendResult(
+            host=host,
+            port=port,
+            security=smtp_config.security.value,
+            envelope_from=envelope_from,
+            envelope_recipients=list(envelope_recipients),
+            refused_recipients=_decode_refused(refused),
+        )
+
     try:
         with _open_smtp(smtp_config) as smtp:
             refused = smtp.send_message(