get tests working on IPv4 only machine

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

@@ -80,10 +80,9 @@ filter    unix -        n       n       -       -       lmtp
 127.0.0.1:{{ config.postfix_reinject_port }} inet  n       -       n       -       100      smtpd
   -o syslog_name=postfix/reinject
   -o milter_macro_daemon_name=ORIGINATING
-{% if config.mail_domain == config.mail_domain_deliverable %}
-  -o smtpd_milters=unix:opendkim/opendkim.sock
-{% endif %}
   -o cleanup_service_name=authclean
+{% if config.mail_domain == config.mail_domain_deliverable %}  -o smtpd_milters=unix:opendkim/opendkim.sock
+{% endif %}
 
 # Local SMTP server for reinjecting incoming filtered mail 
 127.0.0.1:{{ config.postfix_reinject_port_incoming }} inet  n       -       n       -       100      smtpd

cmdeploy/src/cmdeploy/tests/online/test_0_login.py

@@ -92,12 +92,11 @@ def test_concurrent_logins_same_account(
 def test_no_vrfy(cmfactory, chatmail_config):
     ac = cmfactory.get_online_account()
     addr = ac.get_config("addr")
-    domain = chatmail_config.mail_domain
 
-    s = smtplib.SMTP(domain)
+    s = smtplib.SMTP(chatmail_config.mail_domain)
     s.starttls()
 
-    s.putcmd("vrfy", f"wrongaddress@{chatmail_config.mail_domain}")
+    s.putcmd("vrfy", f"wrongaddress@{chatmail_config.mail_domain_deliverable}")
     result = s.getreply()
     print(result)
     s.putcmd("vrfy", addr)

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

@@ -8,6 +8,7 @@ import pytest
 
 from cmdeploy import remote
 from cmdeploy.cmdeploy import get_sshexec
+from chatmaild.config import is_valid_ipv4
 
 
 class TestSSHExecutor:
@@ -21,6 +22,8 @@ class TestSSHExecutor:
         assert out == out2
 
     def test_perform_initial(self, sshexec, maildomain):
+        if is_valid_ipv4(maildomain):
+            pytest.skip(f"{maildomain} is not a domain")
         res = sshexec(
             remote.rdns.perform_initial_checks, kwargs=dict(mail_domain=maildomain)
         )

cmdeploy/src/cmdeploy/tests/online/test_2_deltachat.py

@@ -15,7 +15,7 @@ def imap_mailbox(cmfactory, ssl_context):
     (ac1,) = cmfactory.get_online_accounts(1)
     user = ac1.get_config("addr")
     password = ac1.get_config("mail_pw")
-    host = user.split("@")[1]
+    host = user.split("@")[1].strip("[").strip("]")
     mailbox = imap_tools.MailBox(host, ssl_context=ssl_context)
     mailbox.login(user, password)
     mailbox.dc_ac = ac1
@@ -178,7 +178,7 @@ def test_hide_senders_ip_address(cmfactory, ssl_context):
     chat.send_text("testing submission header cleanup")
     user2.wait_for_incoming_msg()
     addr = user2.get_config("addr")
-    host = addr.split("@")[1]
+    host = addr.split("@")[1].strip("[").strip("]")
     pw = user2.get_config("mail_pw")
     mailbox = imap_tools.MailBox(host, ssl_context=ssl_context)
     mailbox.login(addr, pw)

cmdeploy/src/cmdeploy/tests/plugin.py

@@ -10,7 +10,8 @@ import time
 from pathlib import Path
 
 import pytest
-from chatmaild.config import read_config
+from chatmaild.config import read_config, format_deliverable_domain, is_valid_ipv4
+
 
 conftestdir = Path(__file__).parent
 
@@ -61,6 +62,11 @@ def maildomain(chatmail_config):
     return chatmail_config.mail_domain
 
 
+@pytest.fixture(scope="session")
+def maildomain_deliverable(maildomain):
+    return format_deliverable_domain(maildomain)
+
+
 @pytest.fixture(scope="session")
 def sshdomain(maildomain):
     return os.environ.get("CHATMAIL_SSH", maildomain)
@@ -277,8 +283,7 @@ def gencreds(chatmail_config):
     next(count)
 
     def gen(domain=None):
-        domain = domain if domain else chatmail_config.mail_domain
-        addr_domain = f"[{domain}]" if _is_ip(domain) else domain
+        domain = domain if domain else chatmail_config.mail_domain_deliverable
         while 1:
             num = next(count)
             alphanumeric = "abcdefghijklmnopqrstuvwxyz1234567890"
@@ -317,7 +322,8 @@ class ChatmailACFactory:
 
     def _make_transport(self, domain):
         """Build a transport config dict for the given domain."""
-        addr, password = self.gencreds(domain)
+        domain_deliverable = format_deliverable_domain(domain)
+        addr, password = self.gencreds(domain_deliverable)
         transport = {
             "addr": addr,
             "password": password,
@@ -326,7 +332,7 @@ class ChatmailACFactory:
             "imapServer": domain,
             "smtpServer": domain,
         }
-        if self.chatmail_config.tls_cert_mode == "self":
+        if domain.startswith("_") or is_valid_ipv4(domain):
             transport["certificateChecks"] = "acceptInvalidCertificates"
         return transport
 
@@ -341,7 +347,8 @@ class ChatmailACFactory:
         accounts = []
         for _ in range(num):
             account = self.dc.add_account()
-            addr, password = self.gencreds(domain)
+            domain_deliverable = format_deliverable_domain(domain)
+            addr, password = self.gencreds(domain_deliverable)
             if _is_ip(domain):
                 # Use DCLOGIN scheme with explicit server hosts,
                 # matching how madmail presents its addresses to users.