feat: don't advertise special IMAP capabilities

chatmaild/src/chatmaild/config.py

@@ -31,7 +31,7 @@ class Config:
         self.max_user_send_per_minute = int(params.pop("max_user_send_per_minute", 60))
         self.max_user_send_burst_size = int(params.pop("max_user_send_burst_size", 10))
         self.max_mailbox_size = params.pop("max_mailbox_size", "500M")
-        self.max_message_size = int(params.pop("max_message_size", 52428800))
+        self.max_message_size = int(params.pop("max_message_size", 31457280))
         self.delete_mails_after = params.pop("delete_mails_after", "20")
         self.delete_large_after = params.pop("delete_large_after", "7")
         self.delete_inactive_users_after = int(

chatmaild/src/chatmaild/ini/chatmail.ini.f

@@ -22,7 +22,7 @@ mail_domain = {mail_domain}
 #max_mailbox_size = 500M
 
 # maximum message size for an e-mail in bytes
-#max_message_size = 52428800
+#max_message_size = 31457280
 
 # days after which mails are unconditionally deleted
 #delete_mails_after = 20

cmdeploy/src/cmdeploy/dovecot/dovecot.conf.j2

@@ -56,8 +56,6 @@ mail_server_admin = mailto:{{ config.privacy_mail }}
 # <https://doc.dovecot.org/2.3/configuration_manual/quota_plugin/>
 mail_plugins = zlib quota
 
-imap_capability = +XDELTAPUSH XCHATMAIL
-
 
 # Authentication for system users.
 passdb {

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

@@ -15,13 +15,6 @@ def test_init(tmp_path, maildomain):
     assert config.mail_domain_bare == maildomain
 
 
-def test_capabilities(imap):
-    imap.connect()
-    capas = imap.conn.capabilities
-    assert "XCHATMAIL" in capas
-    assert "XDELTAPUSH" in capas
-
-
 def test_login_basic_functioning(imap_or_smtp, gencreds, lp):
     """Test a) that an initial login creates a user automatically
     and b) verify we can also login a second time with the same password