Check dovecot version greater

modoboa_installer/scripts/dovecot.py

@@ -60,7 +60,7 @@ class Dovecot(base.Installer):
         pw = pwd.getpwnam(self.user)
         dovecot_package = {"deb": "dovecot-core", "rpm": "dovecot"}
         ssl_protocol_parameter = "ssl_protocols"
-        if package.backend.get_installed_version(dovecot_package[package.backend.FORMAT]).startswith("2.3"):
+        if package.backend.get_installed_version(dovecot_package[package.backend.FORMAT]) > "2.3":
             ssl_protocol_parameter = "ssl_min_protocol"
         ssl_protocols = "!SSLv2 !SSLv3"
         if package.backend.get_installed_version("openssl").startswith("1.1") \

modoboa_installer/scripts/files/dovecot/conf.d/10-ssl.conf.tpl

@@ -8,7 +8,7 @@
 # Workarround https://github.com/modoboa/modoboa/issues/2570 
 # We try to load the key and pass if it fails
 # Keys require root permissions, standard commands would be blocked
-# by permissions
+# because dovecot can't load these cert
 !include_try = /etc/dovecot/conf.d/10-ssl-keys.try
 
 # If key file is password protected, give the password here. Alternatively