diff --git a/modoboa_installer/package.py b/modoboa_installer/package.py
index 841cda6..e4b00cc 100644
--- a/modoboa_installer/package.py
+++ b/modoboa_installer/package.py
@@ -53,9 +53,9 @@ class DEBPackage(Package):
         """Get installed package version."""
         code, output = utils.exec_cmd(
             "dpkg -s {} | grep Version".format(name), capture_output=True)
-        match = re.match(r"Version: \d:(.+)-\d", output.decode())
+        match = re.match(r"Version: (\d:)?(.+)-\d", output.decode())
         if match:
-            return match.group(1)
+            return match.group(2)
         return None
 
 
diff --git a/modoboa_installer/scripts/dovecot.py b/modoboa_installer/scripts/dovecot.py
index 1e1f086..37b5146 100644
--- a/modoboa_installer/scripts/dovecot.py
+++ b/modoboa_installer/scripts/dovecot.py
@@ -55,6 +55,9 @@ class Dovecot(base.Installer):
         """Additional variables."""
         context = super(Dovecot, self).get_template_context()
         pw = pwd.getpwnam(self.user)
+        ssl_protocols = "!SSLv2 !SSLv3"
+        if package.backend.get_installed_version("openssl").startswith("1.1"):
+            ssl_protocols = "!SSLv3"
         if "centos" in utils.dist_name():
             protocols = "protocols = imap lmtp sieve"
             extra_protocols = self.config.get("dovecot", "extra_protocols")
@@ -70,7 +73,8 @@ class Dovecot(base.Installer):
             "modoboa_dbname": self.config.get("modoboa", "dbname"),
             "modoboa_dbuser": self.config.get("modoboa", "dbuser"),
             "modoboa_dbpassword": self.config.get("modoboa", "dbpassword"),
-            "protocols": protocols
+            "protocols": protocols,
+            "ssl_protocols": ssl_protocols
         })
         return context
 
diff --git a/modoboa_installer/scripts/files/dovecot/conf.d/10-ssl.conf.tpl b/modoboa_installer/scripts/files/dovecot/conf.d/10-ssl.conf.tpl
index 93f4d9a..10c127b 100644
--- a/modoboa_installer/scripts/files/dovecot/conf.d/10-ssl.conf.tpl
+++ b/modoboa_installer/scripts/files/dovecot/conf.d/10-ssl.conf.tpl
@@ -41,7 +41,7 @@ ssl_key = <%tls_key_file
 #ssl_parameters_regenerate = 168
 
 # SSL protocols to use
-ssl_protocols = !SSLv2 !SSLv3
+ssl_protocols = %ssl_protocols
 
 
 # SSL ciphers to use