diff -Nur qpsmtpd-0.84/plugins/tls qpsmtpd-0.84_bz8726/plugins/tls
--- qpsmtpd-0.84/plugins/tls	2014-12-10 22:30:01.359000000 +0100
+++ qpsmtpd-0.84_bz8726/plugins/tls	2014-12-10 22:33:38.215000000 +0100
@@ -74,6 +74,7 @@
     $self->tls_key($key);
     $self->tls_ca($ca);
     $self->tls_ciphers($self->qp->config('tls_ciphers') || 'HIGH');
+    $self->tls_version($self->qp->config('tls_version') || 'TLSv1');
     
     Qpsmtpd->varlog(LOGINFO, "init", "tls", "ciphers: ".$self->tls_ciphers);
 
@@ -84,6 +85,7 @@
         SSL_key_file => $self->tls_key,
         SSL_ca_file => $self->tls_ca,
         SSL_cipher_list => $self->tls_ciphers,
+        SSL_version => $self->tls_version,
         SSL_server => 1
     ) or die "Could not create SSL context: $!";
     # now extract the password...
@@ -180,6 +182,7 @@
             SSL_key_file => $self->tls_key,
             SSL_ca_file => $self->tls_ca,
             SSL_cipher_list => $self->tls_ciphers,
+            SSL_version => $self->tls_version,
             SSL_server => 1,
             SSL_reuse_ctx => $self->ssl_context,
         ) or die "Could not create SSL socket: $!";
@@ -236,6 +239,12 @@
     $self->{_tls_ciphers};
 }
 
+sub tls_version {
+    my $self = shift;
+    @_ and $self->{_tls_version} = shift;
+    $self->{_tls_version};
+}
+
 sub ssl_context {
     my $self = shift;
     @_ and $self->{_ssl_ctx} = shift;
@@ -282,6 +291,7 @@
                 SSL_key_file => $self->{_stashed_plugin}->tls_key,
                 SSL_ca_file => $self->{_stashed_plugin}->tls_ca,
                 SSL_cipher_list => $self->{_stashed_plugin}->tls_ciphers,
+                SSL_version => $self->{_stashed_plugin}->tls_version,
                 SSL_startHandshake => 0,
                 SSL_server => 1,
                 SSL_reuse_ctx => $self->{_stashed_plugin}->ssl_context,