[PATCH] improve readability in SMTP::auth_parse_respond

improve readability in SMTP::auth_parse_respond

---
lib/Qpsmtpd/SMTP.pm |   17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/lib/Qpsmtpd/SMTP.pm b/lib/Qpsmtpd/SMTP.pm
index 7c126dd..3df02f1 100644
--- a/lib/Qpsmtpd/SMTP.pm
+++ b/lib/Qpsmtpd/SMTP.pm
@@ -265,26 +265,25 @@ sub auth_parse_respond {
     unless ($ok == OK);

   $mechanism = lc($mechanism);
-    

   #they AUTH'd once already
   return $self->respond( 503, "but you already said AUTH ..." )
-      if ( defined $self->{_auth}
-        and $self->{_auth} == OK );
+      if ( defined $self->{_auth} && $self->{_auth} == OK );
+
   return $self->respond( 503, "AUTH not defined for HELO" )
     if ( $self->connection->hello eq "helo" );
+
   return $self->respond( 503, "SSL/TLS required before AUTH" )
     if ( ($self->config('tls_before_auth'))[0] 
-      	and $self->transaction->notes('tls_enabled') );
+        && $self->transaction->notes('tls_enabled') );

-    # if we don't have a plugin implementing this auth mechanism, 504
+    # we don't have a plugin implementing this auth mechanism, 504
   if( exists $auth_mechanisms{uc($mechanism)} ) {
     return $self->{_auth} = Qpsmtpd::Auth::SASL( $self, $mechanism, @stuff );
-    } else {
-      $self->respond( 504, "Unimplemented authentification mechanism: $mechanism" );
-      return DENY;
-    } 
+    };

+    $self->respond( 504, "Unimplemented authentification mechanism: $mechanism" );
+    return DENY;
}

sub mail {
-- 
1.7.9.6