sub sieve_util_set_flagfile
{
my($relay_dir,$home_dir,$filename,@lock) = @_;
my $filelock;

foreach my $filelock (@lock)
{

    if (my $ftp = Net::FTP->new($filelock))
    {
	    #die "Cannot login: $@ "unless $ftp;

	    # Log into the server
	    $ftp->login ("$uid", "$pass");

		    # Change to the right directory
		    $ftp->cwd ("$relay_dir");

		    # Change to binary transfer mode     
			    $ftp->binary;

			    @check_dir = $ftp->ls($relay_dir);

	     if ($ftp->put($filename,$flag_file))
	     {
	     $ftp->quit;
	     }
	     else
	     {
	     sieve_util_generic_error ("Unable to put $flag_file in $relay_dir. The file is not locked from other users.");
	     }	  
     }
       else
       {
       next;
       }
  }#end foreach
return ($uid,$pass,$filelock);
}