my $spool = shift @ARGV or die usage();
my $recipient = $ENV{ORIGINAL_RECIPIENT};
defined $recipient or die usage();
-my $config = PublicInbox::Config->new;
-my $ibx = $config->lookup($recipient);
+my $cfg = PublicInbox::Config->new;
+my $ibx = $cfg->lookup($recipient);
my $git = $ibx->git;
my $im;
if ($ibx->version == 2) {