sub imapd_refresh_ibx { # pi_config->each_inbox cb
my ($ibx, $imapd) = @_;
my $ngname = $ibx->{newsgroup} or return;
- if (ref $ngname) {
- warn 'multiple newsgroups not supported: '.
- join(', ', @$ngname). "\n";
- return;
- } elsif ($ngname =~ m![^a-z0-9/_\.\-\~\@\+\=:]! ||
- $ngname =~ /\.[0-9]+\z/) {
+
+ # We require lower-case since IMAP mailbox names are
+ # case-insensitive (but -nntpd matches INN in being
+ # case-sensitive
+ if ($ngname =~ m![^a-z0-9/_\.\-\~\@\+\=:]! ||
+ # don't confuse with 50K slices
+ $ngname =~ /\.[0-9]+\z/) {
warn "mailbox name invalid: newsgroup=`$ngname'\n";
return;
}