plagger 500エラー

C:\strawberry\perl\work\plagger>plagger -c rss2emali.yaml
Plagger [info] plugin Plagger::Plugin::Subscription::Config loaded.
Plagger [info] plugin Plagger::Plugin::Publish::Gmail loaded.
Plagger [info] plugin Plagger::Plugin::Bundle::Defaults loaded.
Plagger [info] plugin Plagger::Plugin::Aggregator::Simple loaded.
Plagger [info] plugin Plagger::Plugin::Summary::Auto loaded.
Plagger [info] plugin Plagger::Plugin::Summary::Simple loaded.
Plagger [info] plugin Plagger::Plugin::Namespace::HatenaFotolife loaded.
Plagger [info] plugin Plagger::Plugin::Namespace::MediaRSS loaded.
Plagger [info] plugin Plagger::Plugin::Namespace::ApplePhotocast loaded.
Plagger::Plugin::Aggregator::Simple [info] Fetch http://feeds.feedburner.com/bulknews
Plagger::Cache [debug] Cache HIT: Aggregator-Simple|http://feeds.feedburner.com/bulknews
Plagger::Plugin::Aggregator::Simple [error] GET http://feeds.feedburner.com/bulknews failed: 500 Can
't connect to feeds.feedburner.com:80 (connect: timeout)
Plagger [error] http://feeds.feedburner.com/bulknews is not aggregated by any aggregator
Plagger::Plugin::Aggregator::Simple [info] Fetch http://bulknews.typepad.com/blog/atom.xml
Plagger::Cache [debug] Cache HIT: Aggregator-Simple|http://bulknews.typepad.com/blog/atom.xml

会社のWindowsに入れたら500エラーがでたが、なんのこたないプロキシエラーだった。
環境変数にHTTP_PROXY=････ 設定で解決