There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

GetCurrentUser

To use the gnupg-secured mail gateway, you need to do the following:

Set up a gnupgp key directory with a pubring containing only the keys you care about and specify the following in your SiteConfig.pm

Set($RT::GPGKeyDir, "/path/to/keyring-directory"); @RT::MailPlugins = qw(Auth::MailFrom Auth::GnuPG Filter::TakeAction);