The IO::Socket::INET6 module is deprecated. --- Mail-SpamAssassin-4.0.1/Makefile.PL.orig +++ Mail-SpamAssassin-4.0.1/Makefile.PL @@ -378,7 +378,6 @@ 'IP::Country::Fast' => 0, 'Razor2::Client::Agent' => 2.61, 'IO::Socket::IP' => 0.09, - 'IO::Socket::INET6' => 0, 'IO::Socket::SSL' => 1.76, 'Compress::Zlib' => 0, 'Mail::DKIM' => 0.37, --- Mail-SpamAssassin-4.0.1/META.json.orig +++ Mail-SpamAssassin-4.0.1/META.json @@ -41,7 +41,6 @@ "Email::Address::XS" : "0", "Encode::Detect::Detector" : "0", "Geo::IP" : "0", - "IO::Socket::INET6" : "0", "IO::Socket::IP" : "0.09", "IO::Socket::SSL" : "1.76", "IO::String" : "0",