In the meantime I got the permanent error back: 

Delivery to the following recipient failed permanently:

    cpan-testers-discuss-subscribe@lists.perl.org

Technical details of permanent failure:
The recipient server did not accept our requests to connect. Learn more at http://mail.google.com/support/bin/answer.py?answer=7720
lists.perl.org (1): Connection timed out

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From: Markus Baertschi <markus@markus.org>
Date: Fri, 26 Feb 2010 12:57:16 +0100
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Markus

In reply to Re^4: CPAN mailing lists by markus_b
in thread CPAN mailing lists by markus_b

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