This is a Mailman mailing list bounce action notice:

    List: curl-library
    Member: ionlyusethisaddressforlists_at_gmail.com
    Action: Subscription disabled.
    Reason: Excessive or fatal bounces.
    

The triggering bounce notice is attached below.

Questions? Contact the Mailman site administrator at
mailman_at_cool.haxx.se.

attached mail follows:

The original message was received at Tue, 27 Oct 2009 23:57:09 +0100
from localhost.localdomain [127.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<ionlyusethisaddressforlists_at_gmail.com>
    (reason: 550 5.2.1 The email account that you tried to reach is disabled. 1si892702bwz.13)

   ----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
>>> DATA
<<< 550 5.2.1 The email account that you tried to reach is disabled. 1si892702bwz.13
550 5.1.1 <ionlyusethisaddressforlists_at_gmail.com>... User unknown
... while talking to gourmet7.spamgourmet.com.:
<<< 421 Too many concurrent SMTP connections; please try again later.
<libcurl.50.nsd_at_spamgourmet.com>,<curllib.20.zoydgm_at_spamgourmet.com>... Deferred: 421 Too many concurrent SMTP connections; please try again later.