Postfix Errors on Fordwarding from webmaster@

[GuS]

Hi guys,

I've recently installed ISPcp on new fresh Kubuntu Lucid.

I am seing a weird error (actually when a notification mail is being sent) when a email from webmaster@ to another account if forwarded (which is to a outside account):

Quote:ug 4 16:14:40 distal-mx amavis[11043]: (11043-01) Passed CLEAN, <webmaster@distal-mx.distalnet.com> -> <gustavo.diaz@fierro-soft.com.ar>, Message-ID: <20100804191435.91C3130008B@distal-mx.distalnet.com>, mail_id: 2FrkeQJeCvO0, Hits: -0.001, size: 859, queued_as: 80633300089, 5088 ms
Aug 4 16:14:40 distal-mx amavis[11043]: (11043-01) (!!)TROUBLE in process_request: Error writing a SMTP response to the socket: Tuber\303\255a rota at (eval 112) line 987, <GEN33> line 32.
Aug 4 16:14:40 distal-mx amavis[11043]: (11043-01) (!)Requesting process rundown after fatal error
Aug 4 16:14:40 distal-mx postfix/smtpd[11203]: disconnect from localhost.localdomain[127.0.0.1]

But, the mail was sent in that example. It happens only on this cases. What does means?

Thanks.