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Re: [discuss] Apache2 proxy open relay
From: Matti Airas (mairasiki.fi)
Date: Wed Oct 22 2003 - 03:15:45 CDT
On Wed, 2003-10-22 at 08:01, Martin Fahrendorf wrote:
> Yep, that is known. you can disable this in postfix by setting
> smtpd_data_restrictions = reject_unauth_pipelining
> in main.cf.
Thanks for the information. I wonder do you have any pointers to share
about the matter? Our lab server is running Red Hat and sendmail, and
I'd like to be able to give our admin information how to secure it
against such attacks as well.