On 6/28/07, Randy Barlow <randy@electronsweatshop.com> wrote:
So I'm running postfix on Gentoo, and have been doing so happily since
about November.  Until today I got a rejection for relayed mail notice
from Road Runner.  I read on their site that this happens when your IP
address sends more than 1000 e-mails in 24 hours.

You have problems with client restrictions.
It is very weird that spammer haven't attacked your server since November.

Try the following:

smtpd_helo_required = yes
disable_vrfy_command = yes
unknown_hostname_reject_code = 550
smtpd_recipient_restrictions =
        permit_mynetworks,
        permit_sasl_authenticated,
        reject_non_fqdn_hostname,
        reject_non_fqdn_sender,
        reject_non_fqdn_recipient,
        reject_invalid_hostname,
        reject_unknown_sender_domain,
        reject_unknown_recipient_domain,
        permit_mx_backup,
        reject_unauth_pipelining,
        reject_unauth_destination,
        check_relay_domains,
        reject

Or just
smtpd_recipient_restrictions =
        permit_mynetworks,
        permit_sasl_authenticated,
        check_relay_domains,
        reject

--
Vladimir Rusinov
GreenMice Solutions: IT-решения на базе Linux
http://greenmice.info/