Re: Open-Relay

Subject: Re: Open-Relay
From: Wietse Venema (wietseporcupine.org)
Date: Mon Jan 03 2000 - 08:55:23 CST

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Alex Miller:
[from the FAQ]
> The next best way is to use plain old SMTP and to authenticate the user
> first, for example, with a "please login via POP before using SMTP" scheme.
> In that case,
> some non-Postfix software such as DRAC maintains a Postfix-compatible access
> table with client IP address information:
>
> /etc/postfix/main.cf:
> smtpd_recipient_restrictions =
> permit_mynetworks
> check_client_access hash:/etc/postfix/client_access
> check_relay_domains
>
> /etc/postfix/client_access:
> 4.3.2.1 OK
> 5.4.3.2 987654321
>
> ------------------------
> How does DRAC interact with postfix? Is it the check_relay_domains
> parameter?

See above. It may be possible that DRAC generates btree tables instead
of hash table, but that is a detail.

        Wietse

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