Re: restricting servers: best practices

On Fri, Feb 18, 2005 at 06:59:32AM -0800, Brian Andrus wrote:

> smtpd_client_restrictions =
> ...
> reject_unknown_client,

This is not recommended except as a selective filter on selected
spammy netblocks.

> smtpd_helo_restrictions =
> ...
> reject_invalid_hostname,
> reject_unknown_hostname,
> reject_non_fqdn_hostname,

This is not recommended except as a selective filter on selected
spammy netblocks, or for mail with sender addresses in domains
that know better (freemail providers, ...)

--
Viktor.

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