On Mon, Dec 14, 2009 at 01:09:45PM -0500, Victor Duchovni wrote:
> The relay_domains match list is subject to parent domain matching,
> and because it defaults to $mydestination, will by default include
> sub-domains of domains listed in $mydestination. This backwards
> compatibility should be turned off by all users who don't need it:
>
> # Empty
> relay_domains =
> # Or
> relay_domains = <explicit list of domains you want>
>
> Best practice is to not use the default value for this parameter.
A lot of folks run into this issue. Will a change of the default be
considered, perhaps with the Postfix 2.7 release?
Along the same line, what about parent_domain_matches_subdomains ?
"This is planned backwards compatibility: eventually, all Postfix
features are expected to require explicit '.domain.tld' style
patterns when you really want to match subdomains." When is
eventually? :)
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