On Tue, Sep 30, 2008 at 09:27:59PM -0600, David DeFranco wrote:
> According to the man page I can't do regular expression substitution in
> transport maps with Postfix 2.3 or later.
>
> The trivial-rewrite(8) server disallows regular expression
> substitution of $1 etc. in regular expression lookup
> tables, because that could open a security hole (Postfix
> version 2.3 and later).
>
> Is there a way to override this setting or am I stuck running Postfix 2.2?
Are you using regexp keys to resolve to a *fixed* transport:nexthop or
regexp keys with sub-patterns to resolve to a dynamic transport:nexthop?
The latter is not safe, and is far too likely to lead to security issues.
So if you really need substitutions, you are out of luck.
--
Viktor.
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