On Tue, Mar 17, 2009 at 10:01:53AM -0400, Charles Marcus wrote:
> On 3/17/2009 9:43 AM, Erwan David wrote:
> > You may generate the pcre file with a line
> > /recipient_([...@_]+)@localdomain/ recipient+$...@localdomain
> >
> > for each valid recipient. This would preserve the validation of
> > recipient at RCPT TO stage.
>
> Interesting... and maybe a good candidate for my first usable scripting
> attempt.
Perl is the natural choice for this:
$ echo u...@example.com |
domain=example.com perl -lpe '
s{^(.*)\...@\q$env{domain}\e$}
{/^\Q$1\E_(.*)\...@\q$env{domain}\e\$/
$1+\${...@$env{domain}}o;'
/^user_(.*)@example\.com$/ user+$...@example.com
In practice instead of "echo ... |" Perl would read a list of addresses from
a file. The "\Q...\E" construct is the critical ingredient for quoting PCRE
special characters in the address localpart and domain.
--
Viktor.
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