On Tue, Mar 17, 2009 at 03:52:27PM CET, Victor Duchovni
<victor.ducho...@morganstanley.com> said:
> 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.
I would have used ruby, but it is equivalent modulo your knowledge of
either language.
--
Erwan
