Re: rctpto rejection based on smtp verify?

Charlie Brady wrote:
> On Fri, 14 Jan 2011, Nicholas Lee wrote:
>    
>> Is there a plugin that will check rcpt addresses against a back end smtp
>> server?
>>      
>
> I presume you intend to eventually deliver to the same smtp backend, via
> the smtp-forward plugin.
>
> I've long argued that the smtp-forward plugin should hook into different
> phases of the transaction, and do the recipient validation directly
> against the backend:
>
> http://www.nntp.perl.org/group/perl.qpsmtpd/2008/11/msg8288.html
>    

I think it should be optional, but yeah. There are downsides (such as 
keeping open the SMTP connection with the backend), but it'd be nice if 
you could choose.

Matt.