Keld Simonsen:
> > > > Another approach is to use VERP which sends one message per
> > > > recipient and encodes the recipent in the bounce address.
> > > >
> > > > See http://www.postfix.org/VERP_README.html
> > >
> > > I am trying the VERP way, and have a little difficulty to understand what
> > > to do.
> > >
> > > I understand that there are two phases in the setup:
> > >
> > > 1. have sendmail generate an extended reply address,
> > > with the recipient added to the reply address, after a delimiter,
> > > which by default is "+" . the recepient address is added with the
> >
> > Where does VERP_README say that SENDMAIL must generate a
> > specially-formatted sender address?
>
> I don't know. It was just my understanding that this was the way
> it worked. Or: that the bounce address was specifically generated
> per message - and that the "-XV" option to sendmail was the
> mechanism for triggering this behaviour.
>
> The VERP_README says:
>
> > In order to make VERP useful with majordomo etc. mailing lists, you would
> > configure the list manager to submit mail according to one of the following
> > two forms:
> >
> > Postfix 2.3 and later:
> >
> > % sendmail -XV -f owner-listname other-arguments...
Yes. When the documentation says this, then that is what
you are supposed to do.
> Can I use VERP without specifically generated bounce addresses?
> How do I then identify the problem adressee - which possibly has
> a mutated address?
If you could scroll down a few lines from the "sendmail -XV" example,
then you will find all this spelled out in detail. Including the
part that says how the failed recipient address comes back:
With this set up, undeliverable mail for u...@domain will be
returned to the following address:
owner-listname+user=dom...@your.domain
I can lead the horse to the water but I can't force it to drink.
Wietse
