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Re: enable VERP without changing the application's SMTP client

From: Yu (Irvin) Fan (fanyu41gmail.com)
Date: Wed Jul 23 2008 - 13:54:18 CDT


Hi Wietse,

Thanks for replying to my question. I did read that. But I didn't find
anything that is close to what I described. So I assume it's not possible.

-Irvin

On Wed, Jul 23, 2008 at 11:46 AM, Wietse Venema <wietseporcupine.org>
wrote:

> Yu (Irvin) Fan:
> > Hi,
> >
> > I'm new to this list. Please forgive me if this question has been asked.
>
> Actually, everything is supposed to be documented, so all you need
> is read the VERP_README file. http://www.postfix.org/VERP_README.html.
>
> Wietse
>
> > I have different applications running on multiple boxes. All applications
> > are sending email (using SMTP) to the same outgoing mail server. To use
> VERP
> > I have to change all applications to append the option "XVERP" to the
> "MAIL
> > FROM:<..>" command. Is there an easier way to do that? I mean can I do
> any
> > of the following?
> >
> > 1. Tell postfix to always VERP it no matter the client indicates or not?
> > 2. Send the email to the local box first and ask the local postfix to
> relay
> > it to the outgoing server. At the same time tell the local postfix to
> always
> > send the XVERP option when it relays the mail?
> > 3. Assume all applications send email to port 587 in the outgoing server.
> > Tell the postfix to route it back to itself (with XVERP option) at port
> 25?
> >
> >
> > #2 and #3 are basically the same idea, which is: is it possible to tell
> > postfix to always send the XVERP option when it sends email out with
> SMTP?
> >
> > Thanks in advance
> >
> > -Irvin
>
>