Re: [exim] Exim not sending NMS FormMail messages

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Author: David Woodhouse
Date:  
To: Bruce Kallick
CC: exim-users
Subject: Re: [exim] Exim not sending NMS FormMail messages
On Fri, 2004-09-03 at 17:43 -0500, Bruce Kallick wrote:
> So it seems that Exim is rejecting the message because it finds no valid
> senders (even though <postmaster@???> should be a valid sender).
> Indeed, if I uncheck the box in the WHM Exim Configuration Editor labeled
> "Verify the existence of email senders" the problem goes away -- but this
> is too big a price to pay, I believe.


If Exim is verifying the sender by attempting to send a bounce to it,
then it's entirely reasonable for mail.domain.com to reject it, if
postmaster@??? doesn't ever actually _send_ any mail. See recent
discussions on this list though.

I've just tested, though, and the only MX host for 'domain.com' does
seem to accept bounces to postmaster. So either it's not that, or
they've changed their behaviour recently. Or did you gratuitously
obscure the data in the log which you posted, to make it harder for
people to help you? If so, please don't read any further -- I don't want
to help you at all.

> I'm guessing that there might be a simple fix by adding some directive to
> the Exim configuration file, but I don't know enough to mess around with
> that. If one of the aficionados here might be so kind as to tell me what I
> might try without hurting myself, using the advanced mode of the WHM Exim
> Configuration Editor, I'd be ever so grateful.


Others have surmised that you are using 'verify = header_sender'. Turn
that off and verify only the _envelope_ sender. If you verify the
address(es) in the From: header, and do so with an empty sender in your
own callout, then you'll probably reject this mail too.

--
dwmw2