Author: Russell King Date: To: Jeremy Harris CC: exim-users Subject: Re: [exim] exim 4.82 - callouts with smtp auth
On Mon, Aug 04, 2014 at 10:27:43PM +0100, Jeremy Harris wrote: > On 04/08/14 21:57, Russell King wrote:
> > Let's say that you wish to use callout verification between various hosts
> > which you control, and you also wish to use SMTP auth between them. Let's
> > also say that you use per-host secrets as well, and you look them up via
> > this authenticator:
> >
> > cram:
> > driver = cram_md5
> > public_name = CRAM-MD5
> > client_name = ${extract{1}{.}{$primary_hostname}}
> > client_secret = ${lookup{$host}lsearch{/etc/exim/host/auth-client}{$value}fail}
> >
> > This works fine for normal SMTP messages, and it also works fine with
> > exim 4.76.
> >
> > However, with 4.82, $host is empty when a verification SMTP
> > conversation is being run, and if you have the smtp transport set with
> > hosts_require_auth for these hosts, the callout now fails. This is a
> > regression from previous versions.
> >
> > src/verify.c could do with not NULLing the deliver_host etc after
> > router lookup, but only after the verification for the target host
> > has finished - indeed, ensuring that deliver_host is set for the
> > smtp_auth() call fixed the problem I was seeing.
>
> Thanks for spotting this.
>
> http://bugs.exim.org/show_bug.cgi?id=1514 opened to track the issue.
