Bug#774553: exim4: Do not scan outgoing mail for spam

[Marc Haber]

On Wed, Jul 12, 2017 at 10:59:22PM +0200, Alexander Wirt wrote:
> On Sun, 04 Jan 2015, Andreas Metzler wrote:
> > On 2015-01-04 Rainer Dorsch <ml at bokomoko.de> wrote:
> > > Package: exim4
> > > Version: 4.84-6
> > > Severity: wishlist
> > > Tags: patch
> > 
> > > Dear Maintainer,
> > 
> > > I am running exim since a few years and scanned incoming and
> > > outgoing mails for spam, where outgoing does not make a lot of sense
> > > or even hurts. 
> > [...]
> > 
> > I tend to disagree here. - Scanning outgoing mails to avoid spreading
> > viruses sent by infectected users makes sense.
> jftr, it dies hurt to add the spamassassin report to outgoing mails. Those
> mails does are rfc2822 conform any more. Debian listserver will discard such
> mails. SA Report should not get added to mail leaving the server.

In which point does the adding of X-Headers violate RFC822?

Additionally, the patch given in this bug report will not help in the
case where a message is accepted by exim as a relay from a permitted IP
range as it will only exempt authenticated mail.

So, the question is, how do we determine that a message is "outgoing"
not from exim's point of view, but from the _site's_ point of view.

In addition, the headers in question seem to be added by Amavis, not by
exim, right?

Greetings
Marc

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