Bug#873051: exim4: Exim dumps binary into logfile for DKIM i= field.

[Andreas Metzler]

On 2017-08-24 Peter Chubb <peter.chubb at nicta.com.au> wrote:
> Package: exim4
> Version: 4.89-5
> Severity: normal

[...]
> -- System Information:
> Debian Release: buster/sid
>   APT prefers oldstable
>   APT policy: (990, 'oldstable'), (300, 'unstable')
> Architecture: amd64 (x86_64)
[...]

This is probably not causing the issue but your sources.list seems to be
very strange -  running oldstable and pulling selectively from sid.

cu Andreas
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