Bug#660949: exim4-config: exim4 cannot be installed due to an 'Invalid new configfile'

[Adam D. Barratt]

On Wed, 2012-02-22 at 21:36 -0500, Kai Boenke wrote:
> When installing exim4 dpkg reports:
> 
> --- Console output ---
> Setting up exim4-config (4.72-6+squeeze2) ...
> 2012-02-22 21:28:03 Exim configuration error in line 866 of /var/lib/exim4/config.autogenerated.tmp:
>   Unexpected end of configuration file: .endif missing
> 2012-02-22 21:28:03 Exim configuration error in line 866 of /var/lib/exim4/config.autogenerated.tmp:
>   Unexpected end of configuration file: .endif missing
> 2012-02-22 21:28:03 Exim configuration error in line 866 of /var/lib/exim4/config.autogenerated.tmp:
>   Unexpected end of configuration file: .endif missing
[...]
> dc_other_hostnames='lantan.selune\'

This looks odd, particularly the backslash.  What did you enter in the
"Other destinations for which mail is accepted" configuration dialog?
What are the contents of the file "/etc/mailname"?

Regards,

Adam