Bug#467137: Error message about TLS packet with unexpected length due to usage of DNS alias name of mail server.

[Andreas Metzler]

On 2009-05-12 Raoul Bönisch <jkl345 at alice-dsl.net> wrote:
[...]
> Obviously smtp.alice-dsl.net is an alias dns name while
> out.alice-dsl.net is its canonical name.

> I put in the canonical smtp server name in the exim4 configuration
> and the problem was solved. The mail gets thru without the error
> message.
[...]
> My guess is that exim4 looks up the canonical name and tries to
> check it against the configuration file /etc/exim4/passwd.client to
> find login and password. When using the alias dns name in this file,
> exim4 doesn't find any login and password.
[...]
> At least there should be a hint to this problem in the documentation
> and the advice to check DNS names of mail servers and try them to
> get things working.
[...]

See exim4-config_files(5). ;-)
cu andreas