Bug#343085: exim4: Exim SMTP_AUTH hangs since today for important german provider (1und1)

[Florian Weimer]

* Jürgen Pfennig:

> Package: exim4
> Version: 4.54-2
> Severity: normal
>
> Since today "exim4 -qf -v" showed that the connection hangs after
> TLSSTART. The thing has worked well for several months before. An update
> from 4.50 (sarge) to 4.54 (test) to not solve the problem. After
> disabling TLS I can send mail again.

Have you installed the gnutls-bin package?  Our analysis suggests that
this is a known issue which has been mostly addressed in Exim version
4.52-2, but only if the gnutls-bin package has also been installed.