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Bug#862652: debian-edu-config: wrong exim4 configuration breaks SMTP server security



Package: debian-edu-config
Version: 1.926 1.818+deb8u2
Severity: seious

Hi,

while testing if Thunderbird works like expected in Debian Edu Stretch, 
I noticed that the provided exim4 server configuration 
(/etc/exim4/exim-ldap-server-v4.conf) is leading to a broken SMTP 
server: sending mail is possible w/o authentication, TLS is missing.
Only possible SMTP settings are:
(1) No connection security
(2) No authentification

These issues are caused by exim4 security fix for CVE-2016-1531 and
commit 4beb721 (master branch, fix for #794602).

Jessie is affected as well (both issues, same fixes needed).

Wolfgang

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