Package: dovecot-common
Version: 1:1.1.11-4
Severity: minor

I had a custom SSL certificate from cacert.org installed for dovecot.  After
upgrading packages last night, I discovered that I could no longer connect to
my IMAP server - dovecot was spewing errors about a mismatch in the SSL key
file.  Upon further examination, I discovered that the certs/dovecot.pem file
had been overwritten and a new private/dovecot.pem added (my custom key file
was private/dovecot.key).  Since I had chosen to preserve my old config file,
dovecot was now trying to use the new certificate with the old key.  Some more
investigation revealed that dovecot-common's postinst script skips generating
an SSL certificate only if _both_ certs/dovecot.pem _and_ private/dovecot.pem
exist.  Since the latter wasn't present on my system, the script decided to
generate a new certificate.

I suggest that the postinst script is changed to skip certificate generation
if _either_ of those files exists, or a warning is added to the config file
about this potential trampling if only one file is renamed.

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.25 (SMP w/2 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=fi_FI.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages dovecot-common depends on:
ii  adduser               3.110              add and remove users and groups
ii  libbz2-1.0            1.0.5-1            high-quality block-sorting file co
ii  libc6                 2.9-4              GNU C Library: Shared libraries
ii  libcomerr2            1.41.3-1           common error description library
ii  libgssapi-krb5-2      1.6.dfsg.4~beta1-9 MIT Kerberos runtime libraries - k
ii  libk5crypto3          1.6.dfsg.4~beta1-9 MIT Kerberos runtime libraries - C
ii  libkrb5-3             1.6.dfsg.4~beta1-9 MIT Kerberos runtime libraries
ii  libldap-2.4-2         2.4.15-1           OpenLDAP libraries
ii  libmysqlclient15off   5.0.77-1           MySQL database client library
ii  libpam-runtime        1.0.1-7            Runtime support for the PAM librar
ii  libpam0g              1.0.1-7            Pluggable Authentication Modules l
ii  libpq5                8.3.6-1            PostgreSQL C client library
ii  libsqlite3-0          3.5.9-6            SQLite 3 shared library
ii  libssl0.9.8           0.9.8g-15          SSL shared libraries
ii  openssl               0.9.8g-15          Secure Socket Layer (SSL) binary a
ii  ucf                   3.0016             Update Configuration File: preserv
ii  zlib1g                1:1.2.3.3.dfsg-13  compression library - runtime

dovecot-common recommends no packages.

Versions of packages dovecot-common suggests:
ii  ntp                     1:4.2.4p6+dfsg-1 Network Time Protocol daemon and u
ii  ntpdate                 1:4.2.4p6+dfsg-1 client for setting system time fro

-- no debconf information



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