I happened to have a 10.10 server in my VirtualBox and can confirm this latest package does not change the postfix configuration.
root@ubuntu:/etc# git status # On branch master nothing to commit (working directory clean) root@ubuntu:/etc# apt-get install dovecot-common Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: dovecot-imapd dovecot-pop3d Suggested packages: ntp The following packages will be upgraded: dovecot-common dovecot-imapd dovecot-pop3d 3 upgraded, 0 newly installed, 0 to remove and 17 not upgraded. Need to get 7,866kB of archives. After this operation, 0B of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://archive.ubuntu.com/ubuntu/ maverick-proposed/main dovecot-pop3d amd64 1:1.2.12-1ubuntu8.3 [1,097kB] Get:2 http://archive.ubuntu.com/ubuntu/ maverick-proposed/main dovecot-imapd amd64 1:1.2.12-1ubuntu8.3 [1,204kB] Get:3 http://archive.ubuntu.com/ubuntu/ maverick-proposed/main dovecot-common amd64 1:1.2.12-1ubuntu8.3 [5,565kB] Fetched 7,866kB in 8s (980kB/s) (Reading database ... 42297 files and directories currently installed.) Preparing to replace dovecot-pop3d 1:1.2.12-1ubuntu8.2 (using .../dovecot-pop3d_1%3a1.2.12-1ubuntu8.3_amd64.deb) ... Unpacking replacement dovecot-pop3d ... Preparing to replace dovecot-imapd 1:1.2.12-1ubuntu8.2 (using .../dovecot-imapd_1%3a1.2.12-1ubuntu8.3_amd64.deb) ... Unpacking replacement dovecot-imapd ... Preparing to replace dovecot-common 1:1.2.12-1ubuntu8.2 (using .../dovecot-common_1%3a1.2.12-1ubuntu8.3_amd64.deb) ... dovecot stop/waiting Unpacking replacement dovecot-common ... Processing triggers for ureadahead ... Processing triggers for ufw ... Processing triggers for man-db ... Setting up dovecot-common (1:1.2.12-1ubuntu8.3) ... You already have ssl certs for dovecot. dovecot start/running, process 3434 Setting up dovecot-pop3d (1:1.2.12-1ubuntu8.3) ... Setting up dovecot-imapd (1:1.2.12-1ubuntu8.3) ... root@ubuntu:/etc# git status # On branch master nothing to commit (working directory clean) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to dovecot in Ubuntu. https://bugs.launchpad.net/bugs/715056 Title: invalid ssl-certificates in /etc/postfix/main.cf after security upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dovecot/+bug/715056/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs