root@shard:~# aptitude install bm-mailbox-role
The following NEW packages will be installed:
bm-conf{a} bm-cyrus{a} bm-cyrus-imapd{a} bm-jdk{a} bm-lmtpd{a} bm-mailbox-role bm-maintenance-snzip{a} bm-maintenance-tools{a} bm-milter{a} bm-node{a} bm-pimp{a} bm-postfix{ab}
bm-postgresql{a} bm-tika{a} bm-ysnp{a} db-util{a} db5.3-util{a} emacs25-bin-common{a} emacs25-common{a} emacs25-el{a} emacs25-nox{a} emacsen-common{a} iftop{a} keyutils{a}
libasound2{a} libasound2-data{a} libgnutls-openssl27{a} libgpgme11{a} libjansson4{a} liblockfile-bin{a} liblockfile1{a} libnfsidmap2{a} libpq5{a} libsensors4{a} libtirpc1{a}
libtokyocabinet9{a} libxi6{a} libxrender1{a} libxtst6{a} mutt{a} nfs-common{a} pgdg-keyring{a} postfix{ab} postgresql-9.6{a} postgresql-client-9.6{a} postgresql-client-common{a}
postgresql-common{a} postgresql-contrib-9.6{a} rpcbind{a} sasl2-bin{a} ssl-cert{a} ssmtp{ab} sysstat{a} x11-common{a}
0 packages upgraded, 54 newly installed, 0 to remove and 0 not upgraded.
Need to get 356 MB of archives. After unpacking 706 MB will be used.
The following packages have unmet dependencies:
ssmtp : Est en conflit avec: mail-transport-agent which is a virtual package, provided by:
- postfix (3.3.0-1ubuntu0.2), but 3.3.0-1ubuntu0.2 is to be installed
- exim4-daemon-light (4.90.1-1ubuntu1.1), but it is not going to be installed
- exim4-daemon-heavy (4.90.1-1ubuntu1.1), but it is not going to be installed
- ssmtp (2.64-8ubuntu2), but 2.64-8ubuntu2 is to be installed
- sendmail-bin (8.15.2-10), but it is not going to be installed
- qmail-run (2.0.2+nmu1), but it is not going to be installed
- opensmtpd (6.0.3p1-1build1), but it is not going to be installed
- nullmailer (1:2.1-5), but it is not going to be installed
- msmtp-mta (1.6.6-1), but it is not going to be installed
- masqmail (0.3.4-1build1), but it is not going to be installed
- lsb-invalid-mta (9.20170808ubuntu1), but it is not going to be installed
- esmtp-run (1.2-15), but it is not going to be installed
- dma (0.11-1build1), but it is not going to be installed
- courier-mta (0.78.0-2ubuntu2), but it is not going to be installed
- citadel-server (917-2), but it is not going to be installed
- postfix (3.3.0-1), but 3.3.0-1ubuntu0.2 is to be installed
- exim4-daemon-light (4.90.1-1ubuntu1), but it is not going to be installed
- exim4-daemon-heavy (4.90.1-1ubuntu1), but it is not going to be installed
postfix : Est en conflit avec: mail-transport-agent which is a virtual package, provided by:
- postfix (3.3.0-1ubuntu0.2), but 3.3.0-1ubuntu0.2 is to be installed
- exim4-daemon-light (4.90.1-1ubuntu1.1), but it is not going to be installed
- exim4-daemon-heavy (4.90.1-1ubuntu1.1), but it is not going to be installed
- ssmtp (2.64-8ubuntu2), but 2.64-8ubuntu2 is to be installed
- sendmail-bin (8.15.2-10), but it is not going to be installed
- qmail-run (2.0.2+nmu1), but it is not going to be installed
- opensmtpd (6.0.3p1-1build1), but it is not going to be installed
- nullmailer (1:2.1-5), but it is not going to be installed
- msmtp-mta (1.6.6-1), but it is not going to be installed
- masqmail (0.3.4-1build1), but it is not going to be installed
- lsb-invalid-mta (9.20170808ubuntu1), but it is not going to be installed
- esmtp-run (1.2-15), but it is not going to be installed
- dma (0.11-1build1), but it is not going to be installed
- courier-mta (0.78.0-2ubuntu2), but it is not going to be installed
- citadel-server (917-2), but it is not going to be installed
- postfix (3.3.0-1), but 3.3.0-1ubuntu0.2 is to be installed
- exim4-daemon-light (4.90.1-1ubuntu1), but it is not going to be installed
- exim4-daemon-heavy (4.90.1-1ubuntu1), but it is not going to be installed
bm-postfix : Est en conflit avec: ssmtp but 2.64-8ubuntu2 is to be installed
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) ssmtp [Not Installed]
Accept this solution? [Y/n/q/?] Y | 
