ovirt in version 4.2 choose to incorporate postfix as a mandatory MTA:

yum erase postfix ... Removing: postfix x86_64 2:2.10.1-6.el7 @base 12 M Removing for dependencies: cockpit-ovirt-dashboard noarch 0.11.28-1.el7 @ovirt-4.2 15 M ovirt-host x86_64 4.2.3-1.el7 @ovirt-4.2 11 k ovirt-hosted-engine-setup noarch 2.2.22.1-1.el7 @ovirt-4.2 2.2 M Is there a way to change that ? It's not about postfix being inferior or superior to other solutions. It's that it didn't ask any thing, didn't check if one was already installed. It's just installed. For example: rpm -q --provides postfix MTA config(postfix) = 2:2.10.1-6.el7 postfix = 2:2.10.1-6.el7 postfix(x86-64) = 2:2.10.1-6.el7 server(smtp) smtpd smtpdaemon rpm -q --provides sendmail MTA config(sendmail) = 8.14.7-5.el7 sendmail = 8.14.7-5.el7 sendmail(x86-64) = 8.14.7-5.el7 server(smtp) smtpdaemon There is a lot of other dependencies to declare other than postfix, MTA would have been better.

I agree, and suggest to open an RFE on ovirt-host (and elsewhere? didn't check) to change the Requires:. On what product: https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt I don't know which one to choose.

There is a lot of other dependencies to declare other than postfix, MTA would have been better. I agree, and suggest to open an RFE on ovirt-host (and elsewhere? didn't check) to change the Requires:. ovirt-host have a lot of dependencies:

rpm -q --requires ovirt-host NetworkManager-config-server cockpit cockpit-dashboard cockpit-machines-ovirt cockpit-networkmanager cockpit-ovirt-dashboard dracut-fips firewalld glusterfs-rdma ipa-client katello-agent mailx net-snmp net-snmp-utils ovirt-host-dependencies = 4.2.3-1.el7 ovirt-hosted-engine-setup ovirt-provider-ovn-driver postfix python-firewall rng-tools rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(FileDigests) <= 4.6.0-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1 screen sysstat tcpdump vdsm-hook-ethtool-options vdsm-hook-fcoe vdsm-hook-openstacknet vdsm-hook-vfio-mdev vdsm-hook-vhostmd vdsm-hook-vmfex-dev Many of thee are useless depending of your setup.

rng-tools, for example, but my hardware don't provides any of the needed random generators. screen, tcpdump ? I'm quite surprised. glusterfs-rdma, I'm not doing glusterfs, and I don't have any hardware to do rdma

> Le 4 juil. 2018 à 11:03, Yedidyah Bar David <didi(a)redhat.com&gt; a écrit : > > On Wed, Jul 4, 2018 at 11:04 AM, Fabrice Bacchella > <fabrice.bacchella(a)orange.fr&gt; wrote: >> ovirt in version 4.2 choose to incorporate postfix as a mandatory MTA: > > This was added in 4.0, AFAIU: > > https://bugzilla.redhat.com/show_bug.cgi?id=1301966 > > IMHO the bug is somewhat incorrect. HA sends its email using smtplib, > which IIUC does not require a local /usr/sbin/sendmail . Indeed, the > default is to send through 'localhost:25', and for this to work you > need some MTA listening there. But admins might find it perfectly > reasonable to not have any sendmail locally, although this is the unix > tradition, and configure everything to send through a remote MTA. > hosted-engine --deploy already asks about this, so should be easy to > do there. Other common stuff, such as crond, also allow doing this. So > ideally, if the admin accepts the default 'localhost:25', the script > should try to connect there (perhaps also if user provides custom > values?), and if it fails, or if the other side does not look like an > MTA (e.g. does not accept a HELO or EHLO, not sure what's the best > way), prompt, and if 'localhost', suggest to install some MTA. But > email is a hard problem, not sure how complex we need to make the > setup script... > >> >> yum erase postfix >> ... >> Removing: >> postfix x86_64 >> 2:2.10.1-6.el7 @base 12 M >> Removing for dependencies: >> cockpit-ovirt-dashboard noarch >> 0.11.28-1.el7 @ovirt-4.2 15 M >> ovirt-host x86_64 >> 4.2.3-1.el7 @ovirt-4.2 11 k >> ovirt-hosted-engine-setup noarch >> 2.2.22.1-1.el7 @ovirt-4.2 2.2 M >> >> Is there a way to change that ? It's not about postfix being inferior or >> superior to other solutions. It's that it didn't ask any thing, didn't check >> if one was already installed. It's just installed. >> >> For example: >> rpm -q --provides postfix >> MTA >> config(postfix) = 2:2.10.1-6.el7 >> postfix = 2:2.10.1-6.el7 >> postfix(x86-64) = 2:2.10.1-6.el7 >> server(smtp) >> smtpd >> smtpdaemon >> >> rpm -q --provides sendmail >> MTA >> config(sendmail) = 8.14.7-5.el7 >> sendmail = 8.14.7-5.el7 >> sendmail(x86-64) = 8.14.7-5.el7 >> server(smtp) >> smtpdaemon >> >> There is a lot of other dependencies to declare other than postfix, MTA >> would have been better. > > I agree, and suggest to open an RFE on ovirt-host (and elsewhere? > didn't check) to change the Requires:. > > Seems like the thing we want to require is 'server(smtp)': > > https://fedoraproject.org/wiki/Features/ServerProvides > > Best regards, Done: https://bugzilla.redhat.com/show_bug.cgi?id=1598085

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