> Le 4 juil. 2018 à 11:03, Yedidyah Bar David <didi@redhat.com> a écrit :
>
> On Wed, Jul 4, 2018 at 11:04 AM, Fabrice Bacchella
> <fabrice.bacchella@orange.fr> 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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