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<H1>[Mageia-dev] [RFC] msec (nail) can't send reports to local users accounts - require an MTA?</H1>
<B>nicolas vigier</B>
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TITLE="[Mageia-dev] [RFC] msec (nail) can't send reports to local users accounts - require an MTA?">boklm at mars-attacks.org
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<I>Wed Oct 19 01:15:06 CEST 2011</I>
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<PRE>On Tue, 18 Oct 2011, andre999 wrote:
><i> Balcaen John a écrit :
</I>>><i> Le lundi 17 octobre 2011 16:39:14 nicolas vigier a écrit :
</I>>><i> [...]
</I>>><i>
</I>>>><i> I think that :
</I>>>><i> - changing the default configuration in an update is wrong. If it's
</I>>>><i> better that msec do not send emails by default, I think this change
</I>>>><i> should be done in cauldron only, maybe with some note about this change
</I>>>><i> in the release notes for Mageia 2.
</I>>>><i>
</I>>><i> Agree.
</I>>><i>
</I>><i>
</I>><i> A question : wouldn't changing the default in _both_ cauldron and an update
</I>><i> to mga1 be acceptable ?
</I>
I think stable updates should not change defaults.
><i> Since I really think that sending messages silently to dead.letter,
</I>><i> gradually filling up the disk is a bug. (When I first discovered the
</I>><i> problem on my system a few years ago, dead.letter used about 1G of disk
</I>><i> space.)
</I>><i> That is what happens with the default setting, if an MTA is not installed.
</I>><i> At the default settings with an MTA installed, the root mailbox gradually
</I>><i> fills up the disk, if it is not emptied. And a less informed user is
</I>><i> unlikely to realise this.
</I>><i>
</I>><i> So it seems to me that as a minimum, the default should be changed to _not_
</I>><i> send alert emails. Since the status is visible on the main msec screen,
</I>><i> informed users should have no problem appropriately adjusting the setting.
</I>><i>
</I>><i> To deal with the potential problem of users who use the email alert feature
</I>><i> having it deactivated by the update, we only need a warning in the update,
</I>><i> as often occurs for other packages.
</I>
Updates should not require manual changes. And not everybody read the
update logs from urpmi. People can expect important changes when upgrading
to a new version of the distribution, and that's why there is release
notes to explain the important changes, but not for stable updates.
><i> Something like "If you use the msec alert emails, please verify that the
</I>><i> alerts are still active." Note that if the user has ever explicitly set
</I>><i> alerts, they would be still active.
</I>><i> This potential problem would exist even if the next update for the user is
</I>><i> mga2.
</I>><i> However, if the update is on mga2 (from changes in cauldron), wouldn't the
</I>><i> change in defaults be less visible ?
</I>><i>
</I>>>><i> - adding a require or suggest on dma is wrong, especially in an update
</I>>>><i> Installing dma with the update will silently replace /usr/sbin/sendmail
</I>>>><i> to use dma instead of the previously installed mta, potentially breaking
</I>>>><i> email for all programs using the sendmail command.
</I>>>><i>
</I>>><i> Hum, if i'm not wrong dma has the lower priority (5) in the alternatives for
</I>>><i> sendmail-command so it should not replace the default mta :
</I>>><i> postfix has 30 , sendmail has 10.
</I>>><i>
</I>>><i>
</I>><i> According to documentation, dma is only active if no other MTA is installed.
</I>><i> (I don't know if the priority is what causes this.)
</I>><i> So at worst dma would be a (very small) harmless extra install, at best it
</I>><i> would ensure the ability for local delivery.
</I>
Then dma could be installed by default on mageia 2, this would fix the
problem for all programs using the sendmail command, not only msec,
without adding a require on dma.
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