On Mon, Apr 30, 2012 at 11:58:18AM +0200, Carsten Hey wrote: > * Russ Allbery [2012-04-29 17:32 -0700]: > > Adam Borowski <kilobyte@angband.pl> writes: > > > On Sun, Apr 29, 2012 at 10:50:45PM +0200, Carsten Hey wrote: > > > > >> Looks like the DragonFly Mail Agent (dma), which already has been > > >> mentioned in this thread, could become a decent default for Wheezy+1 > > >> after some small changes. > > >> > > >> In a nutshell: it's able to deliver locally and remotely, has a queue, > > >> supports TLS/SSL, does not listen on port 25 and instead of running as > > >> daemon, it if run every 5 minutes via cron to flush the queue. > > If dma would be the default MTA, then it should IMHO be as reliable as > possible and even try to prevent user errors. If a user would > unintentionally enables deferred mode (which is useful if you are behind > a dial-up line) but would not set up dma -q to run periodically, then > the mails would not be delivered without such a default cronjob. > A comment that reminds users to adapt the cronjob if needed should be > added to the config file. If dma -q is run every 5 minutes be default > anyway, the option -bq does not make that much sense anymore; this can > possibly be solved by implementing different ways of processing queued > mails. All in all, enabling the cronjob by default, as it is already > done in Debian, seems to be sane. Not on a laptop or any machine that has to conserve power and avoid unnecessary wakeups / disk spin-ups. A cronjob every 5 minutes means you need to start up the process, which adds quite a bit of churn. Worse, it will spam the logs, and since at least auth.log is fsync()ed after every write, it needs to spin up the disk. That's too big a price for a MTA on a system that typically goes months or years without a single mail. -- // If you believe in so-called "intellectual property", please immediately // cease using counterfeit alphabets. Instead, contact the nearest temple // of Amon, whose priests will provide you with scribal services for all // your writing needs, for Reasonable and Non-Discriminatory prices.
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