Yang Zhang:
> Are there any extensions to Postfix that can aggregate multiple
> outgoing emails into a single email within some time window?
...
> aggregating messages together into a periodic digest that is emitted
> at most once per minute. Any other (low-effort) solution ideas would
> be appreciated as well.
Wietse:
> Aggregate at the SOURCE: append all alerts to a file. Use a
> once-per-minute cron job to rename the file and send out the alerts.
This will send mail once per minute as long as there was an alert.
Victoriano Giralt:
> Another idea: use a mailing list daemon with the ability to send digest
> messages based on volume (i.e.: send the digest message when there have
> been N messages received by the list) like Mailman or Sympa.
This will not send any mail at all while there are less than N alerts.
Wietse
