* Mark Sapiro <m...@msapiro.net>: > On 10/18/18 1:01 AM, Ralf Hildebrandt wrote: > > > > This caused all other mail via Mailman to be more or less stalled. Is > > there a way of assigning priorities to lists, like giving all lists > > "normal" priority and large lists "low" priority? > > > > OTOH sending small mails to large lists is ok, so maybe the product of > > "size_of_mail" and "number_of_list_recipients" could be used to adjust > > the priority accordingly.... > > > The architecture of both Mailman 2.1 and Mailman 3 doesn't really allow > for this to be done too easily. Messages are queued for delivery in a > FIFO queue for the outgoing runner(s). Slicing the queue space into > multiple ranges for multiple runners doesn't solve the problem as other > messages in the range with the "big" message will still have to wait.
Yeah, exactly what I encountered. > What could be done is to create multiple outgoing queues, say normal_out > and big_out and then have separate instances of the outgoing runner > processing the two queues. Then the handler that queues outgoing > messages could decide which queue based on whatever criteria are desired. > > This wouldn't make the "big" message wait until after the normal > messages were all processed, but the "big" message would be processed by > a separate process and the normal messages wouldn't have to wait for it > to complete. That's something! > I don't think it would be too difficult to implement this, but my advice > would be to use content filtering and maximum message size to prevent > the problem which could have been easily avoided in this case by making > the attachment web accessible and including only a link in the post. Yes, *I* would have done this (especially since this allows to change the PDF AFTER it had been sent...) > Note that if your list owners don't understand the importance of maximum > message size, there is for Mailman 2.1 an example handler that > implements a global maximum at > <https://www.msapiro.net/scripts/GlobalTooBig.py>. Will look at this. -- Ralf Hildebrandt Charite Universitätsmedizin Berlin ralf.hildebra...@charite.de Campus Benjamin Franklin https://www.charite.de Hindenburgdamm 30, 12203 Berlin Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155 ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org