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On Mon, 11 May 2009 19:33:39 +0100 Simon Waters wrote: > Grant Sewell wrote: > > > > Thanks, Al. We're looking into different tools to aid in our > > email-shots... potentially upto 20,000 recipients. Last time we did > > this it brought out current mail server to its knees. We're > > thinking about moving all mass-email functions to a separate, > > under-used machine (ie one that won't actually affect our users if > > it grinds to a halt), but if we're doing a big change like this we > > might as well look at alternatives for managing the list of > > recipients. > > I'm surprised it brought the machine to it's knees, that may be > mailman doing extra processing. The current setup doesn't include Mailman. The mail in question is generated by PHP and the contents are passed to the Linux "mail" command. We are trying to make the process as streamlined as possible, hence the inclusion of some software that's been written specifically for mass-mailing. Grant. -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html