> On Tue, February 15, 2011 9:21 am, Ramprasad wrote: >> Hi, >> >> >> On our cyrus 2.3.7 servers we are seeing legitimate mails getting >> duplicate eliminated. Some users continue to use non-compliant clients >> which >> use duplicate message-ids. >> >> Is it possible to auto-expire records in deliver.db after say 3 hours >> so that these losses could be minimized ... the current minimum is 1 day >> AFAIK >> >> >> I cannot switch off duplicate elimination because that would cause >> problems to all other users too. >> >> >> (I know I should tell users to upgrade email clients .. but that is not >> going to work in reality ) > > > Ram, > > > Correct. > > Outlook/Exchange is known for reusing message ids upon a resend action > by the user. Other mail clients may be equally broken in this area but > I haven't come across any of those yet. Now there is a good chance this feature will show up on your next Nokia phone as well :) > > Upgrading your own users (accomplished by switching to most Open Source or > even Apple products) will do the trick, but this wouldn't help you in this > particular case because the faulty header line is created by their corres- > pondants (which is potentially the whole planet's population). There is a possible workaround. You can configure a separate smtp server which is used by the broken clients to submit messages, and there you configure the MTA to always replace the Message-ID by a newly created one. Simon ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
