Duplicate suppression database is also used in the management of single instance store, which can be a big win. Please check the documentation for that to see why and how it may benefit your installation. http://cyrusimap.org/docs/cyrus-imapd/2.4.17/overview.php#singleinstance I believe it is also used by the sieve vacation feature, but could be wrong about that. Cheers, -nic On 01/10/2015 09:05 AM, Patrick Goetz wrote: > On 1/10/2015 5:51 AM, Robert Norris wrote: >> The major problem with it in my experience is that you might actually >> prefer the copy of the message that came through the list. For me that's >> usually because I wanted DKIM headers or similar. > The other problem is it involves adding computational infrastructure to > correct minor user-error behaviors, which (as a sometimes educator) I'm > opposed to philosophically. The MUA I use (Thunderbird) even includes a > "Reply List" button to prevent this. Thanks for that response. It's > very clear to me that I *don't* want this feature. FastMail is a > completely different use case, but I'm not sure I would turn it on > there, either. > > So, presumably if I use > > duplicatesuppression: 0 > > Then the duplicate_db skiplist won't even be created in the first place? > > > ---- > Cyrus Home Page: http://www.cyrusimap.org/ > List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ > To Unsubscribe: > https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus -- Nic Bernstein nic@xxxxxxxxxxx Onlight llc. www.onlight.com 219 N. Milwaukee St., Ste. 2A v. 414.272.4477 Milwaukee, Wisconsin 53202 f. 414.290.0335 ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus