Hello Cyrus-imap friends, On Wed, Jul 09, 2014 at 12:05:02PM +0200, Willy Offermans wrote: > Hello Ram and Cyrus-imap friends, > > On Wed, Jul 09, 2014 at 03:06:16PM +0530, Ram wrote: > > On 07/09/2014 02:49 PM, Willy Offermans wrote: > > >Hello Ram and Cyrus-imap friends, > > > > > > > > >On Wed, Jul 09, 2014 at 01:32:50PM +0530, Ram wrote: > > >>Currently I use pam with pam_mysql for authenticating cyrus accounts > > >>But I frequently run into the issue of mysql connections exceeding limit. > > >> > > >>Can I simply use something like Memcached or Redis to authenticate users > > >> > > >> > > >> > > >You could also simply increase the connections limit in MySQL. > > I did .. I have now set it to unreasonable limits. > > But I think that is not a good idea anyway. > > > > Most of these these webmail products they really jam the imap > > servers with too many authentication requests > > I run cyrus-sasl with caching on but still see too many connections > > going to mysql servers , when actually they are not needed at all > > > > > > >I cannot > > >get to my notes at the moment, but I'm pretty sure that you find the needed > > >info somewhere on the net. duckduckgo is your friend as long as Google is > > >tracking your interests. > > > > > If this is the case, then one should look to these authentication requests > as well. If they are not necessary, then the amount of requests should be > drastically decreased. > > As a matter of fact, our imap-server also requests a lot of > authentications. It will be about 200 times an hour per user. I noticed > this before and I never understood why, but it also never led to an unworkable > situation. So I did not spent much time on it. > I had another look to it and figured out that the amount of requests strongly depends on the used e-mail client. In that case it is worth to investigate the option imapproxyd in more detail, since the choice of e-mail client cannot be dictated. -- Met vriendelijke groeten, With kind regards, Mit freundlichen Gruessen, De jrus wah, Wiel ************************************* W.K. Offermans Powered by .... (__) \\\'',) \/ \ ^ .\._/_) www.FreeBSD.org ---- 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