On Tue, Aug 6, 2013 at 11:44 AM, Dan Mahoney, System Admin <danm@xxxxxxxxxxxxxxx> wrote: > On Mon, 5 Aug 2013, Paul Lesniewski wrote: > >> On Mon, Aug 5, 2013 at 2:17 PM, Dan Mahoney <danm@xxxxxxxxxxxxxxx> wrote: >>> >>> Answers inline. >>> >>> Sent from my iPad >>> >>> On Aug 5, 2013, at 9:21, Paul Lesniewski <paul@xxxxxxxxxxxxxxxx> wrote: >>> >>>>> * Finally, on a hunch, I disabled the "filters" plugin. Access came >>>>> back >>>>> to normal. I'm still not sure that this "solved the problem" but my >>>>> user >>>>> is happy, so I'm sticking with it. >>>> >>>> >>>> Have you tried sniffing the IMAP port? You could watch the full IMAP >>>> conversation and perhaps get a better idea of where things break down. >>>> However, it's quite well documented on the lists and our website that >>>> the filters plugin is bad news. If you're not doing server side, >>>> delivery time filtering, you're asking for problems. The other thing >>>> to check is how much incoming mail such users have and how many >>>> filters they have and whether or not they have chosen to filter only >>>> unread mail. >>> >>> >>> I did, both by putting imapd in most-debug mode, as well as with TCPdump. >>> Per my original post, the conversation actually stops between PHP and imap >>> while things spin -- forever, even on a new TCP connection. I still don't >>> understand why that would block me from hitting login.php again, and getting >>> a new login prompt, that still feels broken. >>> >>> I also would say that if this plugin is such Bad News, then perhaps it >>> shouldn't ship with base. >> >> >> The Filters plugin doesn't have issues just hanging without >> explanation. That's going to be something in your system that's Bad >> News. > > > You may be right, but as I couldn't get the debug plugin to work correctly, The Debug plugin won't help because your web server is hanging. > I can't tell where it is. As stated, conversations between the imapd and > php just stopped. I'm happy to let correlation imply causation and say "I > had a big problem, it stopped when I turned this off". Given, this may be > like saying "I only hear my brakes squeal when I turn off the radio", but in > this case, the squeaky thing is the users, and they're no longer > complaining. The Filters plugin is used widely and you are the first person I've ever heard having this type of problem with it. As far as I can tell, you have configuration defaults or mail volumes that are making the IMAP or web server choke (I already gave you suggestions re: these things) in a way that is particular to your system only. >>> People use the SM filters because it's the interface that's available to >>> them -- I also have usermin on this system, and suspect I'm going to want to >>> hack up the "filters" plugin to basically add a pointer to usermin's >>> procmail module, or see if I can get one of the ones that actually handles >>> your procmail rules for you working. >> >> Did you even read the link I pointed you to? > > Yes, and it was what caused me to try turning off filters to try and > alleviate this. My main reason for posting was to get the symptoms > documented in case anyone else hits a similar problem. You missed the part that explains what the alternatives are. You don't need to hack usermin into SquirrelMail. -- Paul Lesniewski SquirrelMail Team Please support Open Source Software by donating to SquirrelMail! http://squirrelmail.org/donate_paul_lesniewski.php ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk ----- squirrelmail-users mailing list Posting guidelines: http://squirrelmail.org/postingguidelines List address: squirrelmail-users@xxxxxxxxxxxxxxxxxxxxx List archives: http://news.gmane.org/gmane.mail.squirrelmail.user List info (subscribe/unsubscribe/change options): https://lists.sourceforge.net/lists/listinfo/squirrelmail-users
