Re: number of users

2014-07-02 Thread Jonathan Tripathy
On 2014-07-02 15:04, Reindl Harald wrote: Am 02.07.2014 16:01, schrieb ihab: i using roundcube with dovecot, i have a question if there is possible to know the number of users that using the mail system (in other word the online users) no - how do you imagine that? * roundcube is a

Re: number of users

2014-07-02 Thread Jonathan Tripathy
On 2014-07-02 15:16, Reindl Harald wrote: Am 02.07.2014 16:10, schrieb Jonathan Tripathy: On 2014-07-02 15:04, Reindl Harald wrote: Am 02.07.2014 16:01, schrieb ihab: i using roundcube with dovecot, i have a question if there is possible to know the number of users that using the mail

Re: [Dovecot] Virtual Servers

2011-06-27 Thread Jonathan Tripathy
I hope this is a lightly used server and does not do any real level of mail traffic else you'll soon regret running in any VM :) Don't mean to start a flame war, but your statement above is just simply inaccurate. The main difference between a virtual server and a physical server is that

Re: [Dovecot] Virtual Servers

2011-06-27 Thread Jonathan Tripathy
On 28/06/2011 02:21, Jonathan Tripathy wrote: I hope this is a lightly used server and does not do any real level of mail traffic else you'll soon regret running in any VM :) Don't mean to start a flame war, but your statement above is just simply inaccurate. The main difference between

Re: [Dovecot] Best Cluster Storage

2011-01-14 Thread Jonathan Tripathy
On 14/01/11 20:07, Eric Rostetter wrote: Quoting Patrick Westenberg p...@wk-serv.de: just to get it right: DRBD for shared storage replication is OK? Yes, but only if done correctly. ;) There is some concern on Stan's part (and mime) that you might do it wrong (e.g., in a vm guest rather

Re: [Dovecot] Best Cluster Storage

2011-01-14 Thread Jonathan Tripathy
On 14/01/11 19:00, Stan Hoeppner wrote: Jonathan Tripathy put forth on 1/13/2011 4:17 PM: Regarding the servers, I was thinking of having a 2 node drbd cluster (in active+standby), which would export a single iSCSI LUN. Then, I would have a 2 node dovecot+postfix cluster (in active-active

Re: [Dovecot] Best Cluster Storage

2011-01-14 Thread Jonathan Tripathy
On 15/01/11 00:59, Eric Shubert wrote: On 01/14/2011 03:58 PM, Jonathan Tripathy wrote: On 14/01/11 19:00, Stan Hoeppner wrote: Jonathan Tripathy put forth on 1/13/2011 4:17 PM: Regarding the servers, I was thinking of having a 2 node drbd cluster (in active+standby), which would export

Re: [Dovecot] Best Cluster Storage

2011-01-14 Thread Jonathan Tripathy
On 15/01/11 01:14, Brad Davidson wrote: -Original Message- I'm sorry I don't follow this. It would be appreciated if you could include a simpler example. The way I see it, a VM disk is just a small chunck LVM LV in my case of a real disk. Perhaps if you were to compare and contrast

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
On 13/01/11 10:57, Stan Hoeppner wrote: Jonathan Tripathy put forth on 1/13/2011 2:24 AM: Ok so this is interesting. As long as I use Postfix native delivery, along with Dovecot director, NFS should work ok? One has nothing to do with the other. Director doesn't touch smtp (afaik), only

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
On 13/01/11 10:57, Stan Hoeppner wrote: Jonathan Tripathy put forth on 1/13/2011 2:24 AM: Ok so this is interesting. As long as I use Postfix native delivery, along with Dovecot director, NFS should work ok? One has nothing to do with the other. Director doesn't touch smtp (afaik), only

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
On 13/01/11 21:34, Stan Hoeppner wrote: Jonathan Tripathy put forth on 1/13/2011 7:11 AM: Would DRBD + GFS2 work better than NFS? While NFS is simple, I don't mind experimenting with DRBD and GFS2 is it means fewer problems? Depends on your definition of better. If you do two dovecot+drbd

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
Either way, I would probably use a crossover cable for the DRBD cluster. I use 2 1Gb links bonded together, over crossover cables... Could maybe even bond 2 cables together if I'm feeling adventurous! Yes, recommended. That is what I do on all my clusters. How do you bond the

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
Does gfs2 guarantee integridy withou anm fency device ? You make a fair point. Would I need any hardware fencing for DRBD (and GFS2)?

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
On 14/01/11 03:39, Eric Rostetter wrote: Quoting Henrique Fernandes sf.ri...@gmail.com: for drbd you only need a heartbeat i guess. Fencing is not needed for drbd, though recommended. But to use gfs2 you need fence device, ocfs2 does not require once, like the ocfs2 driver takes care, it

Re: [Dovecot] Best Cluster Storage

2011-01-13 Thread Jonathan Tripathy
On 14/01/11 03:26, Eric Rostetter wrote: Quoting Jonathan Tripathy jon...@abpni.co.uk: Either way, I would probably use a crossover cable for the DRBD cluster. I use 2 1Gb links bonded together, over crossover cables... Could maybe even bond 2 cables together if I'm feeling adventurous

[Dovecot] Best Cluster Storage

2011-01-12 Thread Jonathan Tripathy
Hi Everyone, I wish to create a Postfix/Dovecot active-active cluster (each node will run Postfix *and* Dovecot), which will obviously have to use central storage. I'm looking for ideas to see what's the best out there. All of this will be running on multiple Xen hosts, however I don't think

[Dovecot] Multiple Authentication Databases

2011-01-11 Thread Jonathan Tripathy
Hi Everyone, I wish to run Dovecot on my Front End outbound mail relay, and use Dovecot purely for authentication purposes. However, each mysql database for each domain will be on a separate server. Is there a way for dovecot to authenticate against different databases depending on domain

[Dovecot] Multiple Authentication Databases

2011-01-11 Thread Jonathan Tripathy
Hi Everyone, I wish to run Dovecot on my Front End outbound mail relay, and use Dovecot purely for authentication purposes. However, each mysql database for each domain will be on a separate server. Is there a way for dovecot to authenticate against different databases depending on domain name?

Re: [Dovecot] Multiple Authentication Databases

2011-01-11 Thread Jonathan Tripathy
I had a look there, but that doesn't have anything on a domain-by-domain basis On 11/01/11 13:31, Henrique Fernandes wrote: http://wiki2.dovecot.org/Authentication/MultipleDatabases Is that are you looking for ? []'sf.rique On Tue, Jan 11, 2011 at 11:28 AM, Jonathan Tripathy jon

Re: [Dovecot] Multiple Authentication Databases

2011-01-11 Thread Jonathan Tripathy
: Well, at least it work, it will fail until get the right databases. []'sf.rique On Tue, Jan 11, 2011 at 11:32 AM, Jonathan Tripathy jon...@abpni.co.uk mailto:jon...@abpni.co.uk wrote: I had a look there, but that doesn't have anything on a domain-by-domain basis On 11/01/11 13

[Dovecot] scalability

2010-02-12 Thread Jonathan Tripathy
Hi Folks, How scalable is dovecot. Do you think a machine with a dual core 2.8Ghz processor and 2GB of RAM would do a business with 600 users? This server will have a 100Mbps link to the net, however it will be access by the business using a couple of ADSL lines (Roughly 7Mbps each). This