Hi,
Form our experience with DBMAIL the imap deamon tends to get very
sluggish when there are large loads on it and mail boxes are large.
We decided to move away from DBMAIL and move back to a flat file exim
solution with a super fast san device we had 3 times as much data as
you have in your Mail database.
Hope this helps. It was also a fearly painless migration from DBMAIL
back to exim.
viperKiwi
On 22/02/2007, at 7:44 AM, Chris Richardson wrote:
if you could send us more info like maybe the proccess snippet of
the imap server of a user using rc so we can see the commands and
responses that it is issues also what version of rc are you running?flamasteris wrote:
Hello,
I'm an administrator of a popular website. I run a free email
system. I use Roundcube as Webclient. The mail works on DBMAIL
system. Unfortunately, I encountered a problem.The email's been running for two months now. 30 000 users
registered during the period and mailboxes consume 30 GB space.
But, suddenly, there is a problem with Roundcube connecting to
DBMAIL IMAP.The messages are being opened very slow when connected to
Roundcube (3-4 seconds/message). The comprehensive analysis has
been done, but the problem hasn't been found. Server load is 0.
Server logs show that Roundcube takes information from DBMAIL base
and IMAP very quickly, but we don't know what it does for the next
3-4 seconds.I tried to connect Roundcube to the other mail system, that's not
usings DBMAIL, and everything worked fine, even though that system
is more loaded. Also, I tried to connect to DBMAIL using
SquirrelMail 1.5 and everything worked fine. We tried other
WebMail clients and everything worked fine as well.So my conclusion would be, that the problem is a DBMAIL and
Roundcube compatibility issue.Maybe someone has any ideas on solving the problem? I need to get
this fixed in a couple of days and I don't want to go on a
diffrent WebMail client.I will appreciate any help and advices!
Povilas
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