[svlug] CentOS

[Kevin Smathers]

Hi Bruce,

I haven't mailed the CentOS list, only because I don't think it is a 
CentOS issue so much as it is an issue with the application itself.  
CentOS, as I understand them, releases exactly the same packages as 
RHES.  Even if I complained about cyrus to them, they wouldn't be able 
to do anything about it since they don't want to get out of synch with 
Redhat.  The best they could offer would be to help me get it working, 
but I'm not interested in that any longer -- I can find instructions in 
the mailing list for solving my problems (or ask for new ones), but 
there are too many that I've tripped over already.  

I'd complain to Redhat, but I'm too cheap to buy a server license. 

My gut says I should just download WU-Imap and build it from scratch, 
but since I missed Dovecot on my first time searching for imapd for 
CentOS, I thought I'd ask about experiences people have had with it.

As for the student Redhat license, I'm not into bending rules.

Cheers,
-kls

bruce wrote:
> hi kevin...
>
> not that i have experience with sys admining CentOS... but i was wondering
> if you had posted this to the centos email list... in reading your msg, i'm
> curious as to the fragility (sp??) of the app as well.
>
> btw, an as an aside.. if you want to get a rhel subscription, and you have
> access to a college email address, then if you're willing to "bend" the RH
> rules, you can sign up for a college subscriptioni. there are people who
> want the rhel isos, but not the support, who've done this...
>
>
> regards.
>
> -----Original Message-----
> From: svlug-bounces+bedouglas=earthlink.net at lists.svlug.org
> [mailto:svlug-bounces+bedouglas=earthlink.net at lists.svlug.org]On Behalf
> Of Kevin Smathers
> Sent: Monday, September 11, 2006 10:57 PM
> To: SVLUG
> Subject: [svlug] CentOS
>
>
> Hi all,
>
> I'd be interested in some advice from anyone who is (successfully) using
> CentOS4 or RHES4.  I've been working on replacing my old server
> (changing DSL service) with one at work, and chose CentOS4 because it
> should be no hassle, secure, and stable, being in essence a
> recompilation of RHES4.  Unfortunately I'm stuck on one point in the
> migration, which is that the Cyrus-IMAP daemon distributed with CentOS
> (and I presume with RHES) is making my life a living hell.
>
> The whole app seems to be written to torture system administrators.
> Where WU-imap was install and forget, Cyrus is extremely fragile.  First
> there was the mail delivery program which deadlocks unless you serialize
> transactions through a filelock, and which won't accept any email with a
> 'From ' header, nor create a mailbox on the fly, nor respond correctly
> to TRYCREATE requests from Mozilla mail.  Then it started crashing
> nightly when spam mail-loads drive the system into the ground (a
> disadvantage of a work machine is that it has a very high bandwidth
> link), and now it is crashing every couple of days with Berkeley DB
> errors unrecoverably losing my entire mail spool for the last week.
>
> I'm well past any remaining patience for the manifest problems in cyrus.
>
> The only other imap daemon distributed with CentOS4 is Dovecot, which
> I'm loathe to experiment with after my fun with Cyrus.   Although
> Dovecot claims to be able to use Mbox formatted mailboxes, I'm
> skeptical.  The default install insists on Postgres, which doesn't sound
> like Mbox to me, and I'm loathe to go down another rathole.
>
> Anyone have experience using Dovecot on CentOS who can shed some light?
>
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