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Date:  Tue, 14 Mar 2006 07:53:05 -0500 (EST)
From:  Greg Boehnlein <damin (at mark) nacs.net>
Subject:  [coba-e:04279] Re: Optimizing qpopper or POP3 alternative
To:  coba-e (at mark) bluequartz.org
Message-Id:  <Pine.LNX.4.44.0603140751540.1483-100000 (at mark) nucleus.nacs.net>
In-Reply-To:  <001201c64719$9dc166d0$a101a8c0@chris>
X-Mail-Count: 04279

On Mon, 13 Mar 2006, Chris McGinnis wrote:

> In the testing repository there's a version of poprelayd that I believe 
> works with Dovecot.
> 
> I have recompiled qpopper and then finally migrated to Dovecot.  I am still 
> seeing issues with the POP3 service getting overwhelmed.  Both qpopper and 
> Dovecot timeout under heavy loads.  The machine is an Intel 3.2Ghz, 2GB RAM, 
> SATA HDD.  There are around 1000 users.  I don't know what else to do other 
> than move some of the users to another box.  If anyone has any suggestions 
> I'd be glad to hear them.

While Cucipop is a bit old, it is still extremely fast, lightweight, 
stable and memory efficient. Our custome mail cluster uses Cucipop w/ some 
patches to allow POP Before Relay to work.

Might want to look into it.
 
> ----- Original Message ----- 
> From: "SpanishST" <spanishst (at mark) wanadoo.fr>
> To: <coba-e (at mark) bluequartz.org>
> Sent: Monday, March 13, 2006 5:57 PM
> Subject: [coba-e:04274] Re: Optimizing qpopper or POP3 alternative
> 
> 
> > Hello,
> >
> > Thanks for your help, but the changes that worked for you did not work
> > for me on BQ FC1.
> > After looking closely to your explanations and looking over google i
> > managed to make it work. here is by scanaddr :
> >
> > sub scanaddr ($) {
> >    my $s = $_[0];
> >    my @paddrs;         # Packed IP addresses.
> >    my @addrs;          # ASCII addresses.
> >
> >    if ($s =~ /^... .. ..:..:.. .* dovecot: (pop3|imap)-login: Login: .+ 
> > rip=(\d+\.\d+\.\d+\.\d+)/) {
> > my $authuser = $2;
> > return $authuser unless ($s =~ /reject=\d/i);
> >    }
> >
> >    return ();
> > }
> >
> > i used the bluequartz package of Hugues Lepesant (Thanks Hugues :-)
> > find rpm here :
> > http://hugues.lepesant.com/stuff/bluequartz/
> >
> > Hope this will help others,
> >
> > Thanks,
> >
> > Ramon LOPEZ
> >
> >
> > On Sun, 05 Mar 2006 09:00:05 -0500
> > "Ing. Ernesto PñÓez Estñ×ez" <info (at mark) ecualinux.com> a ñÄrit :
> >
> >> -----BEGIN PGP SIGNED MESSAGE-----
> >> Hash: SHA1
> >>
> >> Hello!
> >>
> >> check here:
> >>
> >> http://bluequartz.org/ml/archive/coba-e/2600/2682.html
> >>
> >> here is the scanaddr I use for my dovecot.
> >>
> >> Edit /usr/sbin/poprelayd and search for scanaddr, that if shoud be
> >> changed from:
> >> if ($s =~ /POP login by user \"[\-\_\.\w]+\" at \(.+\) ([0-9\.]+)\s*$/) 
> >> {
> >>
> >>
> >> to read as:
> >> if ($s =~ '^(... .. ..:..:..) \S+ (?:pop3|imap)-login: Login:
> >> .+\[(\d+\.\d+\.\d+\.\d+)\]'){
> >>
> >>
> >> regards!
> >> epe
> >>
> >> SpanishST wrote:
> >> > Hello,
> >> >
> >> > I have the same problem with qpopper, i already think of migrating to
> >> > dovecot, but i worry about the POP before SMTP feature i use. I think
> >> > that the POPbSMTP feature on bluequartz will not work anymore with
> >> > dovecot... If someone have a full tutorial for replacing qpopper by
> >> > dovecot with support of POP before SMTP it would be great.
> >> >
> >> > Thanks
> >> >
> >> > On Fri, 03 Mar 2006 14:01:14 -0500
> >> > "Ing. Ernesto PñÓez Estñ×ez" <info (at mark) ecualinux.com> a ñÄrit :
> >> >
> >> > I installed dovecot and was able to get rid of this problem. qpopper 
> >> > was
> >> > a bit slow... and dovecot solved that situation.
> >> >
> >> > epe
> >> >
> >> > Chris McGinnis wrote:
> >> >>>> I have setup a machine with NuOnce CentOS + Bluequartz.  I have 
> >> >>>> migrated 100 virtual sites from a RaQ 550 and have run into problems 
> >> >>>> with qpopper.
> >> >>>>
> >> >>>> After a while there will be 50+ qpopper instances running and client 
> >> >>>> connections will timeout saying:
> >> >>>> -ERR POP EOF or I/O Error
> >> >>>>
> >> >>>> Any recommendations on optimizing qpopper or possibly replacing 
> >> >>>> qpopper with something else?  All of these sites came from a RaQ550, 
> >> >>>> I would expect my new server to handle the load just fine.
> >> >>>>
> >> >>>> The specs on the machine are: 3.2Ghz, 2GB ram, SATA 200GB HDD
> >> >>>>
> >> >>>> -Chris
> >> >>>>
> >> >>>>
> >> >>>>
> >> > --
> >> > Ing. Ernesto PñÓez Estñ×ez
> >> > http://www.ecualinux.com
> >> > USA: + 1 404 795 0321
> >> > Ecuador: (02)3412402 - (09) 9246504
> >> >>
> >> -
> >> ---------------------------------------------------------------------------------------
> >> Wanadoo vous informe que cet  e-mail a ete controle par l'anti-virus 
> >> mail.
> >> Aucun virus connu a ce jour par nos services n'a ete detecte.
> >> >>
> >> >>
> >>
> >> - --
> >> Ing. Ernesto PñÓez Estñ×ez
> >> http://www.ecualinux.com
> >> USA: + 1 404 795 0321
> >> Ecuador: (02)3412402 - (09) 9246504
> >> -----BEGIN PGP SIGNATURE-----
> >> Version: GnuPG v1.2.6 (GNU/Linux)
> >> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
> >>
> >> iD8DBQFECu7l8sSWs7RP4EMRAjCJAJ9U8ykfG9pxoJjafrp2NwH4GBwg6wCgxCEn
> >> sNYMJYFds1PhTfTVTRS2KMc=
> >> =GGc6
> >> -----END PGP SIGNATURE-----
> >>
> >> ---------------------------------------------------------------------------------------
> >> Wanadoo vous informe que cet  e-mail a ete controle par l'anti-virus 
> >> mail.
> >> Aucun virus connu a ce jour par nos services n'a ete detecte.
> >>
> >>
> >
> >
> >
> > 
> 
> 
> 

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