[Dovecot] dovecot dictionary attacks

2010-11-10 Thread Paul Amaral
Hi, I been using dovecot for awhile and its been solid, however I been having some issues with dictionary attacks. I installed fail2ban and for the most part is working fine. However today I got another spammer relaying through my server. Looking at the logs I see the following dictonary att

Re: [Dovecot] Dovecot] dovecot performance question

2007-05-29 Thread Paul Amaral
Kenny, I think the time problem is related to the virtual server software I'm using. But the head node has 2 dual core intel's with 8 gig's of ram with 7,000 users. The cpu stays at about 60% idle. I will be moving away from the virtual server stuff and into a stand alone server hopefully this help

Re: [Dovecot] dovecot performance question

2007-05-29 Thread Paul Amaral
Jason, im also using virtual server software from virtual iron. I will be also moving this off the virtual server and on to a dell 1900. Did you notice better performance once you moved away from vmware ? Thanks, Paul -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] O

[Dovecot] locking question

2007-05-25 Thread Paul Amaral
Hi, I'm using Maildir with dovecot .99, I'm getting some errors with fcntl locks. Do I still need to use a locking mechanism if I'm using maildir with pop3 access. For reasons I won't go into I cant upgrade from .99 to version one at the time. I'm getting this error with some users, I have tried