Michael K. Smith - Adhost wrote:
Steve Bertrand wrote:
If anyone has a setup that has redundancy for their IMAP/POP
services,
and a method to keep the changing data relatively up-to-date, I'd
love
to hear about it.
[ big snip ]
Another approach would be a cluster of Postfix servers and
Hello Steve:
I'll try to answer your questions in line.
snip
Another approach would be a cluster of Postfix servers and Dovecot
servers behind PF load balancers. We have 3 POP servers
(IMAP/POP), 9
Mail Servers, 2 Defer servers and 5 Filter servers that process over
20
million
Michael K. Smith - Adhost wrote:
- can your PF load balancers 'sense' when one of the Postfix/Dovecot
units are down, or is this a manual change in config to prevent any
time-out conditions?
Not natively. When we initially implemented this setup, ifstated wasn't
up to snuff, so we wrote
Steve Bertrand wrote:
I'm looking potentially to try a different mail server setup. I'm
requesting honest feedback from experienced mail ops.
My minimum requirements:
- IPv6 for all protocols
- SPF
- IMAP|POP3 must support SSL
- SMTP AUTH
- submit on 587
- MySQL backend for un/pw, vpopmail
Matthew Seaman wrote:
Steve Bertrand wrote:
My minimum requirements:
- IPv6 for all protocols
- SPF
- IMAP|POP3 must support SSL
- SMTP AUTH
- submit on 587
- MySQL backend for un/pw, vpopmail preferred, but not mandatory
- Maildir storage preferred
- easy (ie: well documented)
Steve Bertrand wrote:
What I don't have, and have always wondered about, is live redundancy
for the IMAP/POP services.
I know that this would be a challenge to some degree considering the
high volume of data changes.
Perhaps a carp(4) setup between a couple of MDA's, where when the
Matthew Seaman wrote:
Steve Bertrand wrote:
If anyone has a setup that has redundancy for their IMAP/POP services,
and a method to keep the changing data relatively up-to-date, I'd love
to hear about it.
Now, that is a different kettle of fish. This is a job for cyrus imap.
I suggest
-Original Message-
From: owner-freebsd-questi...@freebsd.org [mailto:owner-freebsd-
questi...@freebsd.org] On Behalf Of Steve Bertrand
Sent: Wednesday, September 16, 2009 7:09 AM
To: Matthew Seaman
Cc: questi...@freebsd.org
Subject: Re: New mail server setup
Matthew Seaman wrote
