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
Hello Steve:
I'll try to answer your questions in line.
>
> > 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
> > mil
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 o
> -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 serv
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
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:
>> 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
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 pref
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 preferred, but not mandatory