how to run dovecot imap on separate server from postfix?

[Robert Fantini]

Hello Reindl,   thank you for the response.

I want to make sure that the postfix delivery does  not give up trying to
get the email delivered when the  lmtp host is not reachable.      I do not
just want to assume that the default settings are correct for us.

 Are there  postfix or other settings which can be checked and adjusted?

On Tue, Feb 17, 2015 at 4:37 PM, Reindl Harald <h.reindl at thelounge.net>
wrote:

>
> Am 17.02.2015 um 22:29 schrieb Robert Fantini:
>
>    we are using version 2.2.13 on debian.
>>
>>   currently imap  runs on the same system as  postfix , spamassassin and
>> other mail related software.
>>
>>   I'd like to move dovecot imapd  and mail storage  to its own system.
>>
>>   I've search google and wiki and could not see how to do so.
>>
>>   could someone please point me in the direction to that done?  I like
>> reading documentation..
>>
>> here is more info on our set up:
>>
>> postfix:
>> # grep dovecot /etc/postfix/*
>> /etc/postfix/main.cf:mailbox_transport = lmtp:unix:private/dovecot-lmtp
>> /etc/postfix/main.cf:smtpd_sasl_type = dovecot
>>
>
> just configure postfix to use "lmtp:host:port" of the dovecot machine
>
>