is pkg saying courier and postfix are incompatible?
Arthur Chance
freebsd at qeng-ho.org
Fri Sep 19 15:38:39 UTC 2014
On 19/09/2014 15:12, Dale Scott wrote:
>> On Sep 19, 2014, at 1:25 AM, Arthur Chance <freebsd at qeng-ho.org> wrote:
>>
>>> On 19/09/2014 07:44, Matthew Seaman wrote:
>>>> On 19/09/2014 00:28, Dale Scott wrote:
>>>> I installed postfix-2.11.1_4,1 as a pkg and just noticed "pkg info
>>>> postfix" reports DOVECOT and OPENLDAP options are off. Do I need
>>>> these in my scenarios? I didn't put a ports tree on this system to
>>>> see if it was possible to build a system from packages only, but am
>>>> also not averse to recognizing it was pipe dream (and remember how to
>>>> use portmaster again).
>>>
>>> You can use postfix with dovecot without having to enable the DOVECOT
>>> option -- as I recall, that's something to do with postfix using the
>>> dovecot authentication mechanisms.
>>
>> That's correct, it's to enable postfix to use dovecot's SASL interface
>> to authorise users when postfix requires authorisation for mail
submission.
>> Much nicer to have one mechanism rather than two that might get out
of sync.
>> However, if authorisation is enforced via /etc/passwd or LDAP, you've
>> already got your mechanism so don't need dovecot's.
>>
>>> You only need OPENLDAP turned on for postfix if you want to use ldap
>>> lookups. (Well Duh!) For a stand-alone system without many users, ldap
>>> is overkill, and you would generally be better off using lmdb or bdb
>>> files instead (I prefer lmdb -- seems simpler and to have fewer overheads).
>>
>> And it's fast, if you have a lot of mail to process.
>>
>>>> Is there anything special needed in Dovecot?
>>>
>>> No. Either you configure postfix to use dovecot's delivery agent, or
>>> you make postfix speak LMTP to dovecot: from dovecot's perspective it
>>> doesn't need to know anything about or do anything differently depending
>>> on what MTA you're using.
>>
>> LMTP has the advantage that postfix and dovecot can be in separate jails for
>> extra security.
>
> Thanks for all the help. I'm building a fully *self-contained* proof-of-concept
> business system with MantisBT as an ISO9000 issue tracker, Tryton for
managing
> equipment and material loaned to client jobs and returned, OpenLDAP
for single
> point of authentication (enterprise is MS AD), and mail working
between users,
> Mantis and Tryton. I'll use Mutt in the first round of demos, but
will provide
> RoundCube for demo users to access mail themselves (once virtual mail
users are
> working). I'm ignoring security for now, too much to learn, create
keys and
> configure, and the IT group will have their own ideas anyway if the
POC proceeds
> to production. Hopefully it won't look too disjointed, the
alternative is maybe
> funding in 2016 for the IT team to build the same thing but with
better icons
> (and by clicking through MS wizards ;-))
>
> It could be a nice bonus if I could use my desktop Outlook client to retrieve
> all the mail from Dovecot via pop3 and forward it into the enterprise
system
> so demo users could really experience the POC, but the POC can't connect
> directly to any enterprise services (e.g mail) for now. Any comments
on this
> approach?
I've never used Outlook in my life, so can't comment on that side of it,
but dovecot does POP3 as well as IMAP. It's not as good as IMAP, but for
a demo should be good enough.
See http://wiki2.dovecot.org/POP3Server
More information about the freebsd-questions
mailing list