OpenLDAP mandatory for installing eGW?

kingcu 2012-03-28 05:38:47 UTC #1

I’ve been reading the user manual and the posts on this forum, however, it’s not clear to me (or I may have missed the information) whether Postfix/Cyrus/OpenLDAP are required for installing eGW. For the time being, I am setting up a test environment internally to explore the functionalities of eGW. So my questions are:

Are Postfix/Cyrus/OpenLDAP needed for such an “internal” eGW setup?
Once the testing/evaluation is passed, we need to set up a full-fledged eGW environment, is there any guide/how-to on setting up Postfix/Cyrus/LDAP combo and configure them with eGW? As I am fairly new to all these technologies, it would be great if it has step by step instructions.
If using Postfix/Cyrus/LDAP, are the relevent information (user account, mails, etc) stored ourside eGW? Does that mean I have to deal with backup/restore these information myself, besides the eGW provided backup/restore?

I really appreciate if someone could shed a light on this.

anothermouse 2012-03-28 07:54:12 UTC #2

Postfix/Cyrus/OpenLDAP are not required for installing eGW. (although I
seem to remember that you will get a notification during the install
process.

wrt Cyrus and Postfix, you merely require a MTA (Mail transport agent)
of some sort in order to process mails. I’m quite happily using Exim.
Sendmail could also be used as an alternative. If you have an external
email account provided by an external provider, then that will also work.

LDAP is part of an authentication option. You can just use the
authentication against the eGW database, and LDAP is not required.

Regards

anothermouse
http://www.anothermouse.com

I’ve been reading the user manual and the posts on this forum, however, it’s
not clear to me (or I may have missed the information) whether
Postfix/Cyrus/OpenLDAP are required for installing eGW. For the time being,
I am setting up a test environment internally to explore the functionalities
of eGW. So my questions are:

Are Postfix/Cyrus/OpenLDAP needed for such an “internal” eGW setup?

Once the testing/evaluation is passed, we need to set up a full-fledged
eGW environment, is there any guide/how-to on setting up Postfix/Cyrus/LDAP
combo and configure them with eGW? As I am fairly new to all these
technologies, it would be great if it has step by step instructions.

If using Postfix/Cyrus/LDAP, are the relevent information (user account,
mails, etc) stored ourside eGW? Does that mean I have to deal with
backup/restore these information myself, besides the eGW provided
backup/restore?

I really appreciate if someone could shed a light on this.

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kingcu 2012-03-28 08:59:47 UTC #3

Thanks for the quick response. I was reading the mail chapter of the Linux Admin Handbook, :-).

So if I read your response correctly, eGW comes with its own mail module, which at least includes a MTA as well as a Mail Store, it is probably not as robust as that of Postfix/Exim/Sendmail, that’s why Postfix is listed on the dependency page of the install manual, right? For my test setup, I’ll just install bare eGW and come back to this later.

kingcu 2012-03-28 11:45:57 UTC #4

Just finished installing eGW on Ubuntu 11.10 and tried to send email between accounts, but got an error saying “could not connect to SMTP host”. Well, I guess eGW doesn’t have any built-in mail module, I’ll have to install Postfix and Cyrus.

kjurkic 2012-03-28 16:44:26 UTC #5

Hello Kingcu

I don’t know the situation where you work, but in our case, we elected to keep a physically separate email server to work with our EGW installation.

What we chose was ClearOS/postfix/cyrus (CentOS/Redhat distro) because it already defaults to using LDAP for user accounts, and plays VERY, VERY, well with EGW. This was not the case with our old MacOSX server, which hijacked LDAP with too heavily customized schema.

We have one ClearOS instance virtualized and is just a host for EGW, with another separate ClearOS server handling the actual email.

It is a bit of extra work to maintain 2 user account systems, but I have a number of staff here who only do email, and do not need access to EGW. Since the versions of LDAP work so well together, as I become more knowledgeable, I will try to merge the 2 systems so I only have to manage one set of accounts. It seems like the hard way around, but I had to migrate off our existing server with minimal interruption of service, as well as roll-out EGW to a larger audience.

Hope this is helpful
regards
Ken

Just finished installing eGW on Ubuntu 11.10 and tried to send email between
accounts, but got an error saying “could not connect to SMTP host”. Well, I
guess eGW doesn’t have any built-in mail module, I’ll have to install
Postfix and Cyrus.

–
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