Most customizable email server for ubuntu server?

Question

Email

Podskajite more or less customizable mail server. I'm interested in such features as registering multiple users and assigning email addresses. let's say there are domen1 and domen2, the administrators of these domains create new mail accounts acc11 acc12 and acc21 acc22 and you need to create [email protected] [email protected] and [email protected] [email protected] mailboxes, with the ability to read and send letters. what I found on the Internet is only a mail server of one address @ domain.

Answer 1

The most common and, accordingly, documented postfix and exim. Both support multiple domains, virtual users, storing users in a database, and much more.
About administrators create, etc., this is not to the mail server as such, but to some kind of interface for managing their user base. For example postfixadmin.
The ability to read letters is not to the mail server, but to the mail client, or the imap / pop3 server, if the client uses a remote client using these protocols, for example, dovecot.
In general, to solve this problem, you will probably need a bunch - postfix + dovecot + postfixadmin, and possibly a web client for mail like roundcube.
Well, maybe it would be nice to put something to combat spam, for example spamassassin.
It is quite easy to find a description of the configuration of such a kit, but it’s better, of course, to thoroughly understand the configs on your own ...
Of course, there is also iredmail, which is just an add-on for such a kit, and allows you to quickly deploy it, but I don’t advise it.

Answer 2

www.zentyal.org
has everything you need for a small organization

Answer 3

there is such a combine as Zimbra