Replacing DA selected programs with my own (Was: Admin Please Help Answer this)

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tony1234

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Admin Please Help Answer this

What is running with my DirectAdmin email package? What is my MTA, MUA, Imap server, etc? What are the products used? The reason I ask is that I want to consider switching some of them. Throughout all this forum I see all sorts of things like exim, mojo-somethingorother starting with an m (which I have never heard of). So what are the pieces installed by default for my new directadmin, and also do you know if I can change some of them and which? For example, I want to install dovecot and postfix and perhaps procmail to run my own email server (for a product outside of email accessed by site owners), but am curious whether DirectAdmin email access will work with these. Thanks very much in advance for your assistance.
 
Exim is the default MTA that is installed by DirectAdmin.
You can install whatever programs you want, however DirectAdmin probably won't support it if you have problems. ;)
 
I have no idea what you mean by "mojo". Do you mean majordomo? It's a mailing list manager.

As Jon wrote, Exim is the supported MTA. Your MUA is whatever you install on your desktop; it's not a server-based program. The IMAP server identifies itself as IMAP4rev1. There's a thread on these forums on replacing it with Courier-IMAP.

You can add procmail. I'm guessing from your post that you want to use it for local delivery.

To do that you'd have to completely rewrite the exim.conf file, and then you'd be responsible for maintaining.

If you want to switch to postfix you'll have to write a system to read all the files DA writes/changes to create users, etc., for exim, and convert it to what postfix requires.

It appears that dovecot may be possible; read the thread on switching to Courier-IMAP to get some ideas.

As far as changing to postfix? I'd say if you were going to try to do that, then you're completely on your own.

Jeff
 
Thanks for your very helpful info. I have decided to stick with Exim, and not go to Postfix. After learning more about Exim, I like its filtering abilities, so I will stick with that. I do want to use Dovecott. So if I just switch that, the squirrelmail from DirectAdmin will probably still work, you think? (thanks so much for your help)
 
If you switch to Dovecot, you need to decide if you will be using mbox or maildir. If you are using mbox, then you need to allow it to support virtual users like DA does, especially if you want to allow users adding and deleting email accounts. If you are going the maildir route, then you will need to modify the exim.conf to deliver email in that format, I don't belive that is too difficult. In either case, you will want to be able to support the virtual accounts that DA creates.

Squirrelmail supports the IMAP protocol, it does not care (too much) which server it is speaking to. You just need to make sure you set the prefix (like INBOX.) correctly if needed.
 
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