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Can anyone help with this subject? After careful consideration, I would like to do away with my Exchange 2000 server and install linux on it and use sendmail. Is there a way to import addresses and mailboxes and such?
Also, pros and cons to sendmail vs Exchange?
Can u be specific ? i mean are u not comfortable configuring sendmail or is it just that u want to know if its possible to import
the mails from 2000 to sendmail ?
Hmmmmmm... sounds like another Network Admin worried about spam, his job, and layoffs.. And is who is now grovelling at the knees of the open source community.
*just kidding.
Check out Freshmeat as suggested above.
* no offense, I read the post and had to throw that in.
It is not imap usually i will use msexhange on my windows operating system i want to configure on linux when I put incoming as pop and out going as smtp it works couple of days but later i got message port connection refused.
they told we refused pop connection only exchange now how can i configure ms exchange on linux
Distribution: OpenBSD 4.6, OS X 10.6.2, CentOS 4 & 5
Posts: 3,660
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Well to the original poster, you do know the difference between a groupware system and a MTA, right?
Groupware systems are software suites like Exchange, Groupwise, and Notes. The functions of a groupware system include address book, calendar, mailboxes, shared folders, etc... Groupware systems use gateways to Internet protocols, but often use proprietary protocols internally.
A MTA simply accepts SMTP e-mail and forwards it to another MTA or to a MDA (Message Delivery Agent).
You can't really replace a groupware system with a simple MTA. To even retreive the messages you would need to add message retreival daemons, such as a POP3 or IMAP4 daemon. The addressbook functionality could be provided by a LDAP directory, if properly configured. I'm sure you could find some of the other applications on Freshmeat or Sourceforge.
Are you sure you know what you're getting yourself into? You would need to find and configure all that software to replace the functionality of Exchange, because Sendmail alone will only do one tiny peice of it. Then you would need to keep up with the security patches of all those different pieces of software.
What is your motivation for wanting to get rid of Exchange? Are you concerned about the security? Do you think that Exchange is more suceptible to spam? You could put a Linux system in front of Exchange in your SMTP flow so that the Linux system receives the e-mail first and there's no direct connection to Exchange. That would allow you to implement spam filtering and anti-virus protection without disrupting your environment and causing massive changes for your users. Oh, and I wouldn't use Sendmail since it has a massive amount of security problems. Look into Postfix or Qmail instead.
Chort,
I want to replace my windows operating system to linux only one obstacle is exchange I could not get my email only for email i have to switch to windows
Quite often Exchange is used exclusively for mail relaying and retrieval. If such is the case, it is quite possible to replace Exchange by a linux-based mail solution. The main issue will be to get the mailboxes out of the Exchagne database, to transfer them to user-specific files (in user's profiles on a file server for backup purposes for instance).
OTOH, if the groupware functionalities are extensively used, the problem is much more complicated. A global solution must be designed and implemented step-by-step. If Linux is the issue but a proprietary grouopware solution is acceptable, there is a Domino server (Lotus Notes) then runs on Linux.
As far as clients are concerned, Exchange uses X400-based proprietary protocols; I haven't heard of a native non-microsoft Exchange client. There is an open-source (recently released by Novell) client that connects to Exchange 200x through the OWA (Outlook Web Access).
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