Moving Sendmail to Postfix

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#1 Fri, 05/26/2006 - 15:39

Moving Sendmail to Postfix

On my previous server (a raq550) I was using sendmail and all of a users mail was in mbox file. Is there a painless way to break that file up and drop individual mails in to maildir?


Sat, 05/27/2006 - 01:33
Joe's picture

Hey Chuck,

There are a few conversion tools out there, mostly of good quality. I used mb2md on the biggest system conversion I've ever done (50 or so users, with HUGE mailboxes--10k+ messages in some of them), and it worked flawlessly. You can find it here:

I don't know if you can call it "painless", since it is still a time consuming process, but it isn't difficult to use. It is probably worth the trouble, since the format is generally faster and more efficient for most environments. There are edge cases where it makes things slower than mbox, but mostly it is just much better.

You don't have to convert your spools to use Virtualmin Professional, but you'll have to make quite a few changes in the level of effort might be similar in either case.


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