journaling fs and large mailbox format

[Alin-Adrian Anton]

Dear Hackers,

	First of all thank you for your time and attention.

	I am in the position to implement a large-scale mail server and I will 
never go for anything else but FreeBSD (fixation?).

	It should be able to handle graceously 4000 e-mail accounts where a 
minimum of 50 Mb/mailbox would be a requirement. In the begining, it is 
desirable that users could use as much free space as available, so this 
implies some gigabytes/mailbox.

	I don't know if the mbox format can handle this, and I know Maildir 
cannot handle this on UFS2 standard install, no matter of soft-updates. 
(because it exhaustes the free nodes) So I currently have no solution 
for this stuff.

	I was wondering what is the status of Journaling File Systems on
FreeBSD? Any which is usable and mature, with write access? XFS would 
fit amazingly well with Maildir, but.. I doubt it's anything else but 
readonly.

	So any suggestion would really help a lot. Thank's in advance.

	
Yours Sincerely,
-- 
Alin-Adrian Anton
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