Hello. I am creating a qmail-based webmail system(please contact me if
anyone else is working on this too!) and have some questions about
Maildirs.
I am concerned with running up against file/inode limits with maildirs.
However, I have no real knowledge of the underlying file system to base
this fear on. Can anyone recommend somewhere where I can learn more
about this? Some of my questions: Does the size of the drive affect the
maximum number of files? What are the average practical limits?
Also, I would love to hear any general comments on my design for the
system. I am using Maildirs because the system seems much better in
most respects that the mail spool files.
However, I still sometimes question my choice. Using Maildirs, I simply
need to scan a directory for files and then put that list up for the
webmail user to choose from. However, it seems I would have to open
each file in the dir to get the header info out. I've considered
updating a central index file as mail arrives but I don't know how well
that would work.
I've also considered just inserting all the mails into a mysql database
when they arrive. Thoughts?
Using the traditional spool file sometimes appears to be the best
option as I can simply open the one file and scan it for headers and
build a index document with the headers and information regarding what
byte offset contains each email.
Well, I don't mean to just pop up on the list and start asking for free
advice, but if anyone is in the mood to talk, I would love to hear any
advice or comments.
Thanks,
Jack
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