At 03:10 AM 99/04/30 +0000, Sam wrote:
>Tillman writes:
>
>> Sam wrote:
>>
>> > If you're ok with POP3/IMAP users logging in using their UNIX ids, you're
>> > all set. If you want users to login under their virtual domains, vchkpw
>> > won't work because it won't scale - it scans a flat file for user
>> > validation.
>>
>> I'm jumping into this thread, as I'm in a very similar position. I'm a
little
>> leery of using uid's, because (from my understanding) they're a signed
16-bit
>> field, meaning that only 32K users can actually operate (on a 2.0.36 Linux
>> system).
>
>If all you use this box for is as a POP3/IMAP server, you can have 50,000
>accounts mapping to the same numerical userid (as long as you disable
>telnet into the box, it doesn't matter).
>
>>
>>
>> > Write a custom checkpassword checking routine, using something like
GDBM to
>> > validate userid/domains.
Is there some package for this? I found vmailmgr which I think will do this
but the docs are almost nonexisting so i haven't got it working yet.
Maybe the qmail-ldap is something. Do I have to buy the Mozilla SDK?
>>
>> Ideally, I'd like to use the radius patch in conjunction with this. I
haven't
>> yet downloaded the patch or read the DOC's, as I'm in the middle of
somewhat
>> time-intensive DNS migration, but I'm not exactly positive where it
would get
>> it's home-dir information for use with Maildir's ... our Cistron radius
server
>> certainly doesn't have that information available to server out the way
thigns
>> stand now :-)
>
>If you make it a convention that user foo's home directory is /home/foo,
>you don't need to keep track of individual home directories.
>
>>
>> > Qmail has no builtin quota support. Write a custom script that sweeps
>> > through all the mailboxes, notifies owners which exceed their soft quota,
>> > and locks out mail delivery to mailboxes that exceed their hard quota.
>> > Modify your POP3/IMAP server to unlock mailboxes, if necessary, after
mail
>> > is deleted.
>>
>> Would not the hard quota itself lock out delivery, or is there some
"might break
>> qmail" issue that I'm missing? I'm perfectly content with a bounce
mentioning
>> disk space, as the users are well aware of the 10Mb limit that we are
currently
>> imposing on our soon-to-be-replaced mail system.
>
>If you're running a solid box, hardware quotas are OK. But if you
>routinely have processes dying all over the place, for some reason,
>temporarily files in the maildir being created can quickly use up the hard
>quota, which'll be purged only after a couple of days (and only by
>maildir-compliant mail readers). It's better to calculate the quota
>yourself, only for the actual messages.
>
>
>--
>Sam
>
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