Re: [exim] lock file

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Author: Alex
Date:  
To: W B Hacker
CC: exim users
Subject: Re: [exim] lock file
Now i have exim 4.60+ dovecot+sqlite3

The doubts are:

work with virtual users or no.
With real users the filesytem quotas I think is better. the users have
a bad shell and don't have a password, the password is stored in a
sqlite file for mail, pop, imap lookups

work wiht maildir or mbox



2006/4/15, W B Hacker <wbh@???>:
> Alex wrote:
>
> > I would like use maildir, but i'm on migration from cobalt 550, now
> > all users are using openwebmail.
> > And a good choise of Openwebmail is:
> > All preferences,... is stored in the user home.
> > I tested some webmail script (squirrelmail), but the preferences,.. is
> > stored in a http dir, with a http uid and gid
> >
>
> Well - more options than answers from this corner, but...
>
> I'd suggest 'neither of the above' if you look to a model that
> is more secure and more maintainable.
>
> - best if all users can be treated as 'virtual', even if some do
> have shell accounts. Easier to secure, more portable.
>
> - Almost any DB in common use, from 'heavy lifter' DB2, Oracle,
> PostgreSQL down to LDAP, DBD, BDB, CDB - even flat files - can
> be tasked with holding user ID's, login, and preferences.
>
> - Generally, the lighter the DB, the better, if only for
> robustness, as even MySQL can be gross overkill for what few
> details the average mail system needs.
>
> - After 6+ reasonably trouble-free years with SquirrelMail, I no
> longer use it - or anything else that relies on PHP or Apache.
> While that is a minority viewpoint, you may find others here
> that agree that mail servers are happier if they are NOT also
> running any sort of webserver.
>
> After trying many webmail with Exim, Courier, and Qmail, our two
> preferences are:
>
> - a French designed 'webmail' app written in python that runs
> within Zope/Plone for servers where we use Zope+ - not
> otherwise. Squid provides the https front-end, Zope/Plone the
> single-sign-on access control.
>
> - more universal is a cut-down 'Usermin', written in perl, based
> on an extension of an article Dru Levigne published in OnLamp.
> https built-in.
>
> In both cases, these can run on server 'A', while using POP or
> IMAP to access multiple accounts on servers A, B, C, D, etc...
>
> These are happy with our Exim+Dovecot, but also complaineth not
> when used to access {other MTA + otherIMAP/POP} on other servers.
>
> IOW - both act like remote desktop MUA's - not
> "this-server-only" interfaces as SquirellMail does.
>
> Both can store messages or attachments in the user's space (if
> given any), for POP, IMAP, or just drafts, file backup, or
> scratchpad.
>
> Neither are pretty, UI-wise, but the ability to do one login
> with a UID:PWD separate from any of the mail accounts, check
> several accounts with one tool and one visit, and move stuff
> betrween 'em, sure can save yurbutt for world travelers.
>
> Security - with any such tool - is always a challenge. None are
> 100% bulletproof, all require careful attention to detail.
>
> Bill
>
>
>
>
>
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