[CentOS] spam control
rodrigob at darkover.org
Mon Oct 30 14:35:49 UTC 2006
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On Mon, Oct 30, 2006 at 10:02:30PM +0800, Feizhou wrote:
> >On Fri, Oct 27, 2006 at 12:24:22PM +0800, Feizhou wrote:
> >>>>vpopmail has great user management tools? vpopmail is supported by
> >>>>other mail related software such as dovecot and spamassassin. vpopmail
> >>>>supports mysql tables which lends itself to integration with other
> >>>>software that are mysql capable.
> >>>>Why would one NOT want to use (favourite mta) + vpopmail?
> >>>You do know that exim can talk directly with MySQL, right ? And
> >>>since you can specify the SQL Queries, the database can have
> >>>any format, thus integrating with everything else ?
> >>So does postfix. You are missing the point. vpopmail comes with all the
> >>tools necessary. With postfix or exim, one would have to build their own.
> >Humm ? I never had to build any tools.
> Oh? So account management was all manual via the sql command line?
Depends if you call 3-line scripts a "tool" or "sql command line".
> >>>Having exim talking directly with spamassassin is also very good and
> >>>easy, and speed things up quite a bit.
> >>Sure. spamassassin milter + postfix milter :P
> >Are we talking about exim or postfix ?
> Both. You can get exim to talk directly to spamassassin and postfix
> 2.3.3's milter capability alows the same with spamassassin milter.
That is not exactly the same thing, since with "milter", you are adding
one more layer.
> >>>Using things like maildrop, vpopmail, amavis etc with exim is
> >>>just a good way to slow things down. The direct connection between
> >>>exim and everything else (spamassassin, antivirus etc) allows you
> >>>to reject mails during delivery, without the need to accept it
> >>>before passing to another agent.
> >>??? postfix -> maildrop -> home dir/Maildir
> >>Nothing in my system goes through vpopmail. vpopmail only creates the
> >>Maildirs and maintains the mysql tables.
> >If you are using postfix, then it does make send to use vpopmail.
> >I'm not saying otherwise.
> You do not have to use vpopmail with postfix. postfix can do just about
> the same with its own virtual mail backend that supports SQL.
Yes, but the virtual mail backend of postfix is much less flexible,
and so using vpopmail makes sense.
> The things that you have listed can all be done with postfix too. You
> can have SQL lookups just about anywhere in postfix too. postfix has its
> own virtual mail LDA that supports SQL and postfix can make use of that
> database at the smtp level too. Back to vpopmail, direct use of vpopmail
> tables will probably only be possible with exim and postfix.
> So then, does exim provide user account management tools? Or is your sql
> backend also the system account backend? If not, did you not have to
> build tools to handle user account management or creation of user filter
If you have anything that does user management based on sql, you can make
exim use those tables. Even tho I haven't tried, it is very likely
that you can even use the same tools you use for vpopmail. Or for
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)
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