[Novalug] Virtual vs real users and domains when setting up an Email Server
James Ewing Cottrell 3rd
JECottrell3 at Comcast.NET
Wed Jul 28 17:01:04 EDT 2010
On 7/28/2010 12:31 PM, The Doctor wrote:
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> James Ewing Cottrell 3rd wrote:
>> Good article. One slight tweak. The spam assassin, as well as any other
>> contol files can't be in the "user"s "home directory", as there are
>> (often) no "users". However, the closest thing to a "home directory"
>> might be the top level of the mailbox, the one that contains the "new"
>> and "cur" directories in a maildir structure. Index files are often
>> stored here too.
> There is another problem with running SpamAssassin on a shared mail
> server: it has to be tuned and trained based upon the mail patterns of
> each user to make it work optimally. The scores for each category often
> need to be tweaked a little bit (usually upward) and the trainer should
> be run periodically over each user's spam folder to keep it up to date.
> That also means that the users need to go through their junk folders to
> move the real messages out before training to keep SA from adding
> legitimate messages' characteristics to its recognizer (sorry, mom...)
> Past a certain point (in previous lives, about twenty users on a mail
> server) it becomes more feasible to let users handle spam sorting on
> their side with their mail clients and just put AV filtering in place on
> the server as a first line of defense.
In Theory, this is true, as One Man's Spam is another Man's Ham. Or
But in Practice, Spam is Spam, and we probably all agree.
In any case, I was arguing that while no "home directory" exists for any
of these "users", there is definitely a place for them on a per-mailbox
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