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* Moritz Möller <mm@???> [20040112 18:19]: wrote:
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> Hi List,
>
> I'm trying to build some kind of Mail-Server-Package, consisting of:
> - exim with spamassassin + clamav
> - dovecot (a quite cool IMAP server) - using Maildir storage
> - postgres (for user/domain tables etc.)
> - apache/php for admin web + webmail
Sounds like a duplication of vexim -
http://silverwraith.com/vexim/ ;)
>
> However, I ran into some small Problems:
>
> - I want to use exim filter files for processing e-mail rules
> (sorting into mailboxes etc.), which works pretty fine.
Yayi! Users can "manage" their own rules? That is cool. Avleen, do we
have s'thing like it?
> But I sometimes want to "refilter" a mailbox, for example if I added
> a rule affecting several mails that are already in a mailbox. If i
> move all files from the Maildir to the exim queue, exim does a lot
> of work and the headers are modified, and i think that's not that
> good. It would be nicer to have exim only check what the filter would
> do with the current email and return a list of actions (like: store in
> mailbox a, store in mailbox b, forward to c). Is that possible or
> would it be better to do the local delivery manually by using a pipe
> transport to a script which uses some other format of filter file?
I think the 2nd option would do. The first option would mean just what
you have realized - redeliver mail via Exim, thereby doing filtering
twice.
> - Two days ago i got a strange error message from ClamAV (or to be more
> specific, the ClamD part of SA-Exim) telling me that the buffer space
> is big not enough. Anybody seen this before? Now it works again, and i
> dont remember having changed anything...
Clamd has no relation with sa-exim though ;)
Well, did you ask this question on the clamav list? Tomasz would love to
get the logs/debug output.
> - Generally, ClamAV does not seem to filter very good, many email
> worms come through (a trojan is on your computer! etc.), Is there
> any other tool blocking such malicios mails without completely
> blocking .exe attachments?
Commericial AVs would do, I think, but I am not sure since I haven't
used any.
> - Is there a standard way of identifying message delivery reports and
> auto replies? As far as i found out both are send with a null
> envelope-from, but personally i'd like to drop message delivery errors
> silently without dropping auto replies...
if error_message and $rheader_from: contains "Mailer-Daemon@"
then
# looks like a real error message - just ignore it
finish
endif
Have you looked at the Exim filter spec document? There are ways ....
>
> - Lastly, (sorry, have not rtfm) does exim support mailbox quotas?
Yes.
> And how performant is this?
Very good so far, but I know othere have misgivings because they want
"this and that feature" that is supported by "this and that other MTA",
> Maybe it is possible to track the used Mailbox size in the database
> (dovecot had to coop here)?
Just like you ;-)))
>
> Thanks for reading :)
That was looooong ...
cheers
- wash
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