Gene Heskett wrote:
On Tuesday 15 October 2019 13:45:14 deloptes
wrote:
Gene Heskett wrote:
Greetings all;
Hi Gene,
Are you send those to /dev/null? I've sent a
whole bunch of them.
I do not know what you are talking about, but I recall you
mentioned before you had issues with your mailbox/es.
These crashes always seem to be preceded by a
couple days of a
kmail session burning up a core of 4 cores, bouncing to the next
available core, at 99 to 100% at 15 second or so intervals.
AFAIR you are using local MailDir with tons of mail
yes but its slowly disappearing.
BACKUP? mails can not be that big compared to nowdays drives capacity
and prices
Amanda does that every night, no complaints. I don't know the message is
gone till I need to search for a senders name I know well is there as I
had an extensive conversation with him in 2002. Search finds nothing,
and instantly. Go look a that years folder, which should have 1000+
messages in it, and today there are only two msgs in that subfolder.
These seem to
be related to kmail finding trash files in its
database, causing problems while re-indexing. I have two folders
which are subfolders with a given years messages manually sorted
into that years corpus.
I recall experiencing similar with KDE3 like 12y ago. Unpleasant
situation for sure!
When I relaunch kmail after one of these crashes,
I am getting
advisories that so-and-so has an index problem, and its generally
the top level folder, and 2 or 3 of its subfolders that are
named. And the older folders are slowly being emptied, as in
messages are disappearing despite having no expiry set up.
Can anything be done, or is there something I can check-uncheck
someplace?
I don't know exactly, but I know what solved my problems was to
setup imap server between the directory structure and the client.
The server where the mails are is 4cores/32GB mem, however the
server is not very fast - I am not sure why - I suspect the disks
are not the fastest, but I do not experience any issue with mails.
I'm currently sucking, with fetchmail, from a dovecot database at my
isp, but the procmail direct deposit into the spam folder, which
gets mv'd to spam-hold for one day by the same script that has
sa-learn spam being done on that folder, moving what it has looked
at to spam-hold. Thats the only non-kmail accesses that I have
programmed. Any other incoming mail is deposited in /var/mail, and
dbus sends kmail a check local folder message for new mail by way of
inotifywait seeing the closing of the mail file and triggering the
dbus message. The
locale /var/mail/mailfile generally has a lifetime in the non-zero
length state of milliseconds.
This is very complicated process. Are you sure kmail is working
properly. Unfortunately to inspect kmail one should compile it with
Debug enabled and install the additional package. So without closer
inspection it is hard to say.
I can only advise to simplify the process. This dovecot server for
sure speaks imap to start with. So you could sync your own imap server
and let the imap server be the interface to all your mails.
Few years
ago I integrated dbmail for a customer. It is extremely
fast. Think about migrating those tons of mails.
describe that please.
http://www.dbmail.org/dokuwiki/doku.php
look at the project. AFAIR it can handle postgres or mysql. I used
mysql and it was really impressive. In few words it is an IMAP server
with database backend. Might be suitable, but also might be too much
work (see below) compared to dovecot. I found dovecot more complex,
but is widely used and with a lot of documentation and support around.
I know it
is not exactly an answer, but I can not think of any
other. As for kmail I have not looked into it in detail, but it is
complex - one has to be able to reproduce the problem to help you
find a solution.
Also are you sure nothing else is using your local Maildir? I know
you have many scripts for this and that.
procmail may, very occasionally place a particularly nasty bit of
stuff directly in the spam folder, but thats not more than a weekly
occurrence. If that often. I'll find that recipe and nuke it, just
for S&G. Or better yet, send that one to /dev/null. At least I'll
have a log entry. Right now, I think I'll go over the
/home/gene/Mail dir and nuke every sorted index just for S&G as
thats nowhere near universally present. Then I'll exit kmail as the
uptime is 29+days, and restart it.
I don't know Gene. I have the suspicion that there are two things
working on your maildir corrupting the files and I think you
overcomplicated the things.
There is a program called imapsync for example. If I were you and I
wanted to save mails locally, I would use imapsync with either dovecot
or dbmail and use the imap interface to read whatever mails I want
with kmail - tends to work pretty well for me for over 10y now.
I use two imap servers for mail with kmail - the local one and the
public one. There might be around 10000msg there at the moment - most
of them on the public server. I do not sync them locally, but I was
playing with this idea via imapsync. I used imapsync in one company
few years ago and it is very robust application.
Probably the easiest way is to let dovecot handle your Maildir (don't
forget to relocate it outside of your ~/ and let kmail forget it). I
think this is what I finally ended up doing may be 10y ago. Since then
0 problems.
I hope it helps
regards
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Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
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-Ed Howdershelt (Author)
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