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On Mon, 22 Feb 2016, micah wrote:
Using doveadm copy is an interesting solution because of the
hardlinking. I wonder how fast it is, because almost every time I use
the -A flag, the iterations over 100k users takes a long time.
We email the 'bulletin' to all of our users, everyone gets a copy, that
way an admin doesn't need to do it, but it does mean that we duplicate
the data quite a lot.
hmm, I do have some sort of Bulletin (approx. one message per year) that I
deliver per script to Maildir:
1. I sent the message to myself
2. discover it in my mail spool
3. cd /mailspool ; ls -U | while read u; do
if test -d "$u/Maildir/new"; then
ln /mailspool/myself/Maildir/new/message "$u/Maildir/new"
fi
done
Steps 1 and 2 can be simulated easily or combined with a mailbox, that
fires a script for new arrivals. Of course, this script depends on your
local situation.
Kevin Kershner <cstke...@outlook.com> writes:
It also got the bulletin out to new users without admin intervention.
Sent from Mobile
________________________________
From: Doug Hardie<mailto:bc...@lafn.org>
Sent: 2/22/2016 4:02
To: Dovecot Mailing List<mailto:dovecot@dovecot.org>; Timo
Sirainen<mailto:t...@iki.fi>
Cc: Kevin Kershner<mailto:cstke...@outlook.com>
Subject: Re: Dovecot Bulletin
On 20 February 2016, at 18:14, Timo Sirainen <t...@iki.fi> wrote:
On 21 Feb 2016, at 02:50, Kevin Kershner <cstke...@outlook.com> wrote:
I'd like to revisit and old post if I may, will/does Dovecot support the old
qpopper "Bulletin" ability?
Basically I need a simple way of posting bulletins to all domain users.
Qpopper maintained a bulletin db for each user and sent them the next
bulletin in sequence.
I guess there could be a plugin that does this check on each login. But would
it actually be useful? Why would it be better than simply sending the mail to
all the users? For example:
doveadm save -A < bulletin.txt
The reasons for bulletins as I see it are:
1. The doveadm save command is undocumented. It does show a cryptic line in the output
of the command "doveadm". However, it doesn't give any clue what it does or
how to provide the message. Your note above provides considerably more information on
that command. I tested it and it works as you have indicated though.
2. The doveadm save command causes the email to be saved in each user's
mailbox. If you have a lot of users, thats a lot of wasted disk space.
Qpopper's bulletins only kept one copy and every user downloaded from that
copy. All that was retained per user was a counter of the last bulletin's
sequence number that was downloaded.
— Doug
- --
Steffen Kaiser
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