I also had a problem with this error -- and it had a REALLY odd cause:
I was logging in from a site that had a load-balancing dual-wan
router... so qmailadmin thought I was logging in from 2 separate IP
addresses.
I fixed it in this case by using an SSL connection
(https://mydomain.com/qmailadmin). This prevented the load-balancing
router from load-balancing my connection to the qmail server.
Not likely your problem (Jake's answer is MUCH more likely), but thought
I'd throw the information out there... just in case!
I hope this helps... someone!
Dan
Daniel McAllister, President
IT4SOHO, LLC
224 - 13th Avenue N
St. Petersburg, FL 33701
877-IT4SOHO: Toll Free
727-647-7646 In Pinellas
813-464-2093 In Hillsborough
727-507-9435 Fax Only
"When did you do your last backup?"
Ask me about unattended offsite backup solutions...
to protect your business, not just your data!
Jake Vickers wrote:
Helmut Fritz wrote:
nobody huh? :(
-----Original Message-----
From: Helmut Fritz [mailto:[EMAIL PROTECTED] Sent: Sunday,
May 18, 2008 10:25 AM
To: 'qmailtoaster-list@qmailtoaster.com'
Subject: Weird issue with qmailadmin
Recently (the last 3 or 4 months) I have been getting a weird error when
attempting operations via qmailadmin. I can log in as postmaster
fine, but
when I try an operation is get this text across the top of the window.
"Only one person can log in as system postmaster at one time. Someone
else
has logged in. Please only have one login at a time."
I then get dumped back to the log in window and log in as postmaster
again
and try the same operation again. This does not occur 100% of the time,
probably 75%. If I am persistent, I get it to work. I recently did an
upgrade via QTP-newmodel, but has this error before the upgrade as
well. It
did work when I first set the machine up, but after a few months of
running
I started getting this error (I only need to make changes
infrequently). My
domains all get created with vadddomain nowadays. The initial
domains were
created with admin-toaster. I get the error with orignal domains and
new
domains.
I found an error in the apache error log that may be related due to
the time
of errors (although not sure).
"PHP Notice: Use of undefined constant r - assumed 'r' in
/usr/share/toaster/include/admin.inc.php on line 137"
There are also other errors that seem to be related to a successful
qmailadmin operation, probably for a separate thread sometime.
That error is okay to ignore. It happens everytime someone logs in
using postmaster.
I've seen this before, but only for 1 of 2 reasons:
someone is already logged into qmailadmin as the postmaster (did you
use a strong password? In the case I was called in to investigate they
had set the password as "password" and someone had "hacked" (it was so
simply done and for such a STUPID reason I hate to even call it
hacking) into their account and was creating email accounts for
themselves)
Using the postmaster account in an IMAP client will also generate this
error in another case I've seen. Does someone monitor the postmaster
account (sometimes set as a catch-all) and uses IMAP?
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