On 04/06/2014 10:32 PM, Chris Boyd wrote:
Recently was handed keys to a qmail toaster installation (1.03-1.3.20, on
Centos4) and got hammered by a backscatter spam attack. Digging around, I
discovered the system had been installed without the Chkuser feature.
I followed the procedures at http://wiki.qmailtoaster.com/index.php/Chkuser with no
apparent issues. Today I find out that user email is bouncing (that is, it's accepted by
the qmailtoaster, and then a second message is generated) with the error message
"Sorry, no mailbox here by that name. (#5.1.1)"
Note - Chkuser is functioning correctly - invalid email addresses are rejected
during the SMTP transaction with (reason: 511 sorry, no mailbox here by that
name (#5.1.1 - chkuser))
So, it looks like something in the local delivery mechanism is broken. Not
that familiar with qmail, so I start looking for config files that control
local delivery. /var/qmail/control/defaultdelivery seems like a good choice,
since the rpm command apparently modified it to contain
./Maildir/
and we're trying to deliver to multiple domains in /var/vpopmail/domains. No
sane looking value that I can think of to put in that file seems to work. None
of the other .qmail files that exist seem to have been updated when I
recompiled to enable Chkuser.
Any suggestions appreciated.
--Chris
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Wow, COS4. That's pretty old. :(
What are all your QMT packages?
# rpm -qa | grep toaster | sort
I don't know how you'd have a qmail-toaster package w/out the chkuser
feature. What's in your /etc/tcprules.d/tcp.smtp file?
Just for yuks, what's in your /var/qmail/supervise/smtp/run file?
--
-Eric 'shubes'
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