I installed Carbonio CE 25.0, and it work.
Recently, it stopped delivering emails; emails stuck in Queue and not delivered to destination, not locally on server, not to external servers (such as Gmail).
With command:
/opt/zextras/common/sbin/postqueue -p
yield error:
(connect to 127.0.0.1[127.0.0.1]:10024: Connection refused)
or:
(delivery temporarily suspended: connect to 127.0.0.1[127.0.0.1]:10024: Connection refused)
How to fix it?
@salah
Let us know some more details:
- What OS you are using?
- Status of following commands: systemctl list-units carbonio*
- Any possible log on /var/log/carbonio.log
OS : ubuntu 24.04
Carbonio CE : 25.0
I solved problem by:
1- reboot server
2- started some carbonio services manually after reboot
3- modified cloud.ini configuration file to not restore defaults on /etc/hosts file after reboot
4- added server public IP address and FQDN to /etc/hosts file
then normal email service restored.
I don't understand what caused service blocking at first, because it happened suddenly ?
/etc/hosts is a very critical configuration in Carbonio CE scenario. When /etc/hosts loses the FQDN to IP mapping, Amavis (like many other sysrtem components) fails to resolve its own hostname at startup (it reads $myhostname which depends on proper FQDN resolution). And With Amavis down, Postfix cannot deliver to 27.0.0.1:10024, so all mail queues up.
As you have resolved the issue, for future I would suggest you to disable cloud-init's /etc/hosts management. It would avoid unnecessary issues after each reboot.
I did.
The server is a cloud server, and I excluded /etc/hosts file from cloud.ini service intervention.
But what I want to understand what caused email accounts to become in-accessable in first place, that it happened suddenly.
users were able to reach login page online, but suddenly cannot login their credentials on.
Is there a log file to check to get clue what happened?
Try looking at following logs:
/opt/zextras/log/mailbox.log
/opt/zextras/log/nginx.error.log (upstream issues),