Server Operation

Roundcube Update from 1.5.2 to 1.6.15

invalid@example.com (onastvar) — Sat, 09 May 2026 04:05:02 +0000

After recent Roundcube Update from 1.5.2 to 1.6.15 i see the following errors in

When accessing Roundcube via https://mydomain.com/webmail/
shows error message when trying to load some email messages:
Oops... something went wrong!
An internal error has occurred. Your request cannot be processed at this time.
For administrators: Please check the application and/or server error logs for more information.

MAIL ERROR LOG
dovecot: auth-worker(25324):...

Roundcube Update from 1.5.2 to 1.6.15

weird spam false spam marking by rspamd

invalid@example.com (Cristiangd.cl) — Thu, 02 Apr 2026 14:27:56 +0000

Hello ,
I have found a weird false spam designation by rspamd:
you csn find the lgo for that message below.
As i understand, rspamd is marking is detecting "cia.ltda" as an URL. Curiously the only part where that text is found is on a pdf attachment showing a company name:
CompanyName Cia. Ltda. = CompanyName LLC. = CompanyName GmbH.
Not an URL
Nor the sender ip or url are blacklisted.
Am i interpreting this correctly?
Can youy suggest a way to avoid this problem?
Thanks

The log for the...

weird spam false spam marking by rspamd

Strange DNS attack killing syslog

invalid@example.com (brainsys) — Sat, 14 Mar 2026 16:01:16 +0000

Debian 12 ISPConfig server

My syslog started growing at a spectacular rate in the past 5 days to a point is was filling the whole server disk. This is caused by millions of these type of entries:

Code:

2026-02-12T15:41:55.044210+00:00 v1 named[270743]: client @0x7fce9a3c6498 218.78.140.194#38011 (ofi.com): query (cache) 'ofi.com/ANY/IN' denied (allow-query-cache did not match)

The IP varies so trying to firewall it out is impossible. ofi.com is a Chinese domain and this is not it's...

Strange DNS attack killing syslog

SSL certificat will need automation renewal

invalid@example.com (Daniel Rouleau) — Fri, 13 Mar 2026 22:57:47 +0000

Good day
I don't know if you saw that annoncement https://www.digicert.com/blog/tls-certificate-lifetimes-will-officially-reduce-to-47-days but i just did a certificat renewal for an other server (not ISPconfig) and it is now only good for 200 days, so I will need to manually renew twice this year, I also have multiple web site manage on ISPconfig that used manual certificat that I will need to renew, I don't use let's encryp that much because over time I have found it that it...

SSL certificat will need automation renewal

phpMyAdmin times out

invalid@example.com (SupportMyster) — Tue, 10 Mar 2026 16:49:59 +0000

Thank you for ISPConfig. Love it.
The sites on the server work but domain.tld/phpmyadmin times out regardless of domain.
I assume I have a config issue. Any and all assistance appreciated.

Ubuntu 22.04 LTS
ISPConfig 3.3.1
PHP 8.1

update-alternatives all show php8.1
ISPConfig -> System-> Config -> Web -> PHP Settings all show 8.1
ISPConfig -> System -> Config -> FastCGI shows 8.1
apt install phpmyadmin shows latest installed 4:5.1.1+dfsgl-5ubuntu1

php --ini all show 8.1
but phpinfo shows...

phpMyAdmin times out

CREATE MASTER USER IN DOVECOT FOR SYNCING IN ISPCONFIG

invalid@example.com (Jose Miguel Aracil) — Thu, 05 Mar 2026 14:41:20 +0000

Hi
I have trying to add a master user in dovecot by serveral commands as
htpasswd -c -s /etc/dovecot/master-users usermaster
or
doveadm pw -s SHA512-CRYPT -u masteradmin >> /etc/dovecot/master-users
and enabling configuring /etc/dovecot/conf.d/auth-master.conf.ext and enabling acl in dovecot.conf etc..

But when I try to sync with jose@aditted.com*usermaster , always I get Wrong username or password.

Could you help me or there anyways activate in ispconfig gui ??

Regards

rspamd marks valid mails as spam. How to avoid that?

invalid@example.com (DrMartinus) — Wed, 04 Mar 2026 06:23:06 +0000

Since I cannot use my email client to "unspam" the mails that have been marked by rspamd as spam, I would like to create a whitelist for rspamd. When I search for it, I only get instructions on how to set up a whitelist filter. This looks for different criteria, which are not fulfilled by the senders (yet the mails are legitimate). I tried to "ham" the messages using the "Scan/Learn" section in the browser UI, but that doesn't seem to work either. The problem is anyway, that the message...

rspamd marks valid mails as spam. How to avoid that?

Multiserver Two Webservers

invalid@example.com (MarvinFreeman) — Sat, 28 Feb 2026 18:00:47 +0000

We have a two server multiserver setup with two webservers. The main server has an IPv4 address with several websites on it, main.example.com. The secondary one has only an IPv6 address and one website, other.example.com. They are part of the same internal network.

I can't figure out how to configure the sites using ispconfig to have requests to other.example.com go to the webserver on other.example.com rather than main.example.com.

PGP Key error after update from Debian 12 to 13

invalid@example.com (muekno) — Sat, 28 Feb 2026 13:57:49 +0000

Signing key on 15058500A0235D97F5D10063B188E2B695BD4743 is bad: The primary key is not live because: Expired on 2026-02-04T10:25:46Z
Error: The repository 'https://packages.sury.org/php bookworm InRelease' is not signed.

Does anyone has any idea how to fix

Web quota ISPConfig

invalid@example.com (dgg96) — Tue, 24 Feb 2026 15:12:44 +0000

Hi,

I have a server with ispconfig which does not show website quotas. Database and email quotas are shown.

I have other servers where website quotas are displayed.

ISPConfig Version: 3.3.0p3

View attachment 9506

Acting as a smarthost

invalid@example.com (dan-v) — Tue, 17 Feb 2026 23:17:45 +0000

Trying to get another host to send trough ISPConfig, I have found the following recommendation in an old thread;

Acting as a smarthost

Apache Websocket for N8N

invalid@example.com (Taxi) — Mon, 09 Feb 2026 06:27:21 +0000

Hello,
I'm running n8n within a docker container. It is accessible via subdomain and reverse proxy. I placed the Apache Directive below which does the trick to access n8n via https://n8n.example.com

# Exclude ACME challenge from proxy

ProxyPass !

# Proxy everything else
ProxyPreserveHost On
ProxyPass / http://localhost:5678/
ProxyPassReverse / http://localhost:5678/

I can connect n8n to external...

Apache Websocket for N8N

MySQL replication and clusters suggestions

invalid@example.com (/dev/null/) — Mon, 02 Feb 2026 23:07:08 +0000

I been looking for solution to a bit complicated issue.
I have F(ast) server and S(low) server, both serve mysql and www.

I would like to have a (not in real time) copy of F server on my S server, in case of F downtime, the main traffic is pushed to S server, but while that is happening all edit/inserts are happening on S database, as soon as F come back to life it should sync.

I tried:
- mysql master-slave its great for small downtimes when visibility is important but writing to slave is...

MySQL replication and clusters suggestions

Move from apache2 to nginx inplace

invalid@example.com (muekno) — Sat, 31 Jan 2026 20:23:32 +0000

I hope I am in the right forum. I have a hosted (under PROXMOX) Debian 12 VM ISPConfig managed server with 500GB, half of it free.
beside mail for some users with POP and IMAP and Roundcube acccess it routes mail for some domains to other nail servers.
then there are some smaler websites and a NEXTCLOUD instance under apache2. Debian 12 and ISPconfig are on lattestes patch level.

I think about migrate from apache to nginx, Is there a secure way to do that and how?

Thanks for any help or...

Move from apache2 to nginx inplace

rspamd - proxy_backend_master_error_handler: abnormally closing connection from backend: [::1]:11333

invalid@example.com (Ming-li) — Fri, 23 Jan 2026 15:20:53 +0000

Hello,
I noticed that rspamd is full of errors:
#1702(rspamd_proxy) <1aced8>; proxy; proxy_backend_master_error_handler: abnormally closing connection from backend: [::1]:11333, error: IO write error: Connection refused, retries left: 4

If you do not want to see this error, you need to replace "localhost" with "127.0.0.1" in the rspamd configuration files, because localhost can be translated as both the IPv4 address "127.0.0.1" and the IPv6 address "::1".

Commands:
# Backup rspam...

rspamd - proxy_backend_master_error_handler: abnormally closing connection from backend: [::1]:11333

Cloud VPS MariaDB Database hacked

invalid@example.com (Sven Naujoks) — Wed, 31 Dec 2025 12:50:10 +0000

Hello All,
On the 17th December my MariaDB Database on my AlmaLinux, VERSION="9.7 (Moss Jungle Cat) has been removed.
The culprit left the following message inside the Database as a entry:

Dear Sir/Madam, We hope this message finds you well. We would like to let you know that we created a backup of your databases/tables (we keep them for 60 days and then permanently delete them). We offer you our recover service: if you want to recover your corrupted or incomplete databases/tables, simply...

Cloud VPS MariaDB Database hacked

fatal: proxymap service is not configured for table "mysql:/etc/postfix/mysql-virtual_sender.cf"

invalid@example.com (spazio) — Mon, 08 Dec 2025 11:19:05 +0000

I have a recurrent fatal error un the log file
I have search a bit on this but all the post are for a misconfigured new installation and this server is working for a couple of years without any problem.
This is a debian server with postfix and ispconfig

Here is the mail.log lines

Code:

Mar 19 11:13:43 server postfix/submission/smtpd[10691]: fatal: proxymap service is not configured for table "mysql:/etc/postfix/mysql-virtual_sender.cf"
Mar 19 11:13:44 server postfix/master[8320]: warning:...

fatal: proxymap service is not configured for table "mysql:/etc/postfix/mysql-virtual_sender.cf"

Sender dependent relay with AND without authentication

invalid@example.com (remkoh) — Mon, 08 Dec 2025 09:12:35 +0000

I have a postfix server that receives mail (authenticated) from several sources (scan-to-mail, apps and more) and based on sender address domainname relays that mail to several other servers (that handle the mailboxes of those domains).
For the reason to let the mail there be dkim signed before it being send to the recipient's server if not delivered locally.

One of those servers (Grommunio) only dkim signs authenticated mail for whatever reason.
If tried changing its config to sign relayed...

Sender dependent relay with AND without authentication

[SOLVED] Switching to PHP 8.3 increases CPU usage a lot!

invalid@example.com (razor7) — Wed, 26 Nov 2025 22:24:16 +0000

Hi!

I have a website in joomla 5.4.1, if I switch php to 8.3 (8.3.28) the server goes crazy, see attachment, but if I downgrade to php 8.2 the very same site works just fine. Also If I don't switch but just restart the apache server, the load normalizes.

I don't know even where to start, maybe a ¿wrong php config?

Ubuntu server 24.04.3 LTS (Noble Numbat)) ISPConfig 3.3.0p3

PHP packages installed through apt using ondrej php ppa repo

Thanks in advise!

Running out of inodes

invalid@example.com (kaostc) — Tue, 25 Nov 2025 11:43:06 +0000

I have a problem on a debian server, I have runing out of inodes.
I have run the command:
du --inodes -d 3 / | sort -n | tail
It takes a lot, I am waiting for results.
Any other action I can perform meanwhile? Other checks?
Thanks a lot.