On my new mail servers running Debian 13 and ISPC 3.3.1p1, using the automated installer I get rspamd and postgrey installed. From what I...
Hi all, I want to configure a relayhost for sending mails to Microsoft. Unfortunately, Microsoft set a rate limit to our server and is not willing...
some weeks ago I was talking in this forum about a probably unexpected behavior in ISPC 3.3.1, at least in comparison, against older versions,...
Hello, I have been using ISPConfig for a while now and am quite happy with what we can do with it! I try to always make all required changes...
Hi all, I'm running ISPConfig 3.3.1 with Postfix, Dovecot, and RSpamd on Ubuntu 24. Currently I have the following setup working: - RSpamd...
Over the past few weeks I've been hardening rspamd on an ISPConfig 3.3.x server managing 38 mail domains and discovered three separate security...
It appears that Microsoft has deprecated the current password-protected scheme to authenticate legitimate emails. As a result, any email sent...
Hi everyone, I've been running ISPConfig 3.3.0p3 with 38 mail domains on a single server and ran into the well-known issue where all mail clients...
Now that acme has changed it's default certs to use ECC (Elliptic Curve Cryptography) Certificates how do we update older ispconfig servers all to...
Just learnt about this today. I am late in the game because the config was there long time ago. Allow only root to send email by command line....
TLDR: Is it possible to configure a domain to have RSA certificates? ECC certificates cause problems for older mail servers, and we cannot receive...
I have a postfix server that receives mail (authenticated) from several sources (scan-to-mail, apps and more) and based on sender address...
Not sure if feature or bug, but pretty annoying: create customised postfix main.cf lines in...
I'm in need of a sender dependent relayhost. The config is there in postfix, the fields are there in the mail_domain table, but I have no way to...
Any postfix/altermime experts out there? I've got altermime installed on my postfix server and have it setting a disclaimer on all emails. Its...
Hi, is the postfix master.cf file generally upgrade safe? I couldn't find a template file for it, but need to define a separate service port.
Hi there. I need end up with a cert whose CN is different than the hostname of the server (default from the installation). I'm familiar with doing...
Hi. I would like to modify the postfix configuration so that I don't have to tweak it after every update. I saw that there is an option to add...
Hello all, I'm trying to get postfix to forward non-local email. I'm trying to use it as a smart host. I'm running ispconfig 3.2.12p1 on Bookworm....
Hi We're currently suffering from what may be a sort of DoS attack, where bad actors are sending emails with one of our user's email address in...
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