Just ran into this too, adding a new server to an existing cluster. All versions matched. So to make the instructions completely clear, add the...
I agree, as I mentioned at the start of my first message, I don't think this is ISPConfig's fault as it only occurred when updating the OS....
I don't think this is ISPConfig's fault, but something has changed in AlmaLinux 8.7 (and presumably other RHEL clones like Rocky Linux, Oracle...
A heads up for anyone else interested in recipient_delimiters, you must also specify it in /etc/amavisd/amavisd.conf otherwise amavisd will not...
Thanks for the reply, I changed my copy of that file to this: query = SELECT email FROM mail_user WHERE email = '%s' AND forward_in_lda = 'n' AND...
We also have the same problem - when we uncheck the box "Enable receiving" it also disables sending. Setting "smtpd_reject_unlisted_sender = no"...
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