Still guessing blindly:
Does the mail host have two IP-numbers and uses the not public IP for sending mails?
Are you managing name service using ISPConfig or manually?
If you really use ISPConfig unstable version, my guess is there is a bug.
Aliasdomain for website should do just that. How have you done it now and how have you determined it does not work?
Are you sure the name service intormation in public name servers is correct? If you only checked info on your own name servers, they may show...
Debian GNU/Linux 9.5, ISPConfig 3.1.11.
I noticed from Tiger auditing report that pure-ftpd is running as web user, not as root. And indeed:
What does this command show:
grep myhostname /etc/postfix/main.cf
but what is not working and in what way is it not working?
Using Internet Search engines with
I found Serverfault article. Reading...
If you want to know what is "best", you need to define the criteria for evaluating bestness. Do you want fast, robust, cheap, easy to set up, and...
There is a tutorial on setting up DNS name service:
I forgot to say, restart pure-ftpd.
How do you know that arrival time is not correct? I have deferred mails in mail queue that are several days old. Read that mail to see when it has...
That address does not answer to ping. Is the computer shut down? Or pulled from the network?
Anyway, this forum is for ISPConfig users. If you use...
Restore from backup the file you altered.
Or if you still have it in editor, UNDO changes to get the original back.
Or maybe editor saved the...
What output do you get from the following command:
date ; date --utc ; cat /etc/timezone ; tail -n 5 /var/log/mail.log
Separate names with a comma.