Thanks you thats work great ! :)
The problem was on my new ISP box.... block many ports
I have the same problem.
I droped my ISPconfig dbispconfig db by error.... But I have dbispconfig save from 2018-02 inside /var/backup update folder :...
I follow your the good tutorial to install ISPconfig : The Perfect Server – Debian 8 Jessie (Apache2, BIND, Dovecot, ISPConfig 3) but I have...
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