@Teleman thanks for the answerd i stay to my original post thats i remove it sorry for the confuzed :) first time to asking for help in forums sorry
thanks for the answerd i know that is not ispconfig problem. i resolve my issue with domain example1.com i just remove "." at the end of hostname...
Greetings i have follow the perfect server debian 9 stretch which is working perfect in raspberry pi my server is server.example.com (FQDN) and...
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