Hey there, I have installed ISPconfig following the perfect server debian (apache) and all works fine except for 1 thing. But first, this is where i am : I take my domains names at internetbs.net (with .com and .fr extensions), and for every DN i change the DNS settings with the nameservers of my server (sd-xxxxxx.dedibox.fr as primary and nssec.online.net as dnssec, 'cause my server is hosted at dedibox/scaleway). This works for .com extensions but not with .fr extensions (as, according to me, sd-xxxxxx.dedibox.fr doesn't really exist, sd-xxxxxxx being the name given to my server). For .com extensions eveything's OK, websites and mails. For .fr extensions, as i'm not able to change nameservers, i have to add A record in the DNS settings putting the IP address manually. Websites with .fr added this way work, even with the SSL with let's encrypt. I also can create mailboxes, working with the webmail (roundcube) but i can't make it work with outlook or any other application. With my phone, when I try to add the account I have an SSL error "unvalid certificate". Does someone know how I can make it work ? Or any leads to have the right settings ? I'm totally lost. Thx and feel free to ask for any further informations. tonytroy.