ovh
Bare metal
remove DHCP
Network interface losts its routing, and server is unreachable.
/etc/network/interfaces.d/50-cloud-init
auto eno1
iface eno1 inet static
address 50.51.52.53/24
gateway 50.51.52.254
accept_ra 0
Web cloud
redirect to https
.htaccess
RewriteEngine On
RewriteCond %{ENV:HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
SPA with path routing
Pro
IMAP: pro1.mail.ovh.net SSL/TLS 993
SMTP: pro1.mail.ovh.net STARTTLS 587
MX plan
IMAP: ssl0.ovh.net SSL/TLS 993
SMTP: ssl0.ovh.net SSL/TLS 465