Served by apache behind HAProxy loadbalancer.
Your homepage will be at https://smokepit.net/~username/, and it will reside in a directory in your homedir named "public_html".
Webmail is handled by RainLoop.
Mail is handled by Exim4, checked for spam by spamassassin and checked for viruses by clamav. Outgoing mails are signed with SPF and DKIM.
ssh logins and file transfers are handled by OpenSSH.