How do I setup all subdomains *.domain.tld to point to a domain domain.tld? | wildcard dns in plesk

For that purpose you should add an entry into domain’s zone DNSĀ  like:

How do i send emails from my Web Application ? (.NET & ASP)

here you can find various ways of sending emails with .NET 2 / .Net 1 CDONTS / Persist’s AspEmail / VB / PHP etc

How do I mount /tmp partition with ‘noexec’ option.

It is recommended to create /tmp as separate partition and mount it with ‘noexec’ and ‘nosuid’ options.

How do I change the address Qmail (MAILER-DAEMON@hostname.tld) sends error messages to.

As By default Plesk administrator’s email address is listed in: