How can I send an email to all clients/mailboxes on server at same time?

 

you must send only to all receiver addresses.you can generate the addresses over mysql.

or write a php prog. it is simple to program and also well to learn of php and mysql. if you are finished can you that publish.

 

Is there a way to do it under Plesk? I am trying to learn the Plesk software and their FAQ pages and how to's are not to clear. I know you can make up groups but once you make up groups how do you send mail to the group?

 

just mail to the name of the group