Re: having problems installing software with aptitude
Hello and welcome to both the forums and Ubuntu/Linux in general.
Could you tell us why you are trying to install sendmail? Unless your circumstances are non-standard, you don't need this app. Mail clients like Thunderbird, Evolution and Sylpheed can be configured to sync with your email provider and send through their smtp or imap server.
Newb: How far must I jump to clear the ledge halfway down?
Guru: It's bad to jump off cliffs. Let's look at better options.
Newb: Stop harping about "best practices" and just tell me.