I received your materials outlining your priorities for Seanad Éireann and was dismayed to learn that you advocate "online voter registration and voting".
Voting in Seanad Éireann elections is at present conducted by means of a postal ballot. Postal voting already presents a variety of serious threats to the confidentiality and integrity of the ballot. Online voting would solve none of these problems, exacerbate most of them, and introduce some new and unique problems of its own.
SSH has a handy feature called agent forwarding that allows you to log in to a remote server and use the keys loaded into your local ssh-agent as if they were on the server. Unfortunately, this useful feature has a downside: it's not safe to use on servers you don't trust. Here are some alternatives.
While you're testing email functionality on a website, you don't want to accidentally send out mails to all your (or your clients') end users! There are a few ways to prevent this. Here's the simplest one I've found so far. It allows you to redirect all outgoing email from PHP to a local user (you, for example), so that you can read it with any ordinary mail client. You can also redirect to any arbitrary external email address you own.