Subject does most of the work here, but I'll expand. [edit] Maybe if I had just RTFM'd harder I would've found my answers... I think this will help, but leaving the post up in case anybody else has ...

gpg-mailgate is a small content filter for Postfix + web interface that allows any user to upload PGP keys to your server (and confirm email address), and then will begin encrypting any outgoing mail ...

In the past, many SMBs were content to let their Internet Service Providers (ISPs) handle e-mail services. But now they're interested in running mail servers onsite, due to the widespread adoption of ...

To an organization, e-mail is arguably the most important Internet service. It cuts down the costs and hassle of communicating with people around the world. But if you want more flexibility and ...