You are welcome Texas
The whole "OMG cheap guns for criminals" angle is pure FUD.
For now. Tech will get better, faster, cheaper, always.
still better, faster, cheaper to go buy a metal pipe at home depot and build a gun for $20
Rather than an encryption gateway, having your email client handle encryption avoids the problem of man-in-the-middle attacks between the gateway and the client.
I don't have much reason to encrypt, but Thunderbird has my certificate installed and does my digital signing. This is not unusual for a modern email client.
The sight of death frightens them [Earthers]. -- Kras the Klingon, "Friday's Child", stardate 3497.2