Lately, I've been running my MUA with e-mail configured to encrypt
e-mail by default.

This has the side-effect that whenever I want to e-mail somebody who
does not have a PGP/GPG key, or has not given me his/her key, I have to
go nag them. Otherwise, I have to keep unticking the "Encrypt Message"
box, or make an exception in my configuration specifically for that
particular person (or mail list, as the case may be).

It also means that, since I'm basically forcing people to get into the
habit of reading encrypted messages, more people will have their e-mail
client configured correctly and are more likely to also send encrypted
e-mail (or at least help make it socially acceptable).

Since running with this setup, I haven't really had many complaints.
After all, if somebody didn't want to receive encrypted e-mail they
simply won't have a public key for me to encrypt a message with. I have
discovered that some people are quite happy to try using GPG encryption
regularly, but have never had a strong motivation to do so (possibly due
to not knowing anyone else who might be interested), and also may not
have participated in any key-signing, which would perhaps lessen its
usefulness.

The only complaint I've heard of so far has come from people who
(perhaps not exclusively) use the GMail web interface, who apparently
can still use GPG in text fields with browser extensions, but lose the
ability to search through existing encrypted email. I don't actually
feel too bad about this (see below), but am not sure what the correct
response to this problem is (given that the people in question seem big
Google fans and are generally reluctant to give it up).

On the flip side, I'm conscious that Google could very well be (and
probably is) building up a profile on me, even without owning a Google
account. If I'm exchanging unencrypted e-mails with enough people who
use GMail or Google Apps (without GPG encryption), it would not make
much difference who controls my e-mail server. I'm also conscious that
it's absolutely not in Google's best interests to support GPG, or any
other type of encryption that they cannot decrypt - official GPG support
from Google for any e-mail interfaces it provides will not be forthcoming.

Since I imagine a lot of people interested in free software would also
be big on privacy, I would like to know what other people here think of
the idea of leaving GPG encryption on by default. Does anyone practise
it? Is there any good reason why we shouldn't?

-Adam

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