* on the Mon, Feb 16, 2015 at 03:50:24PM +0000, Viktor Dukhovni wrote:

> On Mon, Feb 16, 2015 at 12:57:26PM +0000, Mike Cardwell wrote:

>> On an old Exim box, I used to do something similar to this with the following
>> two line bit of config:
>> 
>> deny condition = ${if !match{$message_body}{-----BEGIN PGP MESSAGE-----}}
>>      message   = Unencrypted message. Encrypt then retry.

> Did Randall get the idea from you?
> https://www.xkcd.com/1181/

Heh. Well, the check was really there as a last resort to stop me from sending
email to certain people who I know use encryption, without encrypting first. I
realise it's not perfect, but it was very effective. One of the few things
that I've not re-implemented since migrating to Postfix.

-- 
Mike Cardwell  https://grepular.com https://emailprivacytester.com
OpenPGP Key    35BC AF1D 3AA2 1F84 3DC3   B0CF 70A5 F512 0018 461F
XMPP OTR Key   8924 B06A 7917 AAF3 DBB1   BF1B 295C 3C78 3EF1 46B4

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