[mail-crypt-plugin] How to decrypt mailbox?

[emordin via dovecot]

Hi,

So I am able to encrypt email using the crypt plugin, but when I try to access 
the email by logging in thru mutt or roundcube the email is still encrypted.
Is the decryption process automatic or do I have to create a custom program 
with the decrypt.rb code?

Thanks.

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