let pass emails encrypted to a not known key
If an email is encrypted to a private key that bitmask don't know about it should let it pass as it is. Right now is failing:
[2016-04-01 13:20:57] ERROR - L#729 : leap.keymanager.openpgp:decrypt - Failed to decrypt: Failed to encrypt/decrypt: [GNUPG:] ENC_TO xxxxxx 1 0 [GNUPG:] ENC_TO xxxxxxx 1 0 gpg: encrypted with 2048-bit RSA key, ID xxxxxx, created 2014-06-18 "" [GNUPG:] NO_SECKEY xxxxxxx gpg: encrypted with RSA key, ID xxxxx [GNUPG:] NO_SECKEY xxxxxxx [GNUPG:] BEGIN_DECRYPTION [GNUPG:] DECRYPTION_FAILED gpg: decryption failed: secret key not available [GNUPG:] END_DECRYPTION . [2016-04-01 13:20:57] WARNING - L#628 : leap.mail.incoming.service:_decryption_error - Failed to decrypt encrypted message (Failed to encrypt/decrypt: [GNUPG:] ENC_TO xxxxxxxx 1 0 [GNUPG:] ENC_TO xxxxxxxxx 1 0 gpg: encrypted with 2048-bit RSA key, ID xxxxx, created 2014-06-18 "" [GNUPG:] NO_SECKEY xxxxx gpg: encrypted with RSA key, ID xxxxx [GNUPG:] NO_SECKEY xxxxxxxx [GNUPG:] BEGIN_DECRYPTION [GNUPG:] DECRYPTION_FAILED gpg: decryption failed: secret key not available [GNUPG:] END_DECRYPTION ). Storing message without modifications.
(from redmine: created on 2016-04-08)