The following settings are available.
Default to send encrypted when composing e-mail
Defines whether a new E-Mail is encrypted with PGP by default.
Default adding signature to outgoing e-mail messages
Defines whether a new E-Mail is encrypted with PGP by default.
Enable advanced PGP features
Defines whether PGP features, like key management are displayed.
Default to using PGP inline for new e-mail messages
To show this setting, enable the checkbox Enable Advanced PGP Features. Defines whether the PGP encryption is done inline. Only use those settings if the e-mail client of a recipient does not support PGP, the message should be readable though. If you use this setting, you cannot send e-mail messages in HTML format.