private void authExternal() throws MessagingException {
try {
executeSimpleCommand(String.format("AUTH EXTERNAL %s", Base64.encode(mUsername)), false);
} catch (Pop3ErrorResponse e) {
/*
* Provide notification to the user of a problem authenticating
* using client certificates. We don't use an
* AuthenticationFailedException because that would trigger a
* "Username or password incorrect" notification in
* AccountSetupCheckSettings.
*/
throw new CertificateValidationException(
"POP3 client certificate authentication failed: " + e.getMessage(), e);
}
}
