AUTH

UTL_SMTP.AUTH (
   c          IN OUT NOCOPY connection,
   username   IN            VARCHAR2,
   password   IN            VARCHAR2,
   schemes    IN            VARCHAR2 DEFAULT NON_CLEARTEXT_PASSWORD_SCHEMES)
 RETURN reply;

UTL_SMTP.AUTH (
   c          IN OUT NOCOPY connection,
   username   IN            VARCHAR2,
   password   IN            VARCHAR2,
   schemes    IN            VARCHAR2 DEFAULT NON_CLEARTEXT_PASSWORD_SCHEMES);