diff --git a/appl/popper/popper.h b/appl/popper/popper.h
index d78e7e168..2cff80b68 100644
--- a/appl/popper/popper.h
+++ b/appl/popper/popper.h
@@ -175,6 +175,7 @@ extern int              hangup;
 
 #define AUTH_NONE 0
 #define AUTH_OTP  1
+#define AUTH_SASL 2
 
 #define pop_command         pop_parm[0]     /*  POP command is first token */
 #define pop_subcommand      pop_parm[1]     /*  POP XTND subcommand is the 
@@ -274,7 +275,7 @@ typedef struct  {                               /*  POP parameter block */
     OtpContext		otp_ctx;		/*  OTP context */
 #endif
     unsigned int	flags;
-#define POP_FLAG_CAPA 1
+#define POP_FLAG_CAPA	1
 } POP;
 
 typedef struct {                                /*  State information for 
@@ -330,6 +331,10 @@ int pop_xdele(POP *p);
 int pop_help(POP *p);
 state_table *pop_get_command(POP *p, char *mp);
 void pop_lower(char *buf);
+#ifdef SASL
+int pop_auth (POP *p);
+void pop_capa_sasl(POP *p);
+#endif
 
 int pop_log(POP *p, int stat, char *format, ...)
 #ifdef __GNUC__