extern BOOL deliver_firsttime; /* True for first delivery attempt */
extern BOOL deliver_force; /* TRUE if delivery was forced */
extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
-extern int deliver_frozen_at; /* Time of freezing */
+extern time_t deliver_frozen_at; /* Time of freezing */
extern uschar *deliver_home; /* Home directory for pipes */
extern uschar *deliver_host; /* (First) host for routed local deliveries */
/* Remote host for filter */