This patch applies to the MH 6.7 version of slocal.c
Index: slocal.c
***************
*** 148,153 ****
--- 148,155 ----
      NULL
  };
  
+ static char *rcvstore;
+ 
  /*  */
  
  extern char **environ;
***************
*** 265,270 ****
--- 267,274 ----
  
  /*  */
  
+     rcvstore = getcpy(libpath("rcvstore"));
+ 
      if (addr == NULL)
  	addr = getusr ();
      if (user == NULL)
***************
*** 501,507 ****
--- 505,527 ----
  		status = usr_pipe (fd, tmpbuf, "/bin/sh", vec + 2);
  		break;
  
+ 	    case '+':
+ 	    dofolder:
+ 		if (*string == '+')
+ 		    strcpy(tmpbuf, string);
+ 		else
+ 		    sprintf(tmpbuf, "+%s", string);
+ 		vec[2] = "rcvstore";
+ 		vec[3] = tmpbuf;
+ 		vec[4] = NULL;
+ 		if (verbose)
+ 		    printf("rcvstore %s", vec[3]);
+ 		status = usr_pipe(fd, "rcvstore", rcvstore, vec + 2);
+ 		break;
+ 
  	    case 'f': 
+ 		if (uleq(action, "folder"))
+ 		    goto dofolder;
  		if (!uleq (action, "file"))
  		    continue;	/* else fall */
  	    case '>':