Auth timeout used for SO_RECVTIMEO in ssl.c which has a max of
USHRT_MAX hz otherwise it fails with EDOM.

--- perdition/options.h.orig	Fri Oct  4 03:44:12 2013
+++ perdition/options.h	Fri Jul 17 15:22:50 2015
@@ -128,7 +128,7 @@
 #define DEFAULT_IMAP_CAPABILITY              "IMAP4 IMAP4REV1"
 #define DEFAULT_INETD_MODE                   0
 #define DEFAULT_MAP_LIB                      PERDITION_LIBDIR \
-			                     "/libperditiondb_gdbm.so.0"
+			                     "/libperditiondb_bdb.so.0"
 #define DEFAULT_LOG_FACILITY                 "mail"
 #define DEFAULT_LOGIN_DISABLED               0
 #define DEFAULT_LOWER_CASE                   STATE_NONE
@@ -145,7 +145,7 @@
 #define DEFAULT_STRIP_DOMAIN                 STATE_NONE
 #define DEFAULT_SERVER_RESP_LINE             0
 #define DEFAULT_TIMEOUT                      1800 /*in seconds*/
-#define DEFAULT_AUTHENTICATE_TIMEOUT         DEFAULT_TIMEOUT
+#define DEFAULT_AUTHENTICATE_TIMEOUT         60 /*in seconds*/
 #ifdef WITH_USER
 #define DEFAULT_USERNAME                     WITH_USER
 #else